title: Effects of vitamins A, D3, E, and C on the characteristics of bull semen.
mesh_terms: D000818:Animals; D001205:Ascorbic Acid / Q000494:pharmacology*; D002417:Cattle / Q000235:genetics / Q000502:physiology*; D002762:Cholecalciferol / Q000494:pharmacology*; D008297:Male; D012661:Semen / Q000187:drug effects*; D013081:Sperm Motility / Q000187:drug effects; D013094:Spermatozoa / Q000002:abnormalities / Q000187:drug effects; D014801:Vitamin A / Q000494:pharmacology*; D014810:Vitamin E / Q000494:pharmacology*
chemical_list: D014801:Vitamin A; D014810:Vitamin E; D002762:Cholecalciferol; D001205:Ascorbic Acid