title: Tail-biting in pigs: a sex frequency between boars and gilts.
mesh_terms: D000818:Animals; D001733:Bites and Stings / Q000453:epidemiology / Q000662:veterinary*; D005260:Female; D008297:Male; D012737:Sex Factors; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology; D013623:Tail / Q000293:injuries*