Snout-rubbing as a vice in weaned pigs.
Snout rubbing led to ulceration and necrosis in pigs subjected to it. Only animals of specific colouring were attacked.
D000818:Animals; D001522:Behavior, Animal; D003624:Darkness; D005260:Female; D006799:Housing, Animal; D008297:Male; D009132:Muscles / Q000293:injuries / Q000473:pathology; D009336:Necrosis; D009666:Nose; D012867:Skin / Q000293:injuries* / Q000473:pathology; D012880:Skin Pigmentation; D012883:Skin Ulcer / Q000473:pathology / Q000662:veterinary; D013552:Swine; D013553:Swine Diseases / Q000209:etiology* / Q000473:pathology / Q000517:prevention & control