Genetic variation in the secretion of oestrogen in the ewe.
D000818:Animals; D004958:Estradiol / Q000097:blood / Q000378:metabolism*; D005260:Female; D010053:Ovary / Q000378:metabolism*; D011374:Progesterone / Q000097:blood; D012756:Sheep / Q000235:genetics*
D011374:Progesterone; D004958:Estradiol