Copper deficiency in cattle.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D003300:Copper / Q000172:deficiency*; D012643:Selenium / Q000172:deficiency*; D013455:Sulfur / Q000378:metabolism
D013455:Sulfur; D003300:Copper; D012643:Selenium