Examination of blood cortisol and some parameters at parturition and on 30th day postpartum in single and twin - pregnant ewes

Lambs gain about 70 % of their birth weight in the last 6 weeks pregnancy. In this period, many physiological events occur ewe metabolism. The increase number fetuses also affects these events. aim study was to determine effect single and twin pregnancy on serum cortisol, glucose, triglyceride, HDL-cholesterol, total protein, cholesterol, calcium phosphorus levels at postpartum days. This conducted 2 - 3 aged (n = 11) 8) pregnant Anatolian Merino ewes which housed Department Animal Breeding Production Konya Bahri Da?da? International Agricultural Research Institute Turkey. Blood samples were collected from jugular vein immediately after parturition 30th day ewes. According data obtained, differences between cortisol values found statistically significant. significant for glucose triglyceride conclusion, it can be said that some blood parameters are affected by fetuses.