title: Effect of carotene deficient rations and supplemental vitamin A on gain, feed utilization and liver vitamin A of calves.
mesh_terms: D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001835:Body Weight; D002338:Carotenoids / Q000097:blood* / Q000378:metabolism; D002417:Cattle; D002418:Cattle Diseases; D005503:Food Additives / Q000494:pharmacology; D008099:Liver / Q000378:metabolism*; D006109:Poaceae / Q000378:metabolism; D014801:Vitamin A / Q000494:pharmacology*; D014802:Vitamin A Deficiency / Q000662:veterinary*
chemical_list: D005503:Food Additives; D014801:Vitamin A; D002338:Carotenoids