title: [Vitamin A and beta-carotene levels in the blood plasma of calves during the milking period under various conditions of central rearing].
mesh_terms: D000222:Adaptation, Physiological; D000821:Animal Feed; D000822:Animal Husbandry; D000818:Animals; D000831:Animals, Newborn; D002338:Carotenoids / Q000097:blood*; D002417:Cattle; D005260:Female; D006799:Housing, Animal; D007774:Lactation; D011247:Pregnancy; D013997:Time Factors; D014801:Vitamin A / Q000097:blood*
chemical_list: D014801:Vitamin A; D002338:Carotenoids
vernacular_title: Hladina vitamínu A a beta-karoténu v krevní plazmĕ telat v mlécném období pri rozdílných formách centrálního odchovu.