Analysis of factors influencing reproductive performance of the dairy cow by progesterone assay in milk-fat.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D003612:Dairying; D005223:Fats / Q000032:analysis; D005260:Female; D005298:Fertility; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011374:Progesterone / Q000032:analysis*
D005223:Fats; D011374:Progesterone