title: Estrogen facilitation of progesterone-induced incubation behavior in castrated male ring doves.
mesh_terms: D000818:Animals; D002369:Castration; D010856:Columbidae; D003380:Courtship; D004958:Estradiol / Q000008:administration & dosage / Q000494:pharmacology* / Q000502:physiology; D005260:Female; D006185:Habituation, Psychophysiologic / Q000187:drug effects; D007273:Injections, Intramuscular; D008297:Male; D009425:Nesting Behavior / Q000187:drug effects; D011374:Progesterone / Q000008:administration & dosage / Q000494:pharmacology* / Q000502:physiology; D012737:Sex Factors; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D013739:Testosterone / Q000494:pharmacology; D014828:Vocalization, Animal / Q000187:drug effects
chemical_list: D013739:Testosterone; D011374:Progesterone; D004958:Estradiol