title: The effect of implanted gonadal hormones on feather pecking and cannibalism in pullets.
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002645:Chickens / Q000502:physiology*; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology; D005241:Feathers; D005260:Female; D012739:Gonadal Steroid Hormones / Q000008:administration & dosage*; D010060:Ovulation; D011201:Poultry Diseases / Q000517:prevention & control; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology; D013739:Testosterone / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D012739:Gonadal Steroid Hormones; D013739:Testosterone; D011374:Progesterone; D004958:Estradiol