Serum luteinizing hormone and plasma progesterone levels during the estrous cycle and early pregnancy in cows.
D000818:Animals; D002417:Cattle / Q000378:metabolism*; D004971:Estrus; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay; D013997:Time Factors
D011374:Progesterone; D007986:Luteinizing Hormone