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在牛群中实施固定时间人工授精计划.

Vitor R G Mercadante1, Graham Cliff Lamb2

  • 1School of Animal Sciences, CALS and Large Animal Clinical Sciences, VAMD-CVM at Virginia Tech, 175 West Campus Drive, Blacksburg, VA 24061, USA.

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概括
此摘要是机器生成的。

定时人工授精 (TAI) 通过优化分娩来提高肉牛和小牛的生产力和利能力. 尽管有好处,但美国的TAI采用落后于其他行业和国家.

关键词:
人工授精是一种人工授精.牛肉类牛的牛肉类牛.雌性同步的同步方式怀孕 怀孕 怀孕 怀孕

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科学领域:

  • 动物科学动物科学
  • 生殖生物技术 生殖生物技术
  • 牛肉牛生产 牛肉牛生产

背景情况:

  • 生殖生物技术对于提高肉牛牛犊作业至关重要.
  • 定时人工授精 (TAI) 在生产力和利能力方面提供了显著的优势.
  • 美国在牛肉群中采用TAI的速度明显慢于乳制品或国际.

研究的目的:

  • 突出TAI在肉牛和小牛生产中的重要性.
  • 解释TAI的好处,包括提高生产率和利能力.
  • 为了解决美国牛肉生产商中TAI采用率缓慢的问题.

主要方法:

  • 讨论目前用于排卵同步的TAI协议.
  • 对影响肉牛TAI成功的因素的分析.
  • 对TAI采用率的比较概述.

主要成果:

  • 塔伊缩短了繁殖季节,增加了早产的小牛.
  • 早产导致更重的断奶重量和更好的利能力.
  • 目前的TAI协议表明有效的排卵同步和一致的怀孕率.

结论:

  • TAI是改善肉牛牛犊作业的宝贵工具.
  • 遗传学,营养和气质等因素会影响TAI的结果.
  • 增加TAI的采用可能会大大有利于美国牛肉行业.