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首页> 外文期刊>The Indian Journal of Animal Reproduction >ROLE OF hCG IN FOLLICULAR, LUTEAL CHARACTERISTICS, SERUM PROGESTERONE AND ESTRADIOL CONCENTRATIONIN BUFFALOES
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ROLE OF hCG IN FOLLICULAR, LUTEAL CHARACTERISTICS, SERUM PROGESTERONE AND ESTRADIOL CONCENTRATIONIN BUFFALOES

机译：人绒毛膜促性腺激素在水牛叶中的分子，血液特性，血清孕酮和雌二醇浓度中的作用

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摘要

The present study was conducted with the objective to improve conception rate through exogenous administration of hCG (Chorulon~R, Intervet India Pvt Ltd., India) on day 0 of estrous cycle in Murrah buffaloes. Estrus was induced using 500 ug Cloprostenol sodium im. and they were bred naturally during the observed estrus. The buffaloes in treatment group (n=10) had been given hCG @ 1500 I.U. im. and control group (n=10), PBS @ 5ml im. on day 0 of estrous cycle. After 35 to 45 days of breeding the buffaloes were scanned through ultrasonography for the pregnancy diagnosis. Development of ovulatory follicle and the dominant follicle of 1st wave of treatment and control group was recorded. There were no significant differences in the follicular diameterbetween pregnant and non-pregnant buffaloes of treatment and control group. Development of corpus luteum (mm2) was significantly (P < 0.01) greater on day 6 to 20 of estrous cycle in treatment group, while only on day 18 and 20 (P< 0.01) in control group. Serum progesterone concentration was significantly (P < 0.01) higher on days 18 and 20 of estrous cycle in pregnant than non-pregnant buffaloes. The concentration of estradiol 17a found significantly (P< 0.01) lower in pregnant buffaloes on days 1,2,6,10,14,18 and 20 of estrous cycle than non-pregnant buffaloes of treatment group .Thus it was concluded that follicular diameter of treated pregnant buffaloes were greater than the control pregnant buffaloes, corpus luteum of pregnant buffaloes were greater than non-pregnant, serum progesterone concentration was higher in pregnant buffaloes than the non-pregnant and the serum estradiol 17a was lower in pregnant than non-pregnant buffaloes.
机译：进行本研究的目的是通过在穆拉水牛的发情周期的第0天通过外源给予hCG（Chorulon®R，Intervet India Pvt Ltd.，印度）来提高受孕率。使用500 ug氯前列醇钠im诱导发情。它们在发情期自然繁殖。治疗组（n = 10）的水牛在1500 I.U下接受了hCG。即时通讯对照组（n = 10），PBS @ 5ml im。在发情周期的第0天。繁殖35至45天后，通过超声检查对水牛进行妊娠诊断。记录治疗组和对照组第一波排卵卵泡的发育和优势卵泡。治疗组和对照组的孕妇和非孕妇水牛的卵泡直径没有显着差异。治疗组在发情周期的第6天至第20天，黄体发育（mm2）显着增加（P <0.01），而对照组仅在第18天和第20天（P <0.01）。孕妇发情周期第18天和第20天的血清孕酮浓度显着高于未怀孕的水牛（P <0.01）。结果发现，在发情周期的第1、2、6、10、14、18和20天，妊娠水牛的雌二醇17a的浓度显着低于治疗组的非妊娠水牛。（P <0.01）因此得出结论，卵泡直径接受治疗的水牛的数量大于对照的水牛，怀孕的水牛的黄体比未怀孕的黄体更大，怀孕的水牛的血清孕酮浓度比未怀孕的高，孕妇的血清雌二醇17a低于未怀孕的水牛。

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