(19)

(11)

EP 0 268 675 A1

(12)

(43) Date of publication: 01.06.1988 Bulletin 1988/22 (21) Application number: 87905007.0 (22) Date of filing: 10.06.1987

(51) International Patent Classification (IPC):  A01K 85/ 01( . ) A01K 97/ 04( . ) (86) International application number: PCT/US1987/001307 (87) International publication number: WO 1987/007476 (17.12.1987 Gazette 1987/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 11.06.1986 US 19860872834 02.12.1986 US 19860936791 (71) Applicant: UNIVERSITY OF FLORIDA Gainesville, Florida 32611 (US)	(72) Inventors: CARR, William, E., S. St. Augustine, FL 32086 (US) BEATTY, Charles, L. Gainesville, FL 32603 (US) (74) Representative: Hedley, Nicholas James Matthew, et al  Stephenson Harwood One, St. Paul's Churchyard London EC4M 8SH London EC4M 8SH (GB)