Seasonal variation of prolactin in plasma of male goats.
D000818:Animals; D002940:Circadian Rhythm; D006041:Goats; D008027:Light; D008297:Male; D011388:Prolactin / Q000097:blood*; D011863:Radioimmunoassay; D012621:Seasons; D013696:Temperature
D011388:Prolactin