(19)

(11)

EP 2 658 367 A1

(12)

(43) Date of publication: 06.11.2013 Bulletin 2013/45 (21) Application number: 11819032.1 (22) Date of filing: 27.12.2011

(51) International Patent Classification (IPC):  A01K 1/12(2006.01) (86) International application number: PCT/SE2011/051590 (87) International publication number: WO 2012/091666 (05.07.2012 Gazette 2012/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 29.12.2010 GB 201022057 29.12.2010 US 201061427983 P (71) Applicant: DeLaval Holding AB 147 21 Tumba (SE)	(72) Inventors: ERIKSSON, Jan S-147 63 Uttran (SE) LIDBERG, Mikael 117 56 Stockholm (SE) (74) Representative: Zacco Denmark A/S  Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)