[Comparative study of the thyroid activity of the normal or castrated drake, or the drake maintained in permanent darkness. I. Period of seasonal sexual activity].
D002369:Castration; D003624:Darkness; D006801:Humans; D008297:Male; D009919:Orchiectomy; D012621:Seasons; D012725:Sexual Behavior; D013737:Testis / Q000502:physiology*; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*; D014781:Viscera
CASTRATION/experimental; DARKNESS; TESTIS/physiology; THYROID GLAND/physiology