title: Models for prediction of days to first ovulation based on changes in endocrine and nonendocrine traits during the first two weeks postpartum in Holstein cows.
mesh_terms: D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000502:physiology*; D004958:Estradiol / Q000097:blood; D004971:Estrus; D005260:Female; D005938:Glucocorticoids / Q000097:blood; D007774:Lactation; D008954:Models, Biological; D010060:Ovulation; D049590:Postpartum Period; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D013997:Time Factors
chemical_list: D005938:Glucocorticoids; D011374:Progesterone; D004958:Estradiol