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Effect of some hormones on reproductive performance and some

Author(s): F. T. Juma | N. N. Maroff | K. T. Mahmood

Journal: Iraqi Journal of Veterinary Sciences
ISSN 1607-3894

Volume: 23;
Issue: 2;
Start page: 57;
Date: 2009;
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Keywords: Black goat | Prostaglandin | Estrus synchronization

In randomized block design, 58 indigenous black mountain goats were examined for the effect of different hormonal treatments in inducing oestrus on selected biochemical characteristics of blood serum that were (aspartate transaminase, AST. Alanine transaminase ALT, Akaline phosphatase, ALP, total protein, albumin and total cholesterol). The animals were randomly assigned into four groups according to their treatment. The control group (C) consisted of 10 females whereas the rest of the groups, each consisted of 12 females. The treatments included a double PGF2α (Dinoprost tromethamine) intramuscular injection (5 mg) at a time interval of 11 days plus an intramuscular injection of pregnant mare serum (PMSG) (400I. Uand 600I. U.) two days before second injection for (treatments, TI, T2) respectively. Treatment (T3) was as that of T1 except PMSG was not injected. T4 was treated as T3 plus an intramuscular injection of gonadotropin releasing hormone (GnRH) (12. 5µg) after 24 hours of second injection of PGF2α was added. The results indicated that oestrus was higher (P

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