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Online Journal of Veterinary Research©
Volume 23 (5):395-406, 2019.
Effect of calcium salt of palm oil, gonadotrophins, selenium, vitamin E and B12 supplement
on reproductive performance in uni and multiparous ewes.
Amir Hossein Asgari Safdar.
Department of Animal Sciences, Tehran Science and Research branch, Islamic Azad University, Tehran, Iran.
Asgari Safdar AH., Effect of calcium salt of palm oil, gonadotrophins, selenium, vitamin E and B12 supplement on reproductive performance in uni and multiparous ewes. Onl J Vet Res., 23 (5):395-406, 2019. Twenty uniparous and multiparous 48-50kg 3-4 year old ewes were fed a basal diet supplemented 6% calcium salt of palm oil and injected 500IU human chorionic gonadotrophin (HCG) intramuscularly. Another 20 ewes were given selenium, injected vitamin E and B12 with equine chorionic gonadotrophin (ECG). Ten control ewes were fed basal diet. Estrus was then synchronized by intravaginal progesterone controlled release (CIDR). Thirty six hours after CIDR removal ewes were bred with rams. Blood was taken for determination of insulin, glucose, estrogen, progesterone and cholesterol 24 hours before and after CIDR removal, and 14 days after breeding. Compared with controls, we found higher (P < 0.05) fertility and lambing in ewes given supplements and gonadotrophins with higher levels of estrogen, progesterone, and insulin after flushing.
Keywords: Fatty Acid Calcium Salt, HCG, Vitamin E and Selenium, Vitamin B12, Ewes.