A livestock producer's view of preventive medicine.
D000820:Animal Diseases / Q000517:prevention & control*; D000822:Animal Husbandry; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control; D011200:Poultry; D011201:Poultry Diseases / Q000517:prevention & control; D012756:Sheep; D012757:Sheep Diseases / Q000517:prevention & control