The use of milk progesterone radioimmunoassay in the diagnosis and treatment of subfertility in dairy cows.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D004971:Estrus; D005260:Female; D005298:Fertility; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis*; D011863:Radioimmunoassay
D011374:Progesterone