天祝白牦牛超排过程中卵泡闭锁的初步研究  

Preliminary Research on the Follicular Atresia during Super Ovulation in Tianzhu White Yak

作　　者：樊江峰[1] 王世雷[1] 李天强[1] 徐庚全[1] 王立斌[1] 余四九[1] 

机构地区：[1]甘肃农业大学动物医学院,甘肃兰州730070

出　　处：《安徽农业科学》2008年第20期8612-8614,共3页Journal of Anhui Agricultural Sciences

基　　金：甘肃省攻关项目(2GS042-A41-001-05)

摘　　要：[目的]全面监测天祝母白牦牛超排过程中卵巢的变化情况。[方法]对12头健康成年天祝母白牦牛采用CIDR+FSH+PG的超数排卵处理,并运用超声探测技术对超排过程中卵巢的变化情况做了全程监测。[结果]在处理的12头牛中有5头监测到明显的卵泡闭锁现象。在超排处理前期,这5头的卵巢直径逐渐增大,到第10天达到最大值,平均(3.39±0.65)cm,之后又开始逐渐缩小;卵巢上最大卵泡的直径也在第10天达到最大值,平均13.6±2.6 mm;优势卵泡从第8天开始大量出现,到第10天达到最多,平均每个卵巢有6.5±2.3个;此后这些优势卵泡的直径逐渐缩小,在B超图上未看到黄体影像,说明这类卵泡没有正常排卵,而是最终走向了闭锁。[结论]该研究为评价及优化超排处理方案提供准确可靠的依据。[Objective] The aim of the research was to monitor the changes of ovary in female Tianzhu white yak during super ovulation completely.[Method] Twelve healthy adults of female Tianzhu white yaks were treated by CIDR＋FSH＋PG super ovulation and the changes of ovary during super ovulation were monitored by ultrasonic detecting technology in the whole course.[Result] There were obvious follicular atresia phenomena monitored in 5 yaks among the treated 12 yaks.During the early stage of super ovulation treatment,the ovary diameters of the 5 yaks increased gradually and reached the maximum on the 10th day,with average of（3.39±0.65） cm,and then reduced gradually.The diameter of the biggest follicular in ovary also reached the maximum on the 10th day,with average of（13.6±2.6） mm.The dominant folliculars started to appear massively from the 8th day and reached the most till the 10th day and each ovary had（6.5±2.3） folliculars averagely.Then the diameters of these dominant folliculars reduced gradually and the imag es of corpus luteum were not seen in B-scan,indicating that these folliculars did not ovulate normally,but went into atresia at last.[Conclusion] The research supplied accurate and reliable basis for evaluating and optimizing super ovulation plan.

关 键 词：天祝白牦牛 超数排卵 卵泡闭锁 

分 类 号：S823.85[农业科学—畜牧学]