مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

RESEARCH ARTICLE: EFFECT OF GONADOTROPIN RELEASING HORMONE TREATMENT ON SEMEN CHARACTERISTICS AND ENZYMATIC ACTIVITIES OF AWASSI RAMS IN BREEDING AND NON BREEDING SEASONS

Pages

  13-19

Abstract

 This study was aimed to evaluate the effect of GNRH injection on SEMEN ejaculate characteristics in AWASSI RAMS collected in breeding and non-breeding seasons. The study was conducted in late summer to early au-tumn when breeding activity commences, and in winter during the non-breeding season. Twelve mature AWASSI RAMS were used in this study. Animals were randomly allocated into two equal groups, the experi-mental group received 50 μg IM of GNRH weekly and the control group received 1 ml of saline. Libido was assessed and SEMEN samples were collected from the AWASSI RAMS 24 hours after IM administration. Scrotal circumference (SC) and testicular volume were measured weekly during the study period. Ejaculates were collected 24 hours after each GNRH/saline administration and assessed for volume, sperm concentration, mass and individual motility, live sperm and sperm abnormalities. Seminal plasma was assayed for the estimation of alanine amino transferase (ALT), aspartate amino transferase (AST), acid phosphatase (ACP), alkaline phosphatase (ALP) and lactic dehydrogenase (LDH). Results show that GNRH treatment improves SEMEN volume, total ejaculated sperm and reaction time in both breeding and non-breeding seasons com-pared to control (P<0.05). However, GNRH treatment reduces the activity of LDH in both seasons. Other seminal traits show similar values for both seasons. In conclusion, GNRH treatment of AWASSI RAMS im-proved libido, SEMEN volume, sperm numbers, but not sperm viability.

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    APA: Copy

    AZAWI, O.I., AL KHASHAB, A.N.T.M., & AL KADOO, N.N.A.. (2012). RESEARCH ARTICLE: EFFECT OF GONADOTROPIN RELEASING HORMONE TREATMENT ON SEMEN CHARACTERISTICS AND ENZYMATIC ACTIVITIES OF AWASSI RAMS IN BREEDING AND NON BREEDING SEASONS. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, 2(1), 13-19. SID. https://sid.ir/paper/574317/en

    Vancouver: Copy

    AZAWI O.I., AL KHASHAB A.N.T.M., AL KADOO N.N.A.. RESEARCH ARTICLE: EFFECT OF GONADOTROPIN RELEASING HORMONE TREATMENT ON SEMEN CHARACTERISTICS AND ENZYMATIC ACTIVITIES OF AWASSI RAMS IN BREEDING AND NON BREEDING SEASONS. IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE[Internet]. 2012;2(1):13-19. Available from: https://sid.ir/paper/574317/en

    IEEE: Copy

    O.I. AZAWI, A.N.T.M. AL KHASHAB, and N.N.A. AL KADOO, “RESEARCH ARTICLE: EFFECT OF GONADOTROPIN RELEASING HORMONE TREATMENT ON SEMEN CHARACTERISTICS AND ENZYMATIC ACTIVITIES OF AWASSI RAMS IN BREEDING AND NON BREEDING SEASONS,” IRANIAN JOURNAL OF APPLIED ANIMAL SCIENCE, vol. 2, no. 1, pp. 13–19, 2012, [Online]. Available: https://sid.ir/paper/574317/en

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