Reference : Diurnal variations of sexual receptivity in the female Japanese quail (Coturnix cotur...
Scientific journals : Article
Life sciences : Zoology
Social & behavioral sciences, psychology : Neurosciences & behavior
http://hdl.handle.net/2268/95780
Diurnal variations of sexual receptivity in the female Japanese quail (Coturnix coturnix japonica).
English
Delville, Y. [> > > >]
Sulon, J. [> > > >]
Balthazart, Jacques mailto [ > > ]
1986
Hormones and Behavior
Academic Press
20
1
13-33
Yes (verified by ORBi)
International
0018-506X
1095-6867
San Diego
CA
[en] Animals ; Circadian Rhythm ; Coturnix/physiology ; Environment, Controlled ; Estradiol/blood ; Estrus ; Female ; Light ; Male ; Ovariectomy ; Ovary/physiology ; Oviposition ; Progesterone/blood ; Quail/physiology ; Sexual Behavior, Animal/physiology
[en] A series of experiments was performed to study the changes during the day of female receptivity in Japanese quail. In each experiment, the frequency of squatting and the percentage of male approaches which were followed by squatting increased at the end of the day, approximately 11 to 13 hr after lights on (in a photoperiod of 16L:8D). In some cases this increased receptivity was associated with a significant decrease of the long-avoid frequency. Analyses are presented which demonstrate that the increased receptivity at the end of the day is not directly caused by the oviposition and does not result directly from changes in the behavior of the male stimuli. This is strongly supported by the observation that the increase in receptivity was observed at the same time after lights on (but different clock times) in two groups of females which were raised in two different photoperiods shifted by 6 hr and tested with the same group of males raised in one of the two photoperiods. The increase in receptivity coincides with an increase in plasma estradiol and progesterone. Considering that this behavior is suppressed by ovariectomy, it is argued that the daily changes in receptivity could be controlled by the hormonal changes associated with the ovulatory cycle.
http://hdl.handle.net/2268/95780

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