Selenium as a feed additive.
D000821:Animal Feed / Q000592:standards*; D000818:Animals; D002645:Chickens; D005260:Female; D005503:Food Additives / Q000592:standards*; D005515:Food Labeling; D012643:Selenium / Q000008:administration & dosage*; D012964:Sodium / Q000008:administration & dosage; D013552:Swine; D014422:Turkeys; D014481:United States; D014486:United States Food and Drug Administration
D005503:Food Additives; D012964:Sodium; D012643:Selenium