(19)

(11)

EP 4 351 341 A1

(12)

(43) Date of publication: 17.04.2024 Bulletin 2024/16 (21) Application number: 22733385.3 (22) Date of filing: 10.06.2022

(51) International Patent Classification (IPC):  A01N 43/80(2006.01) A01P 7/02(2006.01) A61K 31/422(2006.01) A61K 31/437(2006.01) A61P 33/00(2006.01) A01N 43/90(2006.01) A61K 31/42(2006.01) A61K 31/4353(2006.01) A61K 31/4375(2006.01) A61P 33/14(2006.01) (52) Cooperative Patent Classification (CPC): A61K 31/42; A61K 31/422; A61K 31/4375; A61K 31/4353; A61K 31/437; A61P 33/00; A61P 33/14; A01N 43/80; A01P 7/02; A01N 43/90 (86) International application number: PCT/EP2022/065798 (87) International publication number: WO 2022/258797 (15.12.2022 Gazette 2022/50)

(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 Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.06.2021 EP 21179073 (71) Applicant: Intervet International B.V. 5831 AN Boxmeer (NL)	(72) Inventors: WILLIAMS, Heike 55270 Schwabenheim (DE) ZOLLER, Hartmut 55270 Schwabenheim (DE) (74) Representative: Intervet International B.V.  Wim de Körverstraat 35 5831 AN Boxmeer 5831 AN Boxmeer (NL)