The effect of environmental stimuli on the circadian rhythm of prolactin production in the duck (Anas platyrhynchos).
D000818:Animals; D002940:Circadian Rhythm; D003681:Dehydration / Q000378:metabolism; D004372:Ducks / Q000378:metabolism*; D004435:Eating; D008027:Light; D011388:Prolactin / Q000096:biosynthesis*; D012491:Salt Gland / Q000378:metabolism
D011388:Prolactin