[Breeding fitness testing of young bulls].
D000818:Animals; D001947:Breeding; D002417:Cattle; D005859:Germany, East; D007315:Insemination, Artificial / Q000592:standards / Q000662:veterinary*; D008297:Male; D013094:Spermatozoa / Q000378:metabolism
Zur Zuchttauglichkeitsprüfung von Jungbullen.