title: Changes in pig production in Britain and their effect on the veterinary profession.
mesh_terms: D000383:Agriculture; D000818:Animals; D001947:Breeding; D005823:Genetics; D007315:Insemination, Artificial; D012641:Selection, Genetic; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control; D014730:Veterinary Medicine