title: Effect of vitamin A and protein levels on growth and semen quality of turkeys.
mesh_terms: D000818:Animals; D004044:Dietary Proteins / Q000008:administration & dosage*; D008297:Male; D012661:Semen / Q000166:cytology; D013091:Spermatogenesis; D013094:Spermatozoa / Q000166:cytology; D014422:Turkeys / Q000254:growth & development* / Q000502:physiology; D014801:Vitamin A / Q000097:blood / Q000494:pharmacology*
chemical_list: D004044:Dietary Proteins; D014801:Vitamin A