Seasonal variation in plasma concentrations of prolactin in castrated rams of breeds of sheep with different seasonality of reproduction.
D000818:Animals; D001947:Breeding; D002369:Castration; D008297:Male; D011388:Prolactin / Q000097:blood*; D012098:Reproduction; D012621:Seasons; D012756:Sheep / Q000097:blood / Q000502:physiology*
D011388:Prolactin