私人实践者:兽医从业人员对牛基因组学在客户群体中的应用的看法
1Virginia Herd Health Management Service P.C, PO Box 555, Madison, VA 22727, USA.
The Veterinary clinics of North America. Food animal practice
|August 24, 2024
概括
基因组评估显著扩大了用于乳制品和肉类繁殖的选公牛的数量. 虽然更多的公牛被评估,但活跃马匹服务的数量保持不变,影响繁殖计划.
科学领域:
- 动物遗传学 动物遗传学
- 育种科学 育种科学
- 基因组选择 基因组选择
背景情况:
- 传统的 sire 选择依赖于后代测试.
- 基因组评估提供了更早,更精确的遗传见解.
- 乳制品和牛肉行业越来越多地采用了基因组工具.
研究的目的:
- 分析基因组评估对乳制品和牛肉品种的 sire 选择的影响.
- 为了评估评估的公牛数量的变化与活跃马服务中的公牛数量的变化.
- 了解基因组评估在牛肉与乳制品趋势中的作用.
主要方法:
- 对主要奶牛和牛肉品种的 sire 评估数据的分析.
- 基因组前和基因组后时代的比较,用于 sire 选择指标.
- 审查与基因组查和公牛种群相关的行业趋势.
主要成果:
- 基因组查使评估的公牛数量增加了10-20倍.
- 活跃站在马场的公牛数量没有显著变化.
- 基因组评估是牛肉-奶制品计划增长的关键因素.
结论:
- 基因组评估已经彻底改变了畜牧养殖中 sire 查的规模.
- 尽管评估增加了,但马的产能并没有成比例扩大.
- 基因组工具是现代育种策略的关键驱动因素,包括杂交计划.
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