The effect of nutritional stress on the plasma progestagen levels and embryonic mortality in twin pregnancies of mares.
Two thoroughbred mares bearing twins as diagnosed by rectal palpation, were subjected to nutritional stress by drastically reducing the daily ration. This resulted in a marked reduction in plasma progestagen levels and the death of either one or both of the twin embryos.
D000818:Animals; D005260:Female; D005313:Fetal Death / Q000209:etiology / Q000662:veterinary*; D006023:Glycoproteins; D006736:Horses / Q000378:metabolism*; D009751:Nutritional Requirements; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000097:blood*; D011272:Pregnancy, Multiple; D014427:Twins
D006023:Glycoproteins; D011257:Pregnancy Proteins