(19)

(11)

EP 0 153 940 A1

(12)

(43) Date of publication: 11.09.1985 Bulletin 1985/37 (21) Application number: 84903185.0 (22) Date of filing: 29.08.1984

(51) International Patent Classification (IPC):  A01K 7/ 00( . ) A01K 39/ 04( . ) (86) International application number: PCT/GB1984/000300 (87) International publication number: WO 1985/000978 (14.03.1985 Gazette 1985/07)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 30.08.1983 GB 19830023258 (71) Applicant: Steer, Clive A. Leatherhead Surrey KT24 6EW (GB)	(72) Inventor: Steer, Clive A. Leatherhead Surrey KT24 6EW (GB)