title: [Evidence of a circadian sequence of photogonadsensitivity in the ferret].
abstract: Using "skeleton" photoperiods with a primary photofraction of 3 hrs. 30 min. and secondary photofraction of 30 min. located at various intervals after the onset of darkness, the occurrence of a photoinducible phase in the androgenic function has been evidenced in the Ferret. This photo-inducible phase seems to be located around 12 hrs. after the onset of the primary photofraction, since the ferrets who received the 30 min. photofraction 8 hrs. after the onset of darkness responded with a maximal increase in plasma testosterone.
mesh_terms: D000818:Animals; D002335:Carnivora / Q000502:physiology*; D002940:Circadian Rhythm / Q000528:radiation effects*; D005289:Ferrets / Q000502:physiology*; D008297:Male; D010775:Photic Stimulation; D013737:Testis / Q000378:metabolism*; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone
vernacular_title: Mise en évidence d'une séquence circadienne de photogonadosensibilité chez le furet.