(19)

(11)

EP 0 929 814 A1

(12)

(43) Date of publication: 21.07.1999 Bulletin 1999/29 (21) Application number: 97944024.0 (22) Date of filing: 07.10.1997

(51) International Patent Classification (IPC):  C12Q 1/ 68( . ) G01N 33/ 68( . ) (86) International application number: PCT/GB1997/002741 (87) International publication number: WO 1998/015837 (16.04.1998 Gazette 1998/15)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 07.10.1996 GB 19960020904 18.02.1997 GB 19970003350 20.03.1997 GB 19970005796 09.09.1997 GB 19970019002 (71) Applicant: MEAT AND LIVESTOCK COMMISSION Snowdon Drive, Milton Keynes MK6 1AX (GB)	(72) Inventors: MALTIN, Charlotte, Anne Aberdeenshire AB5 0NA (GB) STEVEN, John Aberdeenshire AB42 4QZ (GB) WARKUP, Christopher, Charles Milton Keynes MK6 3DQ (GB) (74) Representative: Ouzman, Beverley Nicola Claire, et al  Murgitroyd and Company, 373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)