title: [Plasma progesterone in mares showing oestrus during early pregnancy (author's transl)].
abstract: Sixtyfour mares were examined 3 and 6 weeks after mating. Progesterone was measured in 22 mares 3 weeks after mating in order to see if this could be of any help in the oestrous diagnosis. None of the pregnant mares had plasma progesterone below 2 ng/ml. Pregnant mares that did not show oestrus had higher levels of plasma progesterone than pregnant mares showing signs of oestrus 3 weeks after mating. Clinical findings in pregnant and nonpregnant mares 3 weeks after mating is compared, and oestrus in pregnant mares is discussed.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D006736:Horses / Q000378:metabolism*; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood*; D013997:Time Factors
chemical_list: D011374:Progesterone
vernacular_title: Plasmaprogesteron hos hopper som viser brunst under tidlig drektighet