title: Effectiveness of carotene and failure of ascorbic acid to increase sexual activity and semen quality of vitamin A deficient beef bulls.
mesh_terms: D000818:Animals; D001205:Ascorbic Acid; D002338:Carotenoids; D002417:Cattle; D008297:Male; D055101:Semen Analysis; D012725:Sexual Behavior; D014801:Vitamin A; D014815:Vitamins
chemical_list: D014815:Vitamins; D014801:Vitamin A; D002338:Carotenoids; D001205:Ascorbic Acid
keywords: ASCORBIC ACID; CAROTENE; VITAMINS/A