Ear-tipping for identification of neutered feral cats.
D000823:Animal Identification Systems; D000828:Animal Population Groups / Q000601:surgery*; D000818:Animals; D000835:Animals, Wild / Q000601:surgery*; D002369:Castration / Q000662:veterinary*; D002415:Cats / Q000601:surgery*; D004431:Ear, External / Q000601:surgery*; D005260:Female; D008297:Male; D006113:United Kingdom