Some hormones involved in the nesting behaviour of hens.
D000818:Animals; D002369:Castration; D002645:Chickens; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology*; D005260:Female; D009425:Nesting Behavior / Q000187:drug effects*; D010053:Ovary / Q000502:physiology; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology*
D011374:Progesterone; D004958:Estradiol