Selectie tegen gevoeligheid voor scrapie met behoud van genetische variatie = Selection against scrapie susceptibility while maintaining within breed genetic variation

Abstract

National legislation to breed for scrapie resistence was changed in 2007. The obligatory use of ARR/ARR rams was suspended in that year. Breeding for scrapie resistance is, however, still stimulated and not suspended. In this report a general advice on how to continue breeding for scrapie resistance is presented. A one day meeting on breeding in small breeds of sheep and goats provided further information and attracted much interest. A specific analysis was carried out for 2 small Dutch sheep breeds, the Black blazed sheep (Zwartbles) and the Dutch Milksheep (Melkschaap