EFFECT OF PLACENTAL EXTRACT INJECTION ON SOME PHYSIOLOGICAL AND PRODUCTIVE TRAITS OF MALE AND FEMALE AWASSI LAMBS

The study was conducted at the Agricultural Research Station for two months. Thirty Awassi lambs divided into 15 males and 15 females (aged 3 months and 22 kg ±800 g weight). The animal groups were randomly distributed into three transactions (5 lambs of each sex / group), the first group was considered as control group, the second and third were injected with sheep placenta extract (SPE) (2 and 4 ml/ head / week), respectively. The first treatment was significantly (P≤0.05) superior to the second treatment in body weight. The results also did not show any significant effect of placental extract treatments on the blood physiological indices and compared to control, except for MCH level, which was significantly (P≤0.05) lower in the first treatment than in second treatment. A significant (P≤0.05) effect of animal sex was observed with a higher concentration of Hb , RBC, PCV, WBC and AST enzyme in lambs females than in males, Cholesterol and LDL levels were significantly (P≤0.05) higher in the second treatment compared to control. In addition, there was a significant (P≤0.05) increase in HDL and glucose level in the treatment groups compared to the control. The results in this study indicated that the administration of sheep placenta extract did not have negative effects on the productive and physiological performance of lambs.