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在母羊中异步胚胎转移

Nana Yang1, Yiyong Liu2, Jing Zhang1

  • 1College of Animal Science and Technology, Hebei Technology Innovation Center of Cattle and Sheep Embryo, Hebei Agricultural University, Baoding, Hebei, China.

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概括
此摘要是机器生成的。

雌羊的胚胎转移表明,新鲜胚胎转移可以在空间上异步,但在时间上同步,而不会影响怀孕. 与子宫移植相比,冷芽细胞的卵巢移植改善了怀孕率.

关键词:
异步传输是一种异步传输.卵管是指卵管中的卵管.怀孕 怀孕 怀孕 怀孕 怀孕羊群羊群羊群的羊群是什么意思这是子宫,子宫.

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科学领域:

  • 生殖生物学 生殖生物学
  • 胚胎学 胚胎学
  • 兽医科学是一门兽医科学.

背景情况:

  • 胚胎移植 (ET) 对于畜牧养殖至关重要.
  • 优化ET协议需要了解胚胎-卵巢/子宫相互作用.
  • 不同步的ET时间和位置可能会影响成功率.

研究的目的:

  • 为了评估空间和时间异步的胚胎转移对母羊的影响.
  • 为了比较新鲜和冷胚胎的卵管与子宫移植的疗效.
  • 为了确定最佳的发育阶段和接受者同步ET在绵羊.

主要方法:

  • 四项实验涉及将新鲜和冷的胚胎 (胚芽细胞,2细胞,8细胞阶段) 转移到同步雌羊的卵管或子宫.
  • 不同的受体同步 (2日,3日,6日后的雌激素).
  • 转移后的怀孕和羔羊率的评估.

主要成果:

  • 空间异步但时间同步的新鲜裂解期胚胎的子宫移植并没有危及怀孕/羔羊.
  • 新鲜芽细胞的卵巢转移是成功的.
  • 与子宫移植相比,冷芽细胞的卵巢移植显著增加了怀孕率.
  • 卵管可能是母羊冷胚胎的最佳微环境.

结论:

  • 异步ET协议对于绵羊的新鲜胚胎可能是可行的.
  • 卵巢管转移对于母羊的冷胚胎囊来说是优越的.
  • 需要进一步的大规模研究来证实这些在绵羊中异步ET的发现.