Sterilization of bulls.
D000818:Animals; D002369:Castration / Q000662:veterinary; D002417:Cattle; D008297:Male; D008722:Methods; D013094:Spermatozoa / Q000032:analysis; D013245:Sterilization, Reproductive / Q000662:veterinary*; D014649:Vas Deferens / Q000601:surgery