title: Effect of photoperiod on the decline in behavioural responsiveness to intra-hypothalamic androgen in doves (Streptopelia risoria).
mesh_terms: D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D001717:Birds; D002369:Castration; D003380:Courtship / Q000187:drug effects; D003692:Delayed-Action Preparations; D007031:Hypothalamus / Q000187:drug effects; D008027:Light; D008297:Male; D010507:Periodicity; D013739:Testosterone / Q000494:pharmacology*
chemical_list: D003692:Delayed-Action Preparations; D013739:Testosterone