›› 2009, Vol. 36 ›› Issue (7): 122-124.

• 遗传繁育 • 上一篇    下一篇

不同分割液对奶牛不同阶段胚胎分割效果的影响

韩永胜, 佟桂芝, 付龙   

  1. (黑龙江省畜牧研究所, 齐齐哈尔 161005)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-07-20 发布日期:2009-07-20

Effects of Different Partition Liquid on Dairy Cow Embryos Segmentation at Different Stages

HAN Yong-sheng, TONG Gui-zhi, FU Long   

  1. (Animal Husbandry Research Institute of Heilongjiang Province, Qiqihar 161005, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-07-20 Published:2009-07-20

摘要: 本试验探讨了3种不同分割液对奶牛桑葚胚和囊胚分割效果的影响。借助显微操作仪,将发育至第6~8天的体内常规生产的桑葚胚和囊胚进行分割,体外培养半胚,观察其发育情况,选择形态恢复好的半胚与一个囊胚滋养层细胞囊泡(trophoblastic vesicles,TRV)共移植。结果显示,在PBS+0.2 mol/L蔗糖与PBS+5%PVP中分割桑葚胚,其分割成功率显著高于PBS(P<0.05),分别为89.13%、86.73%和69.67%,而半胚的囊胚发育率及移植妊娠率三者均无显著差异(P>0.05);在PBS+0.2 mol/L蔗糖与PBS+5%PVP中分割囊胚, 其分割成功率显著高于PBS(P<0.05),分别为94.52%、92.52%和70.52%,而半胚培养的囊胚发育率及移植妊娠率三者均无显著差异(P>0.05);说明在PBS中分别添加0.2 mol/L的蔗糖和5%的PVP有利于提高奶牛桑葚胚和囊胚的分割成功率。

关键词: 奶牛; 胚胎分割; 囊胚发育率; TRV; 共移植; 妊娠率

Abstract: In this experiment, morula and blastocyst were bisected in three different partition liquid with micromanipulator.Demi-embryos were cultured and then the development rate was observed. Bisected embryos were co-transferred with trophoblastic vesicles (TRV).The results showed that morula were bisected in PBS +0.2 mol/L sucrose and PBS+5% PVP,splitting success rate significantly higher than in PBS (89.13%,86.73% VS 69.67%) (P<0.05),and the blastocysts rate and pregnancy rate were no significant difference (P>0.05); in PBS +0.2 mol/L sucrose and PBS+5% PVP in the bisection of blastocysts,splitting success rate significantly higher than in PBS (94.52%,92.52% VS 70.52%) (P<0.05), the blastocysts rate and pregnancy rate were no significant difference (P>0.05); the PBS were added in 0.2 mol/L sucrose and 5% PVP will help to improve splitting success rate of the dairy cow morula and blastocyst.

Key words: dairy cows; embryo bisection; the blastocysts rate; TRV; co-transferred; pregnancy rate

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