Bull wastage in beef cattle.
D000367:Age Factors; D000818:Animals; D001835:Body Weight; D001947:Breeding; D002417:Cattle; D005298:Fertility; D005832:Genital Diseases, Male / Q000662:veterinary; D007592:Joint Diseases / Q000662:veterinary; D007634:Keratitis / Q000662:veterinary; D008297:Male