Tail-biting in pigs: a possible sex incidence.
D000818:Animals; D001522:Behavior, Animal; D001733:Bites and Stings / Q000662:veterinary*; D004431:Ear, External / Q000293:injuries; D005260:Female; D006614:Hindlimb / Q000293:injuries; D008297:Male; D012737:Sex Factors; D013552:Swine; D013623:Tail / Q000293:injuries*