title: Luteinizing hormone-releasing factor (LRF) and reproductive behavior in male doves exposed to long and short photoperiods.
abstract: In order to determine whether the variable degree of nest-building behavior displayed by male doves exposed to different photoregimes is related to differences in luteinizing hormone-releasing factor (LRF) levels, androgen-treated castrates held on long (16L:8D) or short (8L:16D) daylengths were treated with 20 microgram LRF or saline daily. Birds in both groups exhibited higher levels of initial courtship and nest-building when held on long days. LRF treatment had no effect on any of the behavior patterns examined. The results suggest that photoperiod does not affect reproductive behavior in male doves through changes in endogenous levels of LRF.
mesh_terms: D000818:Animals; D010856:Columbidae; D005260:Female; D007987:Gonadotropin-Releasing Hormone / Q000502:physiology*; D008027:Light; D008297:Male; D012726:Sexual Behavior, Animal / Q000528:radiation effects*; D013739:Testosterone / Q000494:pharmacology; D013997:Time Factors
chemical_list: D007987:Gonadotropin-Releasing Hormone; D013739:Testosterone