title: A re-assessment of the technique of rectal palpation of corpora lutea in cows.
mesh_terms: D000818:Animals; D001947:Breeding / Q000379:methods*; D002417:Cattle / Q000502:physiology*; D003338:Corpus Luteum; D004972:Estrus Detection / Q000379:methods*; D005260:Female; D008892:Milk / Q000032:analysis; D010173:Palpation / Q000662:veterinary*; D011374:Progesterone / Q000032:analysis; D012007:Rectum
chemical_list: D011374:Progesterone