title: A relationship between coccidiosis and dietary vitamin A levels in chickens.
mesh_terms: D000284:Administration, Oral; D000821:Animal Feed; D000818:Animals; D002645:Chickens / Q000378:metabolism*; D003048:Coccidiosis / Q000378:metabolism / Q000662:veterinary*; D008099:Liver / Q000032:analysis; D008297:Male; D009751:Nutritional Requirements; D011201:Poultry Diseases / Q000378:metabolism*; D014801:Vitamin A / Q000008:administration & dosage / Q000032:analysis / Q000097:blood / Q000378:metabolism*
chemical_list: D014801:Vitamin A