[Appearance and maintenance of unseasonable sex cycles in domestic ducks placed for 3 years in total darkness].
D000818:Animals; D001717:Birds; D003624:Darkness; D004372:Ducks; D005298:Fertility; D006066:Gonads / Q000502:physiology*; D006801:Humans; D008460:Meat; D011200:Poultry
FOWLS, DOMESTIC; GONADS/physiology
Apparition et maintien de cycles sexuels non saisonniers chez le canard domestique placé pendant plus de trois ans à l'obscurite totale.