Examen de Precompra Incidence of osteochondrosis (dissecans) in Dutch warmblood horses presented for pre-purchase examination Modelo Clínica Burg Mueggenhausen Modelo BEVA Modelo EQUISAN Modelo Holandés Standard radiographs according to the “Röntgenleitfaden” The Veterinary Protocol for the Examination of Racehorses for Importation into Hong Kong Blue Book (NZEVA)