(19)

(11)

EP 2 003 957 A2

(12)

(88) Date of publication A3: 22.11.2007 (43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07747707.3 (22) Date of filing: 12.04.2007

(51) International Patent Classification (IPC):  A01K 1/12(2006.01) (86) International application number: PCT/NZ2007/000079 (87) International publication number: WO 2007/117162 (18.10.2007 Gazette 2007/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 12.04.2006 NZ 54656506 (71) Applicant: DeLaval Holding AB 147 21 Tumba (SE)	(72) Inventor: CHAPMAN, John New Plymouth (NZ) (74) Representative: Israelsson, Stefan  Bjerkéns Patentbyra KB Östermalmsgatan 58 114 50 Stockholm 114 50 Stockholm (SE)