Effects of feed processing method and diet form on the incidence of esophagogastric ulcers in swine.
D000821:Animal Feed; D000818:Animals; D004942:Esophagitis, Peptic / Q000209:etiology / Q000662:veterinary*; D005502:Food; D013276:Stomach Ulcer / Q000209:etiology / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000209:etiology*; D014801:Vitamin A
D014801:Vitamin A