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Effect of Different Size of Corpora Iutea on the success ratio of Superorulation and Embryo Transfer
Author(s): LI Qiang, XIAO Rui, NIU Zhi-hong, ZHANG Jian-jun, LIU Shui-tao, ZHANG Guang-wei, ZHANG Jian
Pages: 35-
37
Year: 2011
Issue:
9
Journal: China Dairy Cattle
Abstract: 本试验分析了291头14~15月龄荷斯坦青年母牛不同黄体大小对供体超排的效果.比较了924头受体母牛不同黄体大小对胚胎移植后妊娠率的影响.结果表明,埋栓前,黄体1.2cm组超排效果和有效胚胎数较高.黄体较小的组超排效果稍差一些.1.5cm以上黄体组的结果居中.受体母牛在移植胚胎时,0.8cm以上黄体的受体均获得了较高的妊娠率.但1.5cm以上黄体的受体妊娠率更高一些.由此结论提出:在超排前,黄体的...
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