EXHIBIT 23.1
CONSENT OF DELOITTE & TOUCHE
The Directors
Huntingdon Life Sciences Group plc
Woolley Road
Alconbury
Huntingdon
PE28 4HS
Attention: Julian Griffiths
24 August 2000
Our Ref: LE0008008/SK 1
Dear Sirs
Form S-8 registration statement
We consent to the inclusion of our report dated March 30, 2000 on the Company's
Form 10-K for the year ended 31 December 1999, which is incorporated by
reference into the Form S-8 registration statement in connection with the
ordinary shares to be issued into the US 401-K plan.
Yours faithfully,
Deloitte & Touche
Chartered Accountants
Cambridge
England
