VIRBAC CORP
10-Q, 1999-05-17
PHARMACEUTICAL PREPARATIONS
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                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


Quarterly report pursuant to Section 13 or 15(d) of the Securities  Exchange Act
of 1934.

For the quarterly period ended March 31, 1999

Commission File Number: 0-24312



                               VIRBAC CORPORATION
                     (formerly Agri-Nutrition Group Limited)


State of Incorporation:  Delaware                I.R.S. Employer I.D. 43-1648680

                             3200 Meacham Boulevard
                               Ft. Worth, TX 76137
                                 (817) 831-5030




Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding twelve months (or for such shorter periods that the registrant was
required  to file  such  reports),  and  (2) has  been  subject  to such  filing
requirements for the past ninety days.

                             Yes           X                  No  



The number of shares of common stock  outstanding  at May 14, 1999 is 20,975,747
shares.


<PAGE>



VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)


Index
- --------------------------------------------------------------------------------




                                                                       Page


Financial information

Financial Statements

     Consolidated Balance Sheet -
      December 31, 1998 and
      March 31, 1999 (unaudited)                                         1

     Consolidated Statement of Operations -
      three months ended March 31, 1998
      and 1999 (unaudited)                                               2

     Consolidated Statement of Cash Flows -
      three months ended March  31, 1998
      and 1999 (unaudited)                                               3

     Consolidated Statement of Shareholders' Equity -
      three months ended March 31, 1999
      (unaudited)                                                        5

     Notes to Consolidated Financial Statements                          6

Management's Discussion and Analysis of Financial
 Condition and Results of Operations                                    11


Other information

Item 6.    Exhibits and Reports on Form 8-K                             16

Signature                                                               16



<PAGE>



VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Consolidated Balance Sheet
Page 1
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>


                                                                             December 31,           March 31,
                                                                                 1998                 1999
                                                                                                   (unaudited)
<S>                                                                        <C>                 <C>
Assets
Current assets:
   Cash and cash equivalents                                               $        412,378    $             --
   Accounts receivable                                                            1,230,361            7,279,905
   Accounts receivable - Parent                                                      91,212                6,153
   Inventories                                                                    3,355,504           11,323,520
   Prepaid expenses and other assets                                                845,840              763,868
                                                                           ----------------    -----------------
                                                                                  5,935,295           19,373,446

Property, plant and equipment, net                                                4,904,520           13,180,781
Goodwill                                                                          1,464,058            6,798,663
Other assets                                                                        376,778            1,011,105
                                                                           ----------------    -----------------
   Total Assets                                                            $     12,680,651    $      40,363,995
                                                                           ================    =================

Liabilities and Shareholders' Equity
Current liabilities:
   Current portion of long-term debt and notes
    payable (see Note 4)                                                  $       3,200,000    $         868,403
   Advance from Parent (see Note 1)                                               2,000,000                  --
   Accounts payable
      Trade                                                                         503,724            3,691,598
      Parent                                                                        262,487              998,888
   Accrued expenses                                                                 823,740            1,960,767
                                                                           ----------------    -----------------
                                                                                  6,789,951            7,519,656

Long-term debt and notes payable (see Note 4)                                     4,000,000            3,449,144

Commitments and contingencies (see Note 6)

Shareholders' equity:
   Common stock ($.01 par value; 38,000,000 shares
      authorized; 12,580,918 and 21,975,747 issued
      and outstanding, respectively) (see Note 5)                                   125,809              219,757
   Additional paid-in capital (see Note 5)                                        8,284,453           35,682,986
   Accumulated deficit                                                           (6,519,562)          (6,507,548)
                                                                           ----------------    -----------------
                                                                                  1,890,700           29,395,195
                                                                           ----------------    -----------------

   Total Liabilities and Shareholders' Equity                              $     12,680,651    $      40,363,995
                                                                           ================    =================
</TABLE>

                   The accompanying notes are an integral part
              of these unaudited consolidated financial statements.


<PAGE>





VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Consolidated Statement of Operations (unaudited)
Page 2
- --------------------------------------------------------------------------------


<TABLE>
<CAPTION>

                                                                                   For the three months
                                                                                      ended March 31,
                                                                                 1998                 1999

<S>                                                                       <C>                  <C>
Net revenues                                                               $    4,342,266       $   7,719,983
Cost of goods sold                                                              1,621,887           3,829,869
                                                                           --------------       -------------

Gross profit                                                                    2,720,379           3,890,114
                                                                           --------------       -------------
Operating expenses:
   Selling, general and administrative                                          2,389,638           3,103,998
   Research and development                                                       267,525             215,503
   Warehouse and distribution                                                     322,842             453,740

Income (loss) from operations                                                    (259,626)            116,873
Interest expense                                                                 (141,195)           (116,644)
Other income (expense)                                                             46,950              11,785
                                                                           --------------       -------------
Income (loss) before income tax benefit                                          (353,871)             12,014
Income tax expense (benefit)                                                           --                  --
                                                                           --------------       -------------
Net income (loss)                                                          $     (353,871)      $      12,014
                                                                           ==============       =============

Basic income (loss) per share                                              $         (.03)      $          --
                                                                           ==============       =============

Diluted income (loss) per share                                            $         (.03)      $          --
                                                                           ==============       =============

Basic shares outstanding                                                       12,580,918          15,295,064
                                                                           ==============       =============

Diluted shares outstanding                                                     12,580,918          15,295,064
                                                                           ==============       =============
</TABLE>


                   The accompanying notes are an integral part
              of these unaudited consolidated financial statements.


<PAGE>



VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Consolidated Statement of Cash Flows (unaudited)
Page 3
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>

                                                                                   For the three months
                                                                                      ended March 31,
                                                                                 1998                 1999
<S>                                                                        <C>                 <C>
Operating activities
Net income (loss) from continuing operations                               $       (353,871)   $          12,014
Adjustments to reconcile net income (loss) to net
 cash used in operating activities:-
   Depreciation and amortization                                                    179,382              238,858
   Changes in operating assets and liabilities, net of the
    effect of purchasing Agri-Nutrition Group Limited:
      Increase in accounts receivable                                            (2,062,888)          (1,625,782)
      (Increase) decrease in inventories                                            390,852              (97,416)
      (Increase) decrease in prepaid expenses and other                             (30,045)             363,982
      Increase (decrease) in accounts payable                                      (245,340)             355,689
      Increase in accrued expense                                                   191,728               30,014
                                                                           ----------------    -----------------

Net cash used in operating activities                                            (1,930,182)            (722,641)
                                                                           ----------------    -----------------

Investing activities
Purchase of property, plant and equipment                                           (20,169)             (31,329)
Payments related to the purchase of Agri-Nutrition
 Group Limited (see Notes 1 and 2)                                                      --              (643,979)
                                                                           ----------------    -----------------
Net cash used in investing activities                                               (20,169)            (675,308)
                                                                           ----------------    -----------------

Financing activities
Proceeds from (repayment of) long-term debt and
 notes payable, net                                                               1,450,000          (12,772,811)
Advances from Parent                                                                550,000
Cash infusion by Parent in connection with the
 Merger (see Notes 1 and 2)                                                             --            13,749,889
Issuance of common stock to directors                                                   --                 8,493
                                                                           ----------------    -----------------

Net cash provided by financing activities                                         2,000,000              985,571
                                                                           ----------------    -----------------

Increase (decrease) in cash and cash equivalents                                     49,649             (412,378)
Cash and cash equivalents, beginning of period                                       84,047              412,378
                                                                           ----------------    -----------------
Cash and cash equivalents, end of period                                   $        133,696    $             --
                                                                           ================    =================
</TABLE>


                   The accompanying notes are an integral part
              of these unaudited consolidated financial statements.


<PAGE>



VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Consolidated Statement of Cash Flows (unaudited) (continued)
Page 4
- --------------------------------------------------------------------------------


Supplemental disclosure of non-cash investing and financing activities: On March
5, 1999,  Agri-Nutrition Group Limited ("AGNU") consummated a merger with Virbac
S.A., a French corporation  ("VBSA"),  Interlab S.A.S., a French corporation and
wholly  owned  subsidiary  of VBSA ("VBSA  Sub"),  and Virbac,  Inc., a Delaware
corporation and subsidiary of VBSA Sub ("Virbac"),  pursuant to which (i) Virbac
received a cash infusion of  approximately  $13.7 million from VBSA through VBSA
Sub, plus contribution of $2 million of debt to Virbac,  Inc. equity,  (ii) AGNU
issued  12,580,918 shares of its Common Stock (the "Merger Shares") to VBSA Sub,
and (iii) Virbac was merged (the "Merger")  with and into AGNU,  with AGNU being
the surviving entity and VBSA its controlling  stockholder (see Note 1). Because
VBSA,  the former  parent of Virbac,  received  60% of the voting  equity of the
Company,  Virbac  is  considered  to be the  acquiror  for  financial  statement
purposes.  Therefore, the Merger has been accounted for as a purchase of AGNU by
Virbac.  See Notes 1 and 2 for further discussion.



                   The accompanying notes are an integral part
              of these unaudited consolidated financial statements.


<PAGE>



VIRBAC CORPORATION (formerly Agri-nutrition Group Limited)

Consolidated Statement of Shareholders' Equity (unaudited)
Page 5
- --------------------------------------------------------------------------------


<TABLE>
<CAPTION>


                                      Common Stock            
                              Number                            Additional
                                of                Par             Paid in          Accumulated
                              Shares             Value            Capital            Deficit              Total      
<S>                         <C>             <C>               <C>                 <C>                <C>
Balance, December 31,
   1998 (see Note 5)          12,580,918    $   125,809       $   8,284,453       $  (6,519,562)     $    1,890,700

Cash infusion by Parent
   in connection with the
   Merger (see Notes 1 and 2)                                    13,749,889                              13,749,889

Contribution of Parent's
   debt to equity in connec-
   tion with the Merger
   (see Notes 1 and 2)                                                            2,000,000               2,000,000

Merger with Agri-Nutrition
   Group Limited (see
   Notes 1 and 2)              9,387,279         93,873          11,640,226                              11,734,099

Issuance of shares to
   directors                       7,550             75               8,418                                   8,493

Net income                                                                               12,014              12,014

Balance, March 31,
   1999                       21,975,747    $   219,757       $  35,682,986       $  (6,507,548)     $   29,395,195
</TABLE>




                   The accompanying notes are an integral part
              of these unaudited consolidated financial statements.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Notes to Consolidated Financial Statements (unaudited)
Page 6
- --------------------------------------------------------------------------------


1.       Nature of Operations and Basis of Presentation

                  Virbac  Corporation  (the "Company" or "Virbac")  manufactures
         and  distributes  a  wide  variety  of  health,  grooming,  dental  and
         parasiticide  products  for  pets  and  other  companion  animals.  The
         Company's operations are conducted by several subsidiaries operating in
         Fort Worth, Texas; St. Louis,  Missouri; Los Angeles,  California;
         Chicago, Illinois; and Yeovil, United Kingdom.

                  The  Company  is the  result of the  March 5,  1999  merger of
         Virbac, S.A.  a   subsidiary   of  Virbac  SA,  a   French   veterinary
         pharmaceutical  manufacturer ("VBSA"), and Agri-Nutrition Group Limited
         ("AGNU"),  a publicly  held company.  Pursuant to the merger  agreement
         dated  October  16,  1998 (the  "Merger  Agreement"),  the  merger  was
         completed by the following series of transactions: (i) VBSA contributed
         a total of $15.7 million to Virbac,  Inc.  consisting of  $13.7 million
         in cash and $2 million in intercompany  debt  recapitalized  as equity;
         (ii) AGNU  issued  12,580,918  shares of AGNU stock to VBSA;  and (iii)
         Virbac Inc. merged with AGNU with AGNU being the surviving  entity with
         VBSA its majority stockholder (the "Merger"). The name of the surviving
         entity was then changed to Virbac Corporation.

                  For  financial  statement  reporting  purposes,  the Merger is
         considered  a  purchase  of  AGNU  by  Virbac,  Inc.  Accordingly,  the
         accompanying   unaudited  consolidated  financial  statements  are  the
         historical  financial  statements  of Virbac, Inc.,  which  reflect its
         acquisition of AGNU as of March 5, 1999. See Note 2.

                  The accompanying  unaudited  consolidated financial statements
         have been prepared in accordance with the instructions to Form 10-Q and
         do not include all  information  and  footnotes  required by  generally
         accepted accounting  principles for complete financial  statements.  In
         the opinion of management,  these  statements  include all  adjustments
         (which consist of normal,  recurring  adjustments) necessary to present
         fairly the financial position,  results of operations and cash flows at
         and for the three month  periods  ending  March 31, 1998 and 1999.  The
         accompanying consolidated statements of operations reflect the historic
         operations of Virbac,  Inc. and include the  operations of AGNU for the
         month of March  1999,  since the date of the  Merger.  The  results  of
         operations  for the three months ending March 31, 1998 and 1999 are not
         necessarily indicative of the operating results for the full year. This
         interim report should be read in conjunction with the Virbac,  Inc. and
         AGNU  consolidated  financial  statements  and notes  related  thereto,
         included in the Proxy Statement of Agri-Nutrition Group Limited for the
         1999  Annual  Meeting of  Stockholders  filed with the  Securities  and
         Exchange Commission on February 10, 1999 ("the Proxy Statement").


2.       The Merger

                  As  discussed  in Note 1, the  Company is the  combination  of
         Virbac,  Inc. and AGNU, the merger of which has been accounted for as a
         purchase of AGNU by Virbac,  Inc. The purchase  price of $13.0  million
         assigned  to the  transaction  is the market  value of the  outstanding
         common shares of AGNU at the time of the merger announcement (9,387,279
         shares of AGNU at $1.25 per share,  or $11.7  million)  plus the direct
         acquisition  cost  incurred by Virbac Inc. The purchase  price has been
         allocated to the aquired assets and liabilities as follows ($000's):


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Notes to Consolidated Financial Statements (unaudited)
Page 7
- --------------------------------------------------------------------------------



                  Working Capital                              $         (1,445)
                  Fixed Assets                                            8,812
                  Identifiable Intangible Assets                            223
                  Goodwill                                                5,371
                                                                ---------------
                                                                         12,961
                                                                ===============
                  Goodwill is being amortized over 20 years.

                  The results of the  operations  of AGNU have been  included in
         the Company's  consolidated financial statements only since the date of
         the Merger,  March 5, 1999. The following  table reflects the pro forma
         sales,  net  income,  and net  income  per share as if the  merger  had
         occurred at the beginning of each period:

                              Pro Forma Information
                  ($000's, except share and per share amounts)
<TABLE>
<CAPTION>

                                                                                   For the Three Months Ended
                                                                                         March 31,
                                                                                 1998                 1999
<S>                                                                        <C>                 <C>
                  Net sales                                                $         13,043    $          12,908
                  Net loss                                                 $           (453)   $            (118)
                  Loss per share                                           $           (.02)   $            (.01)
                  Weighted average shares outstanding                            21,885,198           21,968,952
</TABLE>



                  Also  pursuant  to the  Merger  Agreement,  in April  1999 the
         Company commenced a public tender offer to purchase 1,000,000 shares of
         Virbac  (formerly  AGNU)  outstanding  Common Stock for $3.00 per share
         (the "Mandatory  Tender  Offer").  The shares issued to VBSA as part of
         the  merger  were  excluded  from  this  tender  offer.  Following  the
         Mandatory  Tender  Offer,  VBSA  controls   approximately  60%  of  the
         outstanding  Common Stock of the Company.  In addition,  if, during the
         period ending on the second anniversary of the Merger, the closing sale
         price of the Company's Common Stock has not reached $3.00 per share for
         40 consecutive  trading days,  the Company will conduct  another public
         tender  offer  (the  "Contingent  Tender  Offer")  to  purchase  up  to
         1,395,000 of the Company's outstanding Common Stock at a price of $3.00
         per share. Pursuant to the Merger Agreement, such tender will be funded
         by VBSA's  direct  purchase  from the  Company of  1,395,000  shares of
         unissued Common Stock at a price of $3.00 per share.

                  The  Company  has  filed a  current  report  on Form 8-K which
         includes the historical audited financial  statements of Virbac for the
         years ended December 31, 1996, 1997 and 1998, and the related pro forma
         financial data for the Merger.




<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Notes to Consolidated Financial Statements (unaudited)
Page 8
- --------------------------------------------------------------------------------


3.       Inventories

                  Inventories consist of the following:
<TABLE>
<CAPTION>

                                                                             December 31,           March 31,
                                                                                 1998                 1999
<S>                                                                        <C>                 <C>
              Raw materials                                                $        799,848    $       1,866,600
              Packaging                                                             855,305            4,514,841
              Finished goods                                                      1,756,137            5,856,517
                                                                           ----------------    -----------------

                                                                                  3,411,290           12,237,958
              Less:  reserve for excess and obsolete inventories                    (55,786)            (914,438)
                                                                           ----------------    -----------------
                                                                           $      3,355,504    $      11,323,520
                                                                           ================    =================
</TABLE>


4.       Financing

                  The Company has revolving  credit  facilities which aggregated
         $13.8 million at March 31, 1999. On March 5, 1999, in conjunction  with
         the Merger,  the Company  entered into similar credit  agreements as to
         those that were in place with Virbac and AGNU prior to the Merger.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Notes to Consolidated Financial Statements (unaudited)
Page 9
- --------------------------------------------------------------------------------


         Notes  payable as of December 31, 1998 and March 31,  1999,  consist of
the following:
<TABLE>
<CAPTION>

                                                                                   December 31,      March 31,
                                                                                       1998             1999    
                                                                                  --------------  --------------
<S>                                                                               <C>             <C>
         Rolling line of credit with a financial institution up to                $    1,000,000  $    1,000,000
          $1,000,000, interest due quarterly at LIBOR +.95% (6.6% at
          March 31, 1999), unsecured and guaranteed by VBSA.

         Note payable to a financial  institution,  amended March 5, 1999,  with
          interest due quarterly from the date of initial  advance at LIBOR plus
          .95% (6.6%, as of March 31, 1999) due in full on July 1, 1999, 
          unsecured and guaranteed by VBSA.                                            2,200,000       1,800,000

         Revolving line of credit with a financial institution up to $4,000,000,
         with  interest  due  quarterly at LIBOR plus .75% (6.4% as of March 31,
         1999), expires July 6, 2000, unsecured and guaranteed by VBSA.                4,000,000         400,000

         Revolving  credit  facility  with a  financial  institution  up to $7.0
          million  based  upon  specified   percentages  of  qualified  accounts
          receivable and inventory, secured by the assets of AGNU, amended March
          5,  1999,  with  interest  at  prime  (8.0%,  as of March  31,  1999),
          available amounts being reduced $100,000 per quarter, due in full on
          July 31, 2000                                                                                  524,871

         Notes  payable  due to the former  owners of Mardel  Laboratories  Inc.
         dated September 25, 1997, interest at prime, due in annual 
          installments in 1999 and 2000 of approximately
          $150,000, plus accrued interest, and $51,000 of which is payable
          in shares of the Company's Common stock, and a final payment of
          approximately $100,000 in 2001                                                                 497,179

         Other financing                                                                                  95,497
                                                                                  --------------  --------------
                                                                                       7,200,000       4,317,547

         Less- Current maturities                                                     (3,200,000)       (868,403)
                                                                                  --------------  --------------

                                                                                  $    4,000,000  $    3,449,144
                                                                                  ==============  ==============
</TABLE>

                  The note  payable and rolling  line of credit with a financial
         institution  will expire in 1999.  Management is currently  negotiating
         the  extension of such  facilities  and is confident  that these credit
         arrangements will be renewed, or comparable  financing will be obtained
         for at least  another  one-year  period.  Such amounts ($2.8 million in
         aggregate) are included in long-term debt as management has


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Notes to Consolidated Financial Statements (unaudited)
Page 10
- --------------------------------------------------------------------------------


         the intent to  refinance  these  obligations  with  existing  long-term
         credit  facilities if the expiring  facilities are not  restructured or
         refinanced prior to their maturity.

                  At March 31, 1999,  the Company and its  subsidiaries  were in
         compliance  with  all  covenants   related  to  its  various  financing
         arrangements, as amended. Approximately $10 million was available under
         these  facilities at March 31, 1999. Such  availability is prior to the
         April 1999  funding  of the  Mandatory  Tender  Offer,  which  utilized
         approximately $3 million. See Note 5 below.

5.       Common stock transactions

                  In accounting for the reverse  purchase of AGNU by Virbac,  as
         discussed in Notes 1 and 2, the common stock and paid in capital of the
         Company have been retroactively restated to reflect the Merger's impact
         on the Company's  capitalization.  Common stock outstanding at December
         31, 1998  reflects the  12,580,718  shares of common stock  received by
         VBSA in connection  with the Merger,  which is considered to be the pro
         forma shares that would have been outstanding at that date. On March 5,
         1999, in conjunction with the Merger, the Company is considered to have
         "acquired" AGNU and "issued" the 9,387,279 shares that were outstanding
         prior to the Merger.  Subsequent  to March 31, 1999, as required by the
         Merger agreement,  the Company  repurchased  1,000,000 shares through a
         tender offer. Such shares are held in Treasury.

                  During the three  months  ended  March 31,  1999,  the Company
         issued 7,550 unissued shares to the former Chairman of the Company,  in
         conjunction with amounts due under the Company's  compensation plan for
         officers and directors.

6.       Commitments and contingencies

                  From time to time, the Company becomes party to various claims
         and legal  actions  arising  during the  ordinary  course of  business.
         Management   believes  that  the  Company's  costs  and  any  potential
         judgments resulting from such claims and actions will be covered by the
         Company's product liability  insurance,  except for deductible  limits.
         The Company  intends to defend  such claims and actions in  cooperation
         with its insurers. It is management's opinion that, in any event, their
         outcome  would not have a material  effect on the  Company's  financial
         position, cash flows or results of operations.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 11
- --------------------------------------------------------------------------------


Overview

         On March 5, 1999,  Agri-Nutrition  Group Limited ("AGNU") consummated a
merger with Virbac S.A.,  a French  corporation  ("VBSA"),  Interlab  S.A.S.,  a
French corporation and wholly owned subsidiary of VBSA ("VBSA Sub"), and Virbac,
Inc., a Delaware corporation and subsidiary of VBSA Sub ("Virbac"),  pursuant to
which (i) Virbac  received a cash infusion from VBSA through VBSA Sub, (ii) AGNU
issued  12,580,918  shares of its Common Stock (the "Merger Shares") to VBSA Sub
and Virbac was merged  (the  "Merger")  with and into AGNU,  with AGNU being the
surviving entity and VBSA its controlling  stockholder.  In conjunction with the
Merger, the Company commenced a tender offer in April 1999 to purchase 1,000,000
shares of its outstanding  Common Stock (excluding the Merger Shares) at a price
of $3.00 per share (the  "Mandatory  Tender  Offer").  In addition,  the Company
will, on the second  anniversary  of the effective  date of the Merger and under
certain  circumstances,  commence a second  tender  offer to purchase  1,395,000
shares of its outstanding  Common Stock (excluding the Merger Shares and certain
other shares) at a price of $3.00 per share (the "Contingent Tender Offer").  As
required by the Merger  Agreement,  such tender will be funded by VBSA's  direct
purchase  from the Company of  1,395,000  shares of unissued  Common  Stock at a
price of $3.00 per share. Pursuant to the terms of the Merger Agreement,  and as
approved by the stockholders of AGNU,  AGNU's  certificate of incorporation  was
amended to, among other things,  change the Company's name to Virbac Corporation
and increase its authorized shares of Common Stock from 20,000,000 to 38,000,000
shares.  Hereinafter,  "the Company" refers to Virbac and its acquired business,
AGNU.

         Because VBSA,  the former parent of Virbac,  received 60% of the voting
equity of the Company,  Virbac is  considered  to be the acquiror for  financial
statement  purposes.  Therefore,  the Merger has been accounted for as a reverse
purchase of AGNU by Virbac in a  transaction  accounted  for using the  purchase
method of accounting.  Accordingly,  the historical  financial statements of the
Company  prior to the  merger  have  been  changed  to  reflect  the  historical
financial  statements of Virbac and the Company has adopted Virbac's fiscal year
ending  December  31. The three  month  period  ended March 31,  1999,  included
herein,  represents three months of operations of Virbac and  approximately  one
month of  operations  of AGNU.  The three month  period  ended  March 31,  1998,
included  herein,  represents the operations of Virbac.  The purchase  method of
accounting  prescribes  that  the  acquiring  company  allocate  the  cost of an
acquired  company,  including  the  expenses of the  acquisition,  to the assets
acquired and liabilities  assumed as of the date of the  acquisition  based upon
their fair market values.  Because the Merger will be accounted for as a reverse
acquisition and the stockholder of Virbac,  which is treated as the acquiror for
accounting  purposes,  is receiving AGNU Common Stock,  the fair market value of
the AGNU Common Stock  outstanding  for a  reasonable  period of time before and
after  the  announcement  of  the  Merger  determines  the  purchase  price  for
accounting  purposes.  Based on the above  estimate of fair  value,  the Company
reduced AGNU's historical  goodwill by approximately $2.4 million as of March 5,
1999. Goodwill is amortized over twenty years.

         The Company has filed a current  report on Form 8-K which  includes the
historical  audited financial  statements of Virbac for the years ended December
31,  1996,  1997 and 1998,  and the  related  pro forma  financial  data for the
Merger.

         The following table sets forth unaudited pro forma  information for the
Company as if the Merger had occurred on January 1, 1998 and 1999, respectively.
This information does not purport to represent the results of operations as they
would have been if Agri-Nutrition Group Limited and Virbac, Inc.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 12
- --------------------------------------------------------------------------------


constituted  a  single  entity  during  such  periods  and  is  not  necessarily
indicative of results which may be obtained in the future.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 13
- --------------------------------------------------------------------------------


Pro Forma Information

                                                  For the Three Months Ended
                                                           March 31,
                                                     1998             1999

        Net sales                                 $ 13,042,545    $  12,907,839
        Net loss                                  $   (452,654)   $    (118,097)
        Loss per share                            $       (.02)   $        (.01)
        Weighted average shares outstanding         21,885,198       21,968,952


Three Months Ended March 31, 1998 Compared to Three Months Ended March 31, 1999
($000's)
<TABLE>
<CAPTION>

                                                        1998                                   1999
<S>                                         <C>            <C>                     <C>               <C>
Net sales...................................$    4,342         100.0%               $   7,720          100.0%

Cost of sales...............................     1,622          37.4                    3,830           49.6

Gross profit................................     2,720          62.6                    3,890           50.4

Selling, general and administrative.........     2,390          55.0                    3,104           40.2

Research and development....................       268           6.2                      215            2.8

Warehouse and distribution..................       323           7.4                      454            5.9

Operating (loss) income ....................      (260)         (6.0)                     117            1.5
</TABLE>


         Total net sales increased 78% from $4.3 million in 1998 to $7.7 million
in 1999.  This  increase  primarily  reflects  the  addition  of AGNU's  results
subsequent  to the effective  date of the Merger on March 5, 1999.  The increase
also  reflects  increases in sales of  pesticides,  specifically  an increase in
sales of Preventic tick collars to ethical distributors.

         Gross profit  increased  from $2.7 million in 1998 (62.6% of net sales)
to $3.9 million in 1999 (50.4% of net sales),  primarily  due to the addition of
AGNU's results  subsequent to the effective date of the Merger on March 5, 1999.
The increase also reflects the increased  sales of  pesticides.  The lower gross
profit as a percent of sales  results  from the  inclusion of AGNU's sales which
are historically at lower margins than those of Virbac.

         Selling,  general  and  administrative  expenses  increased  from  $2.4
million in 1998 to $3.1 million in 1999.  This increase  primarily  reflects the
addition  of AGNU's  results  subsequent  to the  effective  date of the Merger.
However,  the  increase  was  partially  offset  by a 9%  decrease  in  Virbac's
expenses.  The  decrease  in  expenses  as  a  percent  of  sales  reflects  the
historically  lower  percent of  selling,  general and  administrative  expenses
incurred by AGNU as a percent of sales compared to Virbac.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 14
- --------------------------------------------------------------------------------


         Research and  development  expenses  decreased from $268,000 in 1998 to
$215,000 in 1999.  The  decrease in expenses as a percent of sales  reflects the
addition  of  AGNU's  sales  and the lack of any  significant  expenditures  for
research and development by AGNU.

         Warehouse and distribution expenses increased from $0.3 million in 1998
to $0.5 million in 1999. This increase primarily reflects the addition of AGNU's
results  subsequent to the effective date of the Merger.  However,  the increase
was partially offset by a 14% decrease in Virbac's expenses.

         The  factors  discussed  above  resulted  in  an  operating  income  of
approximately  $0.1  million  during  the three  months  ended  March 31,  1999,
compared to operating  loss of  approximately  $0.3 million for the three months
ended March 31, 1998.

         Interest  expense  was  approximately  $0.14  million in 1998 and $0.12
million in 1999,  reflecting  decreased net debt balances that resulted from the
cash infusion  received in conjunction with the Merger.  Since the cash infusion
occurred in March 1999,  there was only a partial  impact on the results for the
quarter.  However, much of the benefit of the cash infusion was offset by AGNU's
additional debt assumed in the Merger.

         The Company did not record a benefit for income taxes in 1998. In 1999,
the income tax expenses  were offset by a reduction in the  valuation  allowance
that  management  had  established in prior years.  The aggregate  amount of the
deferred tax asset valuation  allowance at March 31, 1999 was approximately $1.5
million.  This valuation allowance reflects  management's view of the portion of
deferred tax assets for which it is more likely than not that tax benefits  will
not be realized.  The primary factor affecting  management's view in this regard
are the Company's significant historical and pro forma losses from operations in
prior years.

Liquidity and Capital Resources

         The  Company's  existing  capital  requirements  are  primarily to fund
equipment  purchases,  to fund expenses related to the  consolidation of certain
functions and activities  between the operations of Virbac and AGNU, and working
capital  needs.  During  March  1999,  the  Company  completed  its Merger  with
Agri-Nutrition  Group  Limited.  In conjunction  with the Merger,  VBSA invested
approximately  $13.7 million of cash in the Company, in addition to contribution
of a $2 million note as an equity investment.  These funds were used to pay down
the  Company's  debt,  both that of the  former  Virbac,  Inc.,  as well as that
assumed in the merger with AGNU.  Approximately $3.1 million of these funds were
also used to repurchase  1,000,000 shares of the Company's Common Stock at $3.00
per share in April 1999,  pursuant to the Mandatory  Tender Offer required under
the Merger Agreement.

         During the three months ended March 31, 1999,  cash used by  operations
approximated  $0.7  million,  which was  primarily  related to funding  seasonal
increases in accounts  receivable.  This compares to a use of cash by operations
of $1.9 million  during the three months ended March 31, 1998; a period in which
the Company funded  seasonal  working  capital needs, as well as a net loss from
continuing operations.

         The Company has revolving  credit  facilities  which  aggregated  $13.8
million at March 31,  1999.  On March 5, 1999 the Company  amended its  existing
credit facilities to accommodate changes in the organizational  structure of the
Company  subsequent to the Merger.  Its existing credit  facilities with a bank,
aggregating  $6.8  million,  are  unsecured,  but  guaranteed  by the  Company's
majority owner, VBSA. Under


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 15
- --------------------------------------------------------------------------------


the $1.8  million term loan,  which is due in full on July 1, 1999,  interest is
due quarterly at LIBOR plus 0.95% (6.6% as of March 31,  1999).  As of March 31,
1999, $3,600,000 was available under the revolving line of credit, which expires
July 6, 2000, and interest is due quarterly at LIBOR plus .75% (6.4% as of March
31, 1999). Under a $1,000,000 line of credit, interest is due quarterly at LIBOR
plus 0.95% (6.6% as of March 31,  1999).  As of March 31, 1999,  $1,000,000  was
outstanding  under the line of credit.  In addition,  the Company entered into a
credit  agreement with AGNU's bank,  with total aggregate  credit  facilities of
$7.0 million. As of March 31, 1999, $6,500,000 was available under the revolving
line of credit,  which  expires  July 31, 2000.  The  facility  consists of $4.5
million in  revolving  credit  lines,  the  available  amount  being  based upon
specified percentages of qualified accounts receivable and inventory, and a $2.5
million  revolving credit line with available amounts being reduced $100,000 per
quarter with the next such  reduction on May 31, 1999. The interest rate on such
agreement is at the prime rate of interest.

         At March 31, 1999, the Company and its subsidiaries  were in compliance
with all covenants  related to its various financing  arrangements,  as amended.
Approximately  $1.0 million was  available  under these  facilities at March 31,
1999.  Such  availability  is prior to the April 1999  funding of the  Mandatory
Tender Offer, which utilized approximately $3.0 million. In conjunction with the
Merger  Agreement,  the Company will be required to remove the guarantee of VBSA
from its financing agreements. The Company is currently in negotiations with its
banks to restructure  its credit  facilities.  Management  anticipates  that the
restructuring  of such  agreements  will not  have a  material  effect  upon the
Company's liquidity, financial position or results of operations.

         Management  believes that the Company will  generally  have  sufficient
cash to meet the needs of the current operations for the foreseeable future from
cash flows from current  operations,  available  funds,  and existing  financing
facilities. In conjunction with the Merger Agreement in March 1999, the combined
company received a cash infusion of  approximately  $15.7 million from VBSA (the
"Cash Infusion").  See the Notes 1 and 2 above for a detailed description of the
Merger, the Cash Infusion,  a description of the assets and liabilities obtained
by the Company in  connection  with the Merger and the pro forma  results of the
Company.

         The Company has no plans to significantly increase any of its operating
subsidiaries'  plant  facilities  capacity.  Capital  expenditures for the three
months  ended  March  31,  1999 were less  than  $0.1  million.  Future  capital
expenditures  for the  Company's  operating  subsidiaries  will include  amounts
expended in the  consolidation  of certain  operations.  Management is currently
developing   plans  for  such   consolidations   and  expects  to  fund  capital
requirements, if any, from its current operations, available funds, and existing
financing facilities

Quarterly Effects and Seasonality

         The Merger with AGNU, as discussed  above, and the impact of accounting
for the  transaction  as a reverse  purchase  of AGNU by Virbac,  will result in
operating  results  during  1999 and 2000 that will not be  comparable  with the
respective prior year results of the Company. Trends of sales, gross profits and
related expenses will be impacted by the inclusion of AGNU's results  subsequent
to the Merger in March 1999. See Notes 1 and 2 above for a detailed  description
of the Merger,  the Cash Infusion,  a description of the assets and  liabilities
obtained by the Company in connection  with the Merger and the pro forma results
of the Company.  The results of  operations of certain  products,  including the
Company's flea and tick products,  have been seasonal with a lower volume of its
sales and earnings being generated  during the Company's first and fourth fiscal
quarters.  In addition,  consolidation of certain  functions within the formerly
separate  operating  companies  of Virbac and AGNU  during  1999 will impact the
comparative results of the Company between quarters and in future periods.


<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)
Management's Discussion and Analysis of
Financial Condition and Results of Operations
Page 16
- --------------------------------------------------------------------------------


New Accounting Standards

         See  Management's  Discussion  and Analysis of Financial  Condition and
Results of Operations in the Proxy Statement.

Year 2000 Compliance

         See  Management's  Discussion  and Analysis of Financial  Condition and
Results  of  Operations  in  the  Proxy  Statement,  dated  February  17,  1999.
Subsequent to such  statement,  the Company has continued to proceed on its Year
2000 compliance program. In addition, the Company is currently in the process of
developing a consolidated  Year 2000 compliance  program for the merged company.
During  February and March 1999,  the Company  completed  the upgrade of its key
accounting  and  information  systems in Harbor City,  California to a Year 2000
compliant system.

         The Company has  completed a  significant  part of the  assessment  and
remediation  phases of its Year 2000 plan with  respect to all key  hardware and
software  systems.  The  costs of  repairs  and  upgrades  to date have not been
material to the Company's  financial  position or results of  operations.  It is
anticipated that all key systems and non-information  technology systems will be
year 2000 compliant by July of 1999.

         The Company  continues to believe that, with appropriate  modifications
to  existing  computer  systems/components,   updates  by  vendors  and  trading
partners,  and conversion to new software and hardware in the ordinary course of
business,  the year 2000 issues will not pose significant  operational  problems
for the Company.  However,  there can be no assurance  that the Company will not
experience  unanticipated  costs and/or business  interruptions due to year 2000
problems in its  internal  systems,  its supply chain or from  customer  product
migration  issues,  or that  such  costs  and/or  interruptions  will not have a
material  adverse  effect on the Company's  consolidated  results of operations.
These statements are "Year 2000 Disclosures" within the meaning of the Year 2000
Information and Readiness Disclosure Act.

Euro Conversion Issues

         To  date  there  continues  to be no  material  adverse  impact  on the
Company's  operations,  financial  position  or  cash  flows resulting from  the
introduction of the Euro. See Management's  Discussion and Analysis of Financial
Condition  and  Results  of  Operations  in  the  Proxy  Statement  for  further
discussion.




<PAGE>


VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)

Part II - Other Information
Page 17
- --------------------------------------------------------------------------------


Item 6.  Exhibits and Reports on Form 8-K.

a.       Exhibits.

          10.19   Fourth  amendment  to amended and  restated  revolving  credit
                  agreement by and between PM  Resources,  Inc.,  Agri-Nutrition
                  Group  Limited,  St. JON  Laboratories,  Inc.  and First Bank,
                  dated March 5, 1999.


         10.20    Fourth amendment to credit  agreement  between Virbac AH, Inc.
                  and Societe Generale, dated March 5, 1999.

b. Reports of Form 8-K.
         1.       On March 17, 1999,  a Current  Report on Form 8-K was filed to
                  report  the  Merger  Agreement  with  Virbac  S.A.,  a  French
                  corporation,   Interlab,  S.A.S.,  a  French  corporation  and
                  wholly-owned  subsidiary  of Virbac,  S.A.,  Virbac,  Inc.,  a
                  wholly-owned  subsidiary of Interlab,  S.A.S.  ("Virbac")  and
                  Agri-Nutrition Group Limited, a Delaware corporation ("AGNU"),
                  pursuant  to which  Virbac  will be merged  with and into AGNU
                  with AGNU being the surviving corporation.
Signature

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
the  registrant  has duly  caused  this report to be signed on its behalf by the
undersigned thereunto duly authorized.

VIRBAC CORPORATION (formerly Agri-Nutrition Group Limited)



 /s/ Robert J. Elfanbaum

- -----------------------------------------------------


Robert J. Elfanbaum
Vice President and Chief Financial Officer
May 17, 1999




                          FOURTH AMENDMENT TO
                           CREDIT AGREEMENT


                  THIS FOURTH  AMENDMENT TO CREDIT  AGREEMENT,  made and entered
into as of the _____ day of March,  1999, by and between PM  RESOURCES,  INC., a
Missouri  corporation  ("PM"),  VIRBAC  CORPORATION,   a  Delaware  corporation,
formerly  known  as  Agri-Nutrition  Group  Limited  ("Virbac"),   and  ST.  JON
LABORATORIES,  INC., a California  corporation ("St. JON," and collectively with
PM and Virbac  referred to herein as  "Borrowers")  and FIRST  BANK,  a Missouri
state banking corporation ("Bank").

                                                    WITNESSETH:

                  WHEREAS,  Borrowers  heretofore jointly and severally executed
and  delivered  to Bank a  Revolving  Credit  Note  dated May 14,  1998,  in the
principal   amount  of  up  to  Nine  Million  Two  Hundred   Thousand   Dollars
($9,200,000.00),  payable  to the  order of Bank as  therein  set  forth,  which
Revolving  Credit Note was most recently  amended and restated by Borrowers in a
Revolving Credit Note dated as of February 1, 1999 in the principal amount of up
to Nine Million Five Hundred  Fifty  Thousand  Dollars  ($9,550,000.00)  made by
Borrowers  payable to the order of Bank as  therein  set forth (as  amended  and
restated, the "Note"); and

                  WHEREAS,  the Note is described in a certain Credit  Agreement
dated May 14, 1998 made by and among Borrowers and Bank as previously amended by
an  Amendment to Credit  Agreement  dated as of August 6, 1998 made by and among
Borrowers  and  Bank,  by a Second  Amendment  to Credit  Agreement  dated as of
October 2, 1998 made by and among  Borrowers and Bank, and by a Third  Amendment
to Credit Agreement dated as of February 1, 1999 made by and among Borrowers and
Bank (as  amended,  the "Loan  Agreement,"  all  capitalized  terms used and not
otherwise defined herein shall have the respective  meanings ascribed to them in
the Loan Agreement); and

                  WHEREAS,  Borrowers  and Bank desire to further amend the Loan
Agreement  and the Note to reduce  the  maturity  thereof to July 31,  2000,  to
reduce the maximum  available  principal  amount  thereunder and to make certain
other amendments thereto on the terms and conditions set forth herein;

                  NOW,  THEREFORE,  in  consideration  of the  premises  and the
mutual  provisions and agreements  hereinafter set forth,  the parties hereto do
hereby mutually promise and agree as follows:

                  1.  All  references  in the Loan  Agreement,  the Note and the
other Transaction Documents to "Agri-Nutrition Group Limited" shall hereafter be
amended and deemed to refer to Virbac Corporation,  a Delaware corporation,  the
successor by merger of Virbac, Inc., a Delaware corporation, into Agri-Nutrition
Group Limited, which then changed its name to Virbac Corporation.

                  2. The Note shall be amended and  restated in the form of that
certain  Revolving  Credit  Note  attached  hereto as  Exhibit  C, to reduce the
maximum  principal amount thereof to Seven Million Dollars  ($7,000,000.00)  for
the period of time up to and including May 30, 1999,  reducing  automatically on
May 31, 1999 to the new  maximum  amount of Six Million  Nine  Hundred  Thousand
Dollars ($6,900,000.00) pursuant to Section 3.1(b) of the Loan Agreement for the
period up to August 30, 1999,  and  thereafter  reducing as set forth in Section
3.1(b) of the Loan Agreement, and to make certain amendments as set forth

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1 -

1114440
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<PAGE>



therein.  All  references  in the Loan  Agreement to the "Note," the  "Revolving
Credit Note" and other  references of similar import shall  hereafter be amended
and deemed to refer to the Note in the form of the  Revolving  Credit  Note,  as
amended and restated in the form attached hereto as Exhibit C. Borrowers  hereby
agree that on or before 5:00 p.m.  (St.  Louis time) on May 31, 1999,  Borrowers
shall jointly and severally repay to Bank,  without any requirement of demand or
notice from Bank, an amount equal to amount by which the  outstanding  principal
balance  of  the  Note  exceeds  Six  Million  Nine  Hundred   Thousand  Dollars
($6,900,000.00), together with all other amounts then due under the terms of the
Loan Agreement and the Note.

                  3. The fourth  paragraph  beginning with the word "WHEREAS" on
the first page of the Loan Agreement shall be deleted in its entirety and in its
place shall be substituted the following:

                           WHEREAS,  Borrowers have requested the  consolidation
         of the above described  credit  facilities under one borrowing base for
         Virbac Corporation (formerly known as Agri-Nutrition Group Limited) and
         certain  of its  Subsidiaries  on a  joint  and  several  basis  and an
         extension  of such  joint and  several  loan  facility  from Bank in an
         aggregate   principal   amount   of  up  to   Seven   Million   Dollars
         ($7,000,000.00)  for a period of time from  March  ___,  1999 up to and
         including  May 30, 1999,  Four Million  Five Hundred  Thousand  Dollars
         ($4,500,000.00)  of which shall be subject to a Borrowing  Base (as set
         forth  herein)  ("Facility  A"),  and the  remaining  Two Million  Five
         Hundred Thousand Dollars  ($2,500,000.00)  of which shall be a reducing
         revolving  credit line from Bank  ("Facility  B"), that on May 31, 1999
         the maximum principal amount of such loan facility and Facility B shall
         reduce  automatically  as set  forth  in  Section  3.1(b)  herein,  and
         reducing thereafter pursuant to Section 3.1(b) herein during the period
         of time from June 1, 1999 up to and including July 31, 2000; and

                  4.  Section 1 of the Loan  Agreement  shall be  deleted in its
entirety and in its place shall be substituted the following:

                           The "Term" of this  Agreement  shall  commence on the
         date hereof and shall end on July 31, 2000,  unless earlier  terminated
         upon the  occurrence  of an Event of Default under this  Agreement,  or
         unless  subsequently  extended  by  Bank,  in its sole  discretion  and
         without  obligation  to do so,  pursuant  to the terms of Section  3.10
         herein.

                  5. The  definition  of "Floating  Rate Margin" in Section 2 of
the Loan  Agreement  shall be deleted in its  entirety and in its place shall be
substituted the following:

                           Floating Rate Margin shall mean Zero Percent (0.00%).

                  6. The definitions of "Interest  Period,"  "Treasury  Margin,"
"Treasury  Rate," "Treasury Rate Loan," and "Treasury Yield" in Section 2 of the
Loan  Agreement  shall be  deleted  in their  entirety  and shall be left  blank
intentionally.  All references in the Loan  Agreement and the other  Transaction
Documents  to such terms shall be of no further  effect and  Borrowers  shall no
longer have an option to have any of the loans  accrued and bear interest at the
Treasury Rate plus Treasury Margin.

                  7. The second sentence of Section 3.1(a) of the Loan Agreement
shall be deleted  in its  entirety  and in its place  shall be  substituted  the
following:

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2 -


<PAGE>



The maximum  aggregate  principal amount of Loans plus the face amount of issued
and outstanding Letters of Credit which Bank,  cumulatively,  may be required to
have  outstanding  under  this  Facility  A at any one time shall not exceed the
lesser of Four Million Five Hundred  Thousand Dollars  ($4,500,000.00),  or (ii)
the Borrowing Base (as hereinafter defined).

                  8.       The second sentence of Section 3.1(b) of the Loan 
Agreement shall be deleted in its entirety and in its place shall be substituted
the following:

         The  aggregate  principal  amount  of  Facility  B  Loans  which  Bank,
         cumulatively,  shall be required to have  outstanding  hereunder at any
         one time shall not exceed Two Million  Five  Hundred  Thousand  Dollars
         ($2,500,000.00)  from  the date of that  certain  Fourth  Amendment  to
         Credit  Agreement  dated  as of  March  ___,  1999  made  by and  among
         Borrowers and Bank (the "Fourth  Amendment")  until May 30, 1999, which
         amount  shall  thereafter  be reduced by One Hundred  Thousand  Dollars
         ($100,000.00)  on each  February 28, May 31, August 31 and November 30,
         with the first such reduction on May 31, 1999.

                  9.       Section 3.2 of the Loan Agreement shall be deleted in
its entirety and in its place shall be substituted the following:

                           3.2 Procedure for Borrowing. Subject to the terms and
conditions  hereof,  Bank shall cause the Loans to be made to  Borrowers  at any
time and from time to time during the Term of this  Agreement  upon timely prior
oral or written  notice  ("Borrowing  Notice") from any of the Borrowers to Bank
specifying:

                           (i) the  desired  amount  of the  Facility  A Loan or
Facility B Loan requested;

                           (ii) the date on which the  proceeds of such Loan are
to be made available to any of the Borrowers;

                           (iii)  that on the date of, and after  giving  effect
to, such Loan, no Default or Event of Default under this  Agreement has occurred
and is continuing; and

                           (iv) that on the date of, and after giving effect to,
such Loan, all of the  representations  and warranties of Borrowers contained in
this  Agreement are true and correct in all material  respects as if made on the
date of such Loan.

         A Borrowing  Notice  shall not be required in  connection  with a Prime
         Loan made to cover any  overdraft  in Virbac's  operating  account on a
         day-to-day  basis  as set  forth  herein.  A  Borrowing  Notice,  if in
         writing,  shall be in the form of the notice  attached  as Exhibit B to
         the Fourth  Amendment.  Each Borrowing  Notice must be received by Bank
         not later than 10:00 a.m. (St. Louis time) on the Business Day on which
         a Loan is to be established.  A Borrowing Notice shall not be revocable
         by Borrowers. Subject to the terms and conditions hereof, provided that
         Bank has  received  the  Borrowing  Notice,  Bank  shall  (unless  Bank
         determines that any applicable condition specified in Section 4 has not
         been satisfied) pay to Borrowers,  or any of them, the Loan proceeds of
         any new Loan in  immediately  available  funds not later than 2:00 p.m.
         (St.  Louis  time) on the  Business  Day  specified  in said  Borrowing
         Notice. Each of the Borrowers hereby authorizes Bank to reasonably rely
         on telephonic,  telegraphic, telecopy, telex or written instructions of
         any person identifying himself as a person authorized to request a Loan
         or make a repayment hereunder, and on any signature which Bank believes
         to be genuine,  and Borrowers shall be bound thereby in the same manner
         as if such person  were  actually  authorized  or such  signature  were
         genuine.  Borrowers  further request and authorize Bank, in Bank's sole
         and absolute discretion, to make a Prime Loan to Borrowers hereunder at
         the  end of  each  day in  which  Borrowers  shall  have  an  overdraft
         (negative  ledger balance) in Virbac's  operating  account (Account No.
         9800801785)  with  Bank  after  crediting  all  deposits   received  in
         immediately  available  funds and  debiting  all  withdrawals  made and
         checks  presented  against  such account and honored by Bank as of such
         date and after  funding any  advances  to or  receiving  any  collected
         balances on such day from the "zero balance"  operating  accounts of PM
         Resources (Account No. 9800802535) and St. JON (Account No. 9800805419)
         with Bank to cover  withdrawals  made and checks presented on such date
         and after  crediting  all deposits  received in  immediately  available
         funds on such  date,  which  Prime  Loan shall be in the amount of such
         overdraft  without any other  request or  authorization  therefor  from
         Borrowers and without notice to Borrowers. Similarly, Borrowers request
         that Bank apply any collected  balances  (after funding  advances to or
         receiving  collections from the "zero balance" accounts of PM Resources
         and St. JON) in excess of a mutually  predetermined amount remaining at
         the end of any day in Virbac's  operating  account to the  repayment of
         the principal  balance of Borrowers'  Obligations  outstanding as Prime
         Loans under the Note. Borrowers also hereby agree jointly and severally
         to indemnify  Bank and hold Bank  harmless from and against any and all
         claims,  demands,  damages,  liabilities,  losses,  costs and  expenses
         (including, without limitation, Attorneys' Fees) relating to or arising
         out of or in connection with the acceptance of instructions  for making
         Loans or repayments hereunder.  Contemporaneously with the execution of
         the Fourth  Amendment,  Borrowers  shall  execute and deliver to Bank a
         Note of Borrowers  dated as of March ___, 1999 and payable  jointly and
         severally  to the  order of Bank in the  original  principal  amount of
         Seven Million Dollars ($7,000,000.00) in the form attached as Exhibit C
         to the Fourth  Amendment and  incorporated  herein by reference (as the
         same may from time to time be amended,  modified,  extended or renewed,
         the "Note").

                  10. Section  3.4(b) of the Loan Agreement  shall be deleted in
its entirety and in its place shall be substituted the following:

                           (b) Each Facility B Loan shall bear interest prior to
maturity at a rate per annum equal to the Prime Rate plus  Floating  Rate Margin
in effect  from time to time  during  the  period  when such  Facility B Loan is
outstanding,  with  changes in the  interest  rate  taking  effect on the date a
change in the Prime Rate is made effective generally by Bank.

                  11. The last  sentence of Section  3.10 of the Loan  Agreement
shall be deleted  in its  entirety  and in its place  shall be  substituted  the
following:

                           3.10  Maturity.  All Loans not paid prior to July 31,
         2000,  together with all accrued and unpaid interest thereon,  shall be
         due and  payable on July 31,  2000 (as from time to time  extended,  if
         any, pursuant to this Section, the "Maturity Date"); provided, however,
         that in the event  Bank,  in its sole and  absolute  discretion,  shall
         deliver to Borrowers a written  notice  signed by Bank on or before the
         date one year prior to the then current Maturity Date (and prior to any
         subsequent  Maturity  Date  thereafter  if extended  under this Section
         3.10) of Bank's  intention to extend the term of this  Agreement for an
         additional  year,  then the Maturity  Date of this  Agreement  shall be
         extended for a period of one additional year following the then current
         Maturity  Date.  Following  any such  extension of the Maturity Date by
         Bank,  all of the  outstanding  principal  and all  accrued  and unpaid
         interest,  fees and other amounts due under this Agreement and the Note
         shall be due and payable on such new Maturity Date,  unless it is again
         extended  by Bank,  in its  sole and  absolute  discretion,  under  the
         foregoing sentence.

                  12. Section 7.1(a)(iii) of the Loan Agreement shall be deleted
in its entirety and in its place shall be substituted the following:

                  (iii)  As  soon  as   available   and  in  any  event   within
twenty-eight  (28) days after the end of each fiscal  quarter,  a certificate of
the  principal  financial  officers  or  controllers  of  Borrowers  in the form
attached hereto as Exhibit E and incorporated  herein by reference,  accompanied
by supporting financial work sheets where appropriate; ---------

                  13. Section  7.1(i)(i) of the Loan Agreement  shall be deleted
in its entirety and in its place shall be substituted the following:

                  (i)  Maintain  a  ratio  of  Indebtedness   (determined  on  a
consolidated  basis for Borrowers  and their  Consolidated  Subsidiaries  and in
accordance with Generally Accepted Accounting  Principles  consistently applied,
but excluding  Subordinated Debt) to Consolidated Tangible Net Worth of not more
than 1.00 to 1.0 at each fiscal  quarter end during the Term hereof,  commencing
with the first such test as of Borrowers' fiscal quarter ending March 31, 1999;

                  14. Section  7.1(i)(ii) of the Loan Agreement shall be deleted
in its entirety and in its place shall be substituted the following:

                           (ii)  Maintain a minimum  Consolidated  Tangible  Net
         Worth at all times  during the Term hereof of not less than Two Million
         Dollars ($2,000,000.00) less than the amount of Borrowers' Consolidated
         Tangible  Net  Worth  on the  date  of and  immediately  following  the
         occurrence  of the merger of Virbac,  Inc.  into  Agri-Nutrition  Group
         Limited (the "Closing Net Worth"), which Closing Net Worth shall not be
         less  than   Twenty-Three   Million  Five  Hundred   Thousand   Dollars
         ($23,500,000.00)  in an event, and Borrowers agree to provide Bank with
         a calculation  of the Closing Net Worth amount not later than five days
         after the date of the Fourth Amendment;

                  15. Section 7.1(i)(iii) of the Loan Agreement shall be deleted
in its entirety and shall be left blank intentionally.

                  16. Section  7.1(i)(iv) of the Loan Agreement shall be deleted
in its entirety and shall be left blank intentionally.

                  17. A new subsection (vii) shall be added to Section 7.2(a) of
the Loan  Agreement  immediately  following  subsection  7.2(a)(vi)  therein  as
follows:

                  (vii)  Indebtedness  not  otherwise  permitted by this Section
7.2(a) in an amount not to exceed $3,000,000.00 in the aggregate at any one time
outstanding for Borrowers and all  Subsidiaries  of any of the Borrowers,  which
Indebtedness  may either be  unsecured  or secured  solely by a Lien on the real
property,  improvements  and fixtures of Virbac AH, Inc.  located in Fort Worth,
Texas.

                  18. A new subsection  (vi) shall be added to Section 7.2(b) of
the  Loan  Agreement  immediately  following  subsection  7.2(b)(v)  therein  as
follows:

                  (vi) Liens  granted by Virbac AH, Inc.  on its real  property,
improvements  and  fixtures   located  in  Fort  Worth,   Texas  to  secure  the
Indebtedness permitted under Section 7.2(a)(vii) above;

                  19. Section  7.2(f) of the Loan Agreement  shall be deleted in
its entirety and in its place shall be substituted the following:

                  (f) Fiscal Year.  None of the Borrowers nor any  Subsidiary of
any of the  Borrowers  will  change its fiscal  year from a fiscal  year  ending
December 31, without the prior written consent of Bank.


                  20. Bank  hereby  consents  to  Virbac's  repurchase  of up to
1,000,000 shares of its outstanding  common stock at $3.00 per share pursuant to
the  Mandatory  Tender  Offer as defined and  described  in that  certain  Proxy
Statement of Agri-Nutrition  Group Limited issued for use in connection with its
March 1,  1999  annual  meeting  of  shareholders.  Also,  under  each  relevant
provision of Section 7.2 of the Loan Agreement,  including,  without  limitation
Sections  7.2(d) (Mergers and  Consolidations),  7.2(e)  (Acquisitions),  7.2(i)
(Loans and Investments) and 7.2(k) (Change in Nature of Business),  Bank further
consents  to:  (i) the  acquisition  of more than Fifty  Percent  of  Borrower's
outstanding stock by Virbac S. A., a French  corporation,  and the merger of its
United  States  subsidiary,  Virbac,  Inc.  with and into  Agri-Nutrition  Group
Limited  with  Agri-Nutrition  Group  Limited  then  changing its name to Virbac
Corporation; and (ii) the resulting investment of all existing assets of Virbac,
Inc.  into  Virbac  AH,  Inc.,  including,  without  limitation,  the  stock  of
Francodex,  Inc.,  which is the  existing  subsidiary  of Virbac S. A.'s  United
States subsidiary,  Virbac,  Inc., provided Bank receives the Guaranty of all of
Borrowers'  obligations and  indebtedness to Bank under the Loan Agreement,  the
Note and the other transaction  documents as required under Paragraphs 24(c) and
(d) herein. Borrowers hereby represent that following the acquisition and merger
of Virbac, Inc. into Agri-Nutrition Group Limited and prior to the repurchase of
the 1,000,000 shares of stock pursuant to the Mandatory Tender Offer,  Borrowers
shall have a Consolidated  Tangible Net Worth of at least  Twenty-Three  Million
Five Hundred Thousand Dollars ($23,500,000.00).

                  21.  The  Borrowing  Base  Certificate  shall be  amended  and
restated in the form of that certain Borrowing Base Certificate  attached hereto
as  Exhibit A to  incorporate  the above  changes.  All  references  in the Loan
Agreement to the "Borrowing Base  Certificate"  and other  references of similar
import  shall  hereafter  be amended and deemed to refer to the  Borrowing  Base
Certificate in the form attached hereto as Exhibit A.

                  22. The form of Borrowing Notice shall be amended and restated
in the form of that certain  Borrowing  Notice  attached  hereto as Exhibit B to
incorporate the above changes.  All references in the Loan Agreement to the form
of "Borrowing  Notice" and other references of similar import shall hereafter be
amended and deemed to refer to the Borrowing  Notice in the form attached hereto
as Exhibit B.

                  23. In  consideration  of Bank's  agreement  to amend the Loan
Agreement  and Note as set forth herein and to amend the  covenants  and provide
the consents as set forth herein,  Borrowers  agree to jointly and severally pay
to Bank an amendment fee in the amount of $5,000.00,  which fee shall be due and
payable and fully earned on the date hereof.

                  24. The  agreements  of Bank  contained  herein are  expressly
conditioned upon deliver by Borrowers of the following:

                  (a) the executed  original of this Fourth  Amendment to Credit
Agreement;

                  (b) the executed original of the amended and restated Note;

                  (c) the original of an unlimited  continuing  Guaranty in form
and  substance  acceptable  to Bank duly  executed by an  authorized  officer of
Virbac's Subsidiary,  Virbac AH, Inc., guarantying all of the present and future
liabilities and obligations of any of the Borrowers to Bank;

                  (d) the original of an unlimited  continuing  Guaranty in form
and  substance  acceptable  to Bank duly  executed by an  authorized  officer of
Virbac AH, Inc.'s Subsidiary,  Francodex,  Inc.,  guarantying all of the present
and future liabilities and obligations of any of the Borrowers to Bank;

                  (e) a copy of resolutions of the Board of Directors of each of
the  Borrowers,  duly  adopted,  which  authorize  the  execution,  delivery and
performance  of this Fourth  Amendment to Credit  Agreement  and the amended and
restated Note and the other Transaction Documents, certified by the Secretary of
each such Borrower;

                  (f) a  certified  copy  of  the  [Certificate  of  Merger  and
Amendments to Virbac's  Certificate of Incorporation]  evidencing the completion
of the merger of Virbac, Inc. into Agri-Nutrition Group Limited and the changing
of  Agri-Nutrition  Group  Limited's  name to Virbac  Corporation  issued by the
Secretary of State of the State of Delaware;

                  (g) the  Consent of Virbac  and St.  JON in the form  attached
hereto,  acknowledging  the  amendments  contained  herein  and  the  continuing
effectiveness of the Pledge Agreements, duly executed respectively by Virbac and
St. JON;

                  (h) the  executed  originals of such UCC-3  amendments  to the
existing  financing  statements  filed by Bank  against  the assets of Virbac to
change the name of the debtor on such filings to Virbac's name;

                  (i) a copy of resolutions of the Board of Directors of each of
Virbac AH, Inc.  and of  Francodex,  Inc.  duly  adopted,  which  authorize  the
execution,  delivery  and  performance  of their  respective  Guaranties  of the
obligations of Borrowers,  certified by the respective Secretaries of Virbac AH,
Inc. and of Francodex, Inc.

                  (j) such other documents as Bank may reasonably request; and

                           (k)  payment  by  Borrowers  of  the   amendment  fee
required under paragraph 23 above.

                  25. Borrowers hereby represent and warrant to Bank that:

                  (a) The  execution,  delivery and  performance by Borrowers of
this Fourth Amendment to Credit Agreement and the amended and restated Revolving
Credit  Note are  within  the  corporate  powers  of  Borrowers,  have been duly
authorized  by all  necessary  corporate  action and  require no action by or in
respect of, or filing with,  any  governmental  or  regulatory  body,  agency or
official.  The execution,  delivery and  performance by Borrowers of this Fourth
Amendment to Credit Agreement and the amended and restated Revolving Credit Note
do not  conflict  with,  or  result  in a breach  of the  terms,  conditions  or
provisions  of, or constitute a default under or result in any violation of, and
none of the  Borrowers is now in default  under or in violation of, the terms of
the Articles of  Incorporation  or Bylaws of such Borrower,  any applicable law,
any  rule,  regulation,  order,  writ,  judgment  or  decree  of  any  court  or
governmental  or  regulatory  agency or  instrumentality,  or any  agreement  or
instrument  to which any of the  Borrowers is a party or by which any of them is
bound or to which any of them is subject;

                  (b) This Fourth  Amendment to Credit Agreement and the amended
and restated  Revolving  Credit Note have been duly  executed and  delivered and
constitute the legal, valid and binding obligations of Borrowers  enforceable in
accordance with their terms; and

                  (c)   As  of  the   date   hereof,   all  of  the   covenants,
representations  and warranties of Borrowers set forth in the Loan Agreement are
true and correct and no "Event of Default" (as defined  therein) under or within
the meaning of the Loan Agreement has occurred and is continuing.

                  26.  All  references  in the  Loan  Agreement  to  "this  Loan
Agreement" and any other  references of similar import shall henceforth mean the
Loan Agreement as amended by this Fourth Amendment to Credit Agreement.

                  27. This Fourth  Amendment to Credit Agreement and the amended
and  restated  Revolving  Credit  Note  shall be  binding  upon and inure to the
benefit of the  parties  hereto and their  respective  successors  and  assigns,
except that  Borrowers may not assign,  transfer or delegate any of their rights
or obligations hereunder.

                  28.  This  Fourth  Amendment  to  Credit  Agreement  shall  be
governed by and construed in  accordance  with the internal laws of the State of
Missouri.

                  29. In the event of any inconsistency or conflict between this
Fourth  Amendment  to  Credit  Agreement  and the  Loan  Agreement,  the  terms,
provisions and  conditions of this Fourth  Amendment to Credit  Agreement  shall
govern and control.

                  30. The Loan  Agreement,  as hereby amended and modified,  and
the amended and restated  Revolving Credit Note, as hereby amended and restated,
are and  shall  remain  the  binding  obligations  of  Borrowers  and all of the
provisions,  terms,  stipulations,  conditions,  covenants and powers  contained
therein shall stand and remain in full force and effect, except only as the same
are herein and hereby  specifically  varied or amended,  and the same are hereby
ratified  and  confirmed.  If any  installment  of  principal or interest on the
amended  and  restated  Revolving  Credit  Note  shall  not be paid  when due as
provided in the amended and restated  Revolving  Credit Note,  the holder of the
amended and restated Revolving Credit Note shall be entitled to and may exercise
all rights and remedies under the amended and restated Revolving Credit Note and
the Loan Agreement, as amended.

                  31. ORAL  AGREEMENTS  OR  COMMITMENTS  TO LOAN  MONEY,  EXTEND
CREDIT OR TO FOREBEAR FROM ENFORCING REPAYMENT OF A DEBT,  INCLUDING PROMISES TO
EXTEND OR RENEW SUCH DEBT, ARE NOT  ENFORCEABLE.  TO PROTECT  BORROWERS AND BANK
FROM ANY MISUNDERSTANDING OR DISAPPOINTMENT, ANY AGREEMENTS REACHED BY BORROWERS
AND BANK COVERING SUCH MATTERS ARE CONTAINED IN THE LOAN  AGREEMENT,  AS AMENDED
BY THIS AGREEMENT,  WHICH CONSTITUTES A COMPLETE AND EXCLUSIVE  STATEMENT OF THE
AGREEMENTS  BETWEEN  BORROWERS  AND BANK EXCEPT AS BORROWERS  AND BANK MAY LATER
AGREE IN WRITING TO MODIFY.  THE LOAN  AGREEMENT,  AS AMENDED BY THIS AGREEMENT,
EMBODIES THE ENTIRE AGREEMENT AND  UNDERSTANDING  BETWEEN THE PARTIES HERETO AND
SUPERSEDES ALL PRIOR AGREEMENTS AND UNDERSTANDINGS (ORAL OR WRITTEN) RELATING TO
THE SUBJECT MATTER HEREOF.

                  IN WITNESS  WHEREOF,  the parties  hereto have  executed  this
instrument as of the date first written above on this _____ day of March, 1999.

                             PM RESOURCES, INC.



                             By:                                 
                                  Robert J. Elfanbaum, Vice President

                             VIRBAC CORPORATION



                             By:                               
                                  Robert J. Elfanbaum, Vice President and Chief
                                  Financial Officer

                             ST. JON LABORATORIES, INC.



                             By:                                  
                                  Robert J. Elfanbaum, Vice President

                             FIRST BANK



                             By:                                   
                                  Ted H. Kraizer, Vice President


<PAGE>


                            CONSENT TO FOURTH AMENDMENT TO
                                   CREDIT AGREEMENT 

                  The  undersigned  hereby consent to the terms of the foregoing
Fourth  Amendment to Credit  Agreement  and the amended and  restated  Revolving
Credit Note and other  amendments  being  executed in  connection  therewith  as
referenced  therein  (collectively,   the  "Amendments"),  and  the  undersigned
acknowledge  that the  execution  and  delivery by PM  Resources,  Inc.,  Virbac
Corporation  (formerly  known  as  Agri-Nutrition  Group  Limited)  and St.  JON
Laboratories,   Inc.  of  said   Amendments   will  not  affect  or  impair  the
undersigned's  respective obligations to and agreements with Bank under (i) that
certain   Agreement  of  Pledge  (Third  Party)  dated  May  14,  1998  made  by
Agri-Nutrition  Group Limited (now known as Virbac Corporation) in favor of Bank
(the "Virbac Pledge Agreement"), or (ii) that certain Agreement of Pledge (Third
Party)  dated May 14, 1998 made by St. JON  Laboratories,  Inc. in favor of Bank
(the "St. JON Pledge  Agreement"),  which  obligations and agreements are hereby
ratified and confirmed.  The undersigned  further acknowledge and agree that all
references in the Virbac Pledge Agreement and in the St. JON Pledge Agreement to
the "Credit  Agreement" and other  references of similar import shall henceforth
mean the foregoing  Credit  Agreement,  as amended on the date hereof and as the
same may from time to time be  further  amended;  all  references  in the Virbac
Pledge  Agreement and the St. JON Pledge Agreement to the "Note," the "Revolving
Credit Note" and other  references of similar import shall  henceforth  mean the
Revolving Credit Note, as amended and restated, and as the same may from time to
time be further  amended;  and all references in the Virbac Pledge Agreement and
the St. JON Pledge  Agreement to any of the other  transaction  documents  shall
henceforth  mean such  documents  as the same may have been amended by the other
Amendments and as the same may from time to time be further amended.

Dated:  as of March ___, 1999.

                                     VIRBAC CORPORATION


                                     By:                          
                                            Robert J. Elfanbaum, Vice President
                                            and Chief Financial Officer

                                     ST. JON LABORATORIES, INC.


                                     By:                         
                                            Robert J. Elfanbaum, Vice President










                           FOURTH AMENDMENT AGREEMENT

         This  Fourth  Amendment  Agreement  dated  as of March  5,  1999  (this
"Amendment")  is between Virbac AH, Inc., a Delaware  corporation  ("Borrower"),
and Societe Generale,  New York Branch ("Bank"), and amends the Credit Agreement
dated as of July 6, 1994, as amended by the First  Amendment  Agreement dated as
of August 30, 1995, the Second Amendment  Agreement dated as of July 6, 1997 and
the Third Amendment  Agreement dated as of January 1, 1998, each between Virbac,
Inc., a Delaware  corporation  ("Predecessor  Borrower")  and Societe  Generale,
Southwest Agency (as previously amended,  the "Credit  Agreement").  Capitalized
terms defined in the Credit  Agreement  and not  otherwise  defined or redefined
herein are used herein with the meanings so defined.

         WHEREAS,  on March 5, 1999  Predecessor  Borrower merged (the "Merger")
with and into Agri-Nutrition Group Limited, a Delaware  corporation,  which as a
result of the Merger changed its name to Virbac Corporation;

         WHEREAS,  immediately after the Merger, Virbac Corporation  contributed
all of the Predecessor  Borrower's  assets to Borrower (the  "Contribution"),  a
newly formed wholly owned subsidiary of Virbac Corporation, and Borrower assumed
all of Predecessor  Borrower's duties and liabilities,  including its duties and
liabilities under the Credit Agreement (the "Assumption");

         WHEREAS,  the  Borrower  has  requested  the Bank to amend  the  Credit
Agreement to set forth Bank's consent to the Merger,  the  Contribution  and the
Assumption as hereinafter provided, and the Bank has agreed to such amendment on
the terms and conditions set forth herein.

         NOW,  THEREFORE,  in  consideration of the foregoing and for other good
and  valuable  consideration,  the receipt and  sufficiency  of which are hereby
acknowledged, the parties hereto hereby agree as follows:

         1.       Amendment of Credit Agreement.

                  1.1 Opening  Paragraph.  The opening  paragraph  to the Credit
Agreement  is amended by  replacing  "Virbac,  Inc." with  "Virbac AH,  Inc." as
Borrower.

                  1.2 Section  1.01.  Section  1.01 of the Credit  Agreement  is
amended by adding a definition for "Merger Agreement" as follows:

                  "Merger  Agreement"  means that certain  Agreement and Plan of
Merger  dated as of October  16,  1998  between  Agri-Nutrition  Group  Limited,
Parent,  Predecessor  Borrower  and,  by  addendum,  Interlab  S.A.S.,  a French
corporation and wholly owned subsidiary of Parent ("Interlab"), as amended.

                   1.3 Section  4.05.  Section  4.05 of the Credit  Agreement is
amended  to  read  in  its  entirety  as  follows:  "After  consummation  of the
transactions contemplated by the Merger

DL:  1035306v4
                                                         1

<PAGE>



Agreement,  Interlab will own  approximately  60% of the issued and  outstanding
common stock of Virbac Corporation. Parent is the sole stockholder of Interlab."

                  1.4 Section  6.01.  Section  6.01(g) is amended to read in its
entirety as follows:  "Upon  consummation of the  transactions  described in the
Merger  Agreement,  Interlab shall cease to own 60% of the  outstanding  capital
stock of Virbac  Corporation and Virbac  Corporation  shall cease to own 100% of
the outstanding capital stock of Borrower."

                  1.5  Section  7.08.  The second  sentence  of Section  7.08 is
hereby amended to read in its entirety as follows:  "Except for the Contribution
of rights by Virbac  Corporation  and the Assumption of duties by Borrower under
the Credit  Agreement,  which are hereby  approved,  Borrower may not assign its
rights or  delegate  its  duties  under the  Agreement,  the Notes and the other
Credit Documents."

                  1.6 Section  7.09.  Section  7.09 of the Credit  Agreement  is
amended by deleting:

                           Virbac, Inc.
                           P.O. Box 162059
                           Fort Worth, Texas 76161
                           Attention:  Mr. Scott Smith
                           Telephone:       (817) 831-5030
                           Telecopy:        (817) 831-8327

and replacing it with:

                           Virbac AH, Inc.
                           3200 Meacham Boulevard
                           Fort Worth, Texas 76137
                           Attention: Ms. Debbie Giles
                           Telephone:       (817) 831-5030
                                            (800) 338-3659
                           Telecopy:        (817) 831-8327

                  1.7 Exhibit A.  Exhibit A attached to the Credit  Agreement is
hereby replaced with Exhibit A attached to this Amendment.

                  1.8 Exhibit B.  Exhibit B attached to the Credit  Agreement is
hereby replaced with Exhibit B attached to this Amendment.

                  1.9 Exhibit C.  Exhibit C attached to the Credit  Agreement is
hereby replaced with Exhibit C attached to this Amendment.

                  1.10 Exhibit D. Exhibit D attached to the Credit  Agreement is
hereby deleted.


DL:  1035306v4
                                                         2

<PAGE>



                  1.11 Exhibit E. Exhibit E attached to the Credit  Agreement is
hereby replaced with Exhibit D attached to this Amendment.

         2.  Representations and Warranties.  The Borrower hereby represents and
warrants to the Bank that (a) each of the  representations  and  warranties  set
forth  in the  Credit  Agreement  is true  and  correct  as of the  date of this
Amendment,  (b)  this  Amendment,  the  Credit  Agreement  as  amended  by  this
Amendment, and all other agreements or documents executed in connection herewith
have  been  duly  authorized,  executed  and  delivered  by  the  Borrower,  and
constitute the legal, valid and binding obligations of the Borrower, enforceable
against the  Borrower in  accordance  with their  respective  terms,  subject to
applicable  bankruptcy,  insolvency  and similar laws  affecting  generally  the
enforcement of creditors' rights and remedies,  and (c) the execution,  delivery
and  performance  of the  Credit  Agreement  as  amended  hereby is  within  the
corporate  power and  authority of the Borrower and has been duly  authorized by
appropriate corporate proceedings.

         3. No Default.  The Borrower hereby represents and warrants to the Bank
that no Event of Default and no Default has occurred and is continuing as of the
date of this Amendment.

         4.  Effectiveness  of Amendment.  This Amendment  shall be deemed to be
effective on and as of March 5, 1999 when the Bank has received the following:

                  (a)      an original counterpart of this Amendment executed by
the Borrower;

                  (b)      an executed Revolving Note in substantially the form 
of Exhibit B attached hereto;

                  (c)      an executed Term Note in substantially the form of 
Exhibit C attached hereto;

                  (d) an executed  Certificate  of the  Secretary  or  Assistant
Secretary  of the  Borrower  in  substantially  the form of  Exhibit D  attached
hereto, together with copies of all Borrower documents referred to therein.

         5.  Counterparts.  This  Amendment  may be  executed  in any  number of
counterparts which together shall constitute one instrument.

         6. Governing  Law. This  Amendment  shall be governed by, and construed
and enforced in accordance with, the laws of the State of New York.

         7.  Preservation of Credit  Agreement and Other  Agreements.  Except as
specifically  modified  by the  terms  of  this  Amendment  all  of  the  terms,
provisions,  covenants,  warranties  and  agreements  contained  in  the  Credit
Agreement  and in any other  agreements  or  documents  executed  in  connection
therewith shall remain in full force and effect.

         8. ENTIRE AGREEMENT.  THIS AMENDMENT AND THE CREDIT AGREEMENT AND OTHER
CREDIT DOCUMENTS CONSTITUTE THE ENTIRE AGREEMENT AMONG THE PARTIES PERTAINING TO
THE SUBJECT MATTER HEREOF AND THEREOF AND SUPERSEDES ALL PRIOR AND


                                                         3

<PAGE>



CONTEMPORANEOUS  AGREEMENTS,  UNDERTAKINGS,  UNDERSTANDINGS,  REPRESENTATIONS OR
OTHER ARRANGEMENTS,  WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, OF THE PARTIES
IN  CONNECTION   HEREWITH  EXCEPT  TO  THE  EXTENT  EXPRESSLY   INCORPORATED  OR
SPECIFICALLY REFERRED TO HEREIN OR THEREIN.

         IN  WITNESS  WHEREOF,  the  Borrower  and the  Bank  have  caused  this
Amendment to be executed by their respective  officers duly authorized as of the
date first written above.

VIRBAC AH, INC.


By:                                                  
Name:                                                
Title:                                               

SOCIETE GENERALE, NEW YORK
BRANCH


By:                                                  
Name:                                                
Title:                                               


                          4

<PAGE>



                                EXHIBIT A

                        FORM OF NOTICE OF BORROWING

                                 [Date]



Societe Generale, New York Branch
1221 Avenue of the Americas
New York, NY 10020


Ladies and Gentlemen:

Reference is made to the Credit  Agreement dated as of July 6, 1994 (as amended,
the  "Credit  Agreement"),  between  Virbac AH,  Inc.,  a  Delaware  corporation
("Borrower"),  and Societe Generale, New York Branch ("Bank"). Capitalized terms
used herein but not defined  herein  shall have the  meanings  specified  by the
Credit Agreement.

Pursuant to Section 2.03 of the Credit  Agreement,  the Borrower hereby gives to
the  Bank  an  irrevocable  request  for the  making  of the  follow  Advance[s]
([collectively, the] "Requested Advance[s]") described below:

         1.       [Advance#1]

                  (a)      Facility (Revolving or Term):

                  (b)      Type (Prime, or LIBOR, or N/A):

                  (c)      Amount:

                  (d)      Interest Period:

                  (e)      Date of Funding:

The  Borrower  certifies  that  the  following  statements  are true on the date
hereof,  and will be true on [each]  [the]  date of  funding  for the  Requested
Advance[s]:

         1. All of the  representations  and warranties  made by the Borrower in
the Credit Documents are true and correct in all materials  respects on the date
of this certificate as if made on this date.


DL:  1035306v4
                                                         1

<PAGE>



Societe Generale, New York Branch
[Date]
Page 2



         2. There  exists no  Default or Event of Default  and the making of the
Advance would not cause or be reasonably expected to cause a Default or Event of
Default.

                                                     Very truly yours,

                                                     VIRBAC AH, INC.


                                                     By:             
                                                     Name:               
                                                     Title:               



DL:  1035306v4
                                                         2

<PAGE>



                                   EXHIBIT B

                             FORM OF REVOLVING NOTE

                                PROMISSORY NOTE

$4,000,000                                                         March 5, 1999

         Virbac  AH,  Inc.,  a  Delaware  corporation  ("Borrower"),  for  value
received,  hereby  promises  to pay to the order of Societe  Generale,  New York
Branch ("Bank"),  the principal sum of Four Million Dollars  ($4,000,000) or, if
less, the aggregate  outstanding principal amount of the Revolving Advances made
pursuant  to the Credit  Agreement  dated as of July 6, 1994,  as amended by the
First  Amendment  Agreement  dated as of August 30, 1995,  the Second  Amendment
Agreement dated as of July 6, 1997, and the Third  Amendment  Agreement dated as
of January 1, 1998, each between  Virbac,  Inc. and Societe  General,  Southwest
Agency,  and as further  amended by the Fourth  Amendment  Agreement dated as of
March 5, 1999 between the Borrower and the Bank (as modified  from time to time,
the  "Credit  Agreement"),  and  interest  thereon  as  required  by the  Credit
Agreement.

         This Promissory Note ("Note") is given in renewal and  substitution for
the  Promissory  Note of Virbac,  Inc. to the Bank dated  January 1, 1998 in the
principal  amount of  $4,000,000,  and is  subject  to the  terms of the  Credit
Agreement.  Capitalized  terms used herein but not defined herein shall have the
meanings  specified by the Credit  Agreement.  Pursuant to the Credit Agreement,
the  Borrower's  obligations  under  this  Note  may  be  accelerated  upon  the
occurrence of an Event of Default.

         The Bank shall  record in its records all  Revolving  Advances  and all
payments of principal and interest thereon. Any failure of the Bank to make such
recordings, however, shall not affect the Borrower's repayment obligations under
this Note. The Bank's records shall be presumptive evidence of the principal and
interest owed by the Borrower.

         It is contemplated  that because of prepayments there may be times when
no indebtedness is owed under this Note. Notwithstanding such prepayments,  this
Note shall  remain  valid and shall be in force as to  Revolving  Advances  made
pursuant to the Credit Agreement after such prepayments.

         It is the intention of the Bank and the Borrower to conform strictly to
any  applicable  usury  laws.  Accordingly,  the terms of the  Credit  Agreement
relating to the prevention of usury will be strictly followed.




                                                         1

<PAGE>



         This  Note  shall  be  governed  by,  and  construed  and  enforced  in
accordance with, the laws of New York.



VIRBAC AH, INC.


By:                                                  
Name:                                                
Title:                                               


DL:  1035306v4
                          2

<PAGE>



                                                     EXHIBIT C

                                                 FORM OF TERM NOTE

                                                  PROMISSORY NOTE

$5,000,000                                                         March 5, 1999

         Virbac  AH,  Inc.,  a  Delaware  corporation  ("Borrower"),  for  value
received,  hereby  promises  to pay to the order of Societe  Generale,  New York
Branch ("Bank"),  the principal sum of Five Million Dollars  ($5,000,000) or, if
less, the aggregate  outstanding principal amount of Term Advances made pursuant
to the Credit  Agreement  dated as of July 6, 1994  between the Borrower and the
Bank (as  modified  from time to time,  the "Credit  Agreement"),  and  interest
thereon as required by the Credit Agreement.

         This Promissory  Note ("Note") is given in renewal and  substitution of
that certain  Promissory  Note dated  January 1, 1998 in the original  amount of
$5,000,000  from  Virbac,  Inc.  to the Bank and is  subject to the terms of the
Credit  Agreement.  Capitalized terms used herein but not defined shall have the
meanings  specified by the Credit  Agreement.  Pursuant to the Credit Agreement,
the  Borrower's  obligations  under  this  Note  may  be  accelerated  upon  the
occurrence of an Event of Default.

         The Bank shall  record in its records all  payments  of  principal  and
interest  thereon.  Any  failure of the Bank to make such  recordings,  however,
shall not affect  the  Borrower's  repayment  obligations  under this Note.  The
Bank's records shall be presumptive  evidence of the principal and interest owed
by the Borrower.

         It is the intention of the Bank and the Borrower to conform strictly to
any  applicable  usury  laws.  Accordingly,  the terms of the  Credit  Agreement
relating to the prevention of usury will be strictly followed.

         This  Note  shall  be  governed  by,  and  construed  and  enforced  in
accordance with, the laws of New York.

VIRBAC AH, INC.


By:                                                  
Name:                                                
Title:                                               



                          1

<PAGE>



                                      EXHIBIT D

                                CERTIFICATE OF SECRETARY

         The  undersigned  Secretary of VIRBAC AH, INC., a Delaware  corporation
("Company"),  does  hereby  certify to SOCIETE  GENERALE,  NEW YORK  BRANCH (the
"Bank") in connection with the Fourth  Amendment  Agreement dated as of March 5,
1999  ("Agreement")  amending the Credit  Agreement dated as of July 6, 1994, as
amended, between the Company and the Bank, as follows:

         1. Attached hereto as Annex 1 is a true and correct copy of resolutions
duly adopted by the Board of Directors of the Company, and such resolutions have
not been altered,  amended,  rescinded or repealed and are now in full force and
effect.

         2. The copies of the Certificate of Incorporation and the Bylaws of the
Company attached as Annexes 2 and 3, respectively, hereto, are true and correct,
have not been altered, amended,  rescinded or repealed and are now in full force
and effect.

         3. The person who, as an officer of the Company,  signed the  Agreement
was at the time of such signing and delivery and is now duly elected,  qualified
and acting as such officer,  and the signature appearing on such document is the
genuine signature of such officer.

         4. The Company is duly  organized  and  existing  under the laws of the
State of  Delaware,  all  franchise  and other taxes  required  to maintain  its
corporate existence have been paid when due and no such taxes are delinquent; no
proceedings are pending for the forfeiture of its  Certificate of  Incorporation
or for its dissolution, voluntarily or involuntarily.

         5. There is no provision in the Certificate of  Incorporation or Bylaws
of the Company  limiting  the power of the Board of  Directors of the Company to
pass the resolutions referenced in paragraph 1.

         6. The  following  persons  are as of the  date  hereof  duly  elected,
qualified  and acting  officers  of the  Company  holding  the offices set forth
below,  and the signature  appearing next to such person's name is such person's
genuine signature:


              Name                    Signature               Office
Brian A. Crook                                                President
Robert J. Elfanbaum                                 Vice President and Secretary

         IN WITNESS  WHEREOF,  I have  hereunto  signed my name as of the day of
March 1999.


                                                       Robert D. Elfanbaum


                                                         2

<TABLE> <S> <C>


<ARTICLE>                               5
        
<S>                                     <C>
<PERIOD-TYPE>                           3-MOS
<FISCAL-YEAR-END>                       DEC-31-1999
<PERIOD-END>                            MAR-31-1999
<CASH>                                  0
<SECURITIES>                            0
<RECEIVABLES>                           6,287,170
<ALLOWANCES>                            0
<INVENTORY>                             11,323,520
<CURRENT-ASSETS>                        19,373,446
<PP&E>                                  13,180,781
<DEPRECIATION>                          0
<TOTAL-ASSETS>                          40,363,995
<CURRENT-LIABILITIES>                   7,519,656
<BONDS>                                 0
                   0
                             0
<COMMON>                                219,757
<OTHER-SE>                              29,395,195
<TOTAL-LIABILITY-AND-EQUITY>            40,363,995
<SALES>                                 7,719,983
<TOTAL-REVENUES>                        7,719,983
<CGS>                                   3,829,869
<TOTAL-COSTS>                           3,829,869
<OTHER-EXPENSES>                        0
<LOSS-PROVISION>                        0
<INTEREST-EXPENSE>                      116,644
<INCOME-PRETAX>                         12,014
<INCOME-TAX>                            0
<INCOME-CONTINUING>                     12,014
<DISCONTINUED>                          0
<EXTRAORDINARY>                         0
<CHANGES>                               0
<NET-INCOME>                            12,014
<EPS-PRIMARY>                           0.00
<EPS-DILUTED>                           0.00
        


</TABLE>


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