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Title

EFFECT OF HIGH ENERGY INTAKE IN SHORT-TERM ON GONADOTROPHINS SECRETION, AND OVULATION RATE OF CHAL EWES

Pages

  903-912

Abstract

 This study was conducted to investigate the effect of energy level in short-term on GONADOTROPHINs secretion and OVULATION RATE in fat-tailed ewes. Sixteen Chal cyclic ewes (2.5 years of age) were selected and received 250 mg Cloprostenol in -11 d and 0 d of the experiment period. Ewes were assigned in two groups (n=8) and received following treatments for 4 days. Ewes in group I were fed a diet providing 180% of maintenance energy requirement and ewes in group II were fed a diet providing 100% of maintenance energy requirement. For blood sampling (3 ml) three ewes were selected. Blood samples were collected at 20 minutes and hourly intervals for 3 hours in day 0, 2, 4 and 5 to determine secretary pattern of LH and FSH, respectively. After the treatment period, body weight (BW), body condition score (BCS) and OVULATION RATE (OR) were determined. BW, BCS And OR did not have any significant differences between two groups. Increase of ENERGY INTAKE did not affect significantly mean plasma concentration of FSH and LH, and LH pulse frequency and amplitude. Results indicated that OVULATION RATE and GONADOTROPHINs secretion pattern in fat-tail CHAL EWEs did not respond easily to energy changes.

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    APA: Copy

    TOUHIDI, A., KHAZALI, H., NIKKHAH, A., NIASARI NASLAJI, A., & ZHANDI, M.. (2007). EFFECT OF HIGH ENERGY INTAKE IN SHORT-TERM ON GONADOTROPHINS SECRETION, AND OVULATION RATE OF CHAL EWES. JOURNAL OF AGRICULTURAL SCIENCES, 12(4), 903-912. SID. https://sid.ir/paper/7794/en

    Vancouver: Copy

    TOUHIDI A., KHAZALI H., NIKKHAH A., NIASARI NASLAJI A., ZHANDI M.. EFFECT OF HIGH ENERGY INTAKE IN SHORT-TERM ON GONADOTROPHINS SECRETION, AND OVULATION RATE OF CHAL EWES. JOURNAL OF AGRICULTURAL SCIENCES[Internet]. 2007;12(4):903-912. Available from: https://sid.ir/paper/7794/en

    IEEE: Copy

    A. TOUHIDI, H. KHAZALI, A. NIKKHAH, A. NIASARI NASLAJI, and M. ZHANDI, “EFFECT OF HIGH ENERGY INTAKE IN SHORT-TERM ON GONADOTROPHINS SECRETION, AND OVULATION RATE OF CHAL EWES,” JOURNAL OF AGRICULTURAL SCIENCES, vol. 12, no. 4, pp. 903–912, 2007, [Online]. Available: https://sid.ir/paper/7794/en

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