AVMA revises pregnant sow housing policy.
D000827:Animal Welfare / Q000331:legislation & jurisprudence; D000818:Animals; D005260:Female; D006799:Housing, Animal / Q000331:legislation & jurisprudence / Q000592:standards*; D007886:Legislation, Veterinary; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology* / Q000523:psychology; D012952:Societies; D013312:Stress, Physiological / Q000209:etiology / Q000662:veterinary; D013552:Swine / Q000502:physiology* / Q000523:psychology; D014481:United States