title: Antibiotic growth promotion: effects of zinc bacitracin and oxytetracycline on the digestive, circulatory, and excretory systems of New Hampshire cockerels.
mesh_terms: D000818:Animals; D001414:Bacitracin / Q000494:pharmacology*; D002432:Cecum / Q000033:anatomy & histology / Q000187:drug effects; D003106:Colon / Q000033:anatomy & histology / Q000187:drug effects; D003426:Crop, Avian / Q000033:anatomy & histology / Q000187:drug effects; D004064:Digestive System / Q000187:drug effects*; D006321:Heart / Q000033:anatomy & histology / Q000187:drug effects*; D007421:Intestine, Small / Q000033:anatomy & histology / Q000187:drug effects; D007668:Kidney / Q000033:anatomy & histology / Q000187:drug effects*; D008099:Liver / Q000033:anatomy & histology / Q000187:drug effects; D008297:Male; D009929:Organ Size; D010118:Oxytetracycline / Q000494:pharmacology*; D011200:Poultry; D011531:Proventriculus / Q000033:anatomy & histology / Q000187:drug effects; D015032:Zinc / Q000494:pharmacology
chemical_list: D001414:Bacitracin; D015032:Zinc; D010118:Oxytetracycline