title: Utilization of the carotene of hay by horses.
mesh_terms: D000821:Animal Feed / Q000032:analysis*; D000818:Animals; D002338:Carotenoids / Q000097:blood / Q000378:metabolism*; D006736:Horses / Q000378:metabolism*; D014801:Vitamin A / Q000097:blood
chemical_list: D014801:Vitamin A; D002338:Carotenoids