韩国商业养猪群的关联性评级在韩国商业养猪群之间的关联性评级
Wonseok Lee1, JongHyun Jung2, Sang-Hyon Oh3
1eGnome, Inc., Seoul 05836, Korea.
Journal of animal science and technology
|April 17, 2024
概括
这项研究估计了韩国猪养殖群的连接度 (CR),发现品种和养殖场之间在平均每日收益 (ADG) 和活生生的数量 (NBA) 中存在显著差异. 一些群体符合联合遗传评估的标准,这对于加速遗传进步至关重要.
科学领域:
- 动物科学动物科学
- 遗传学 遗传学 是一个
- 农业科学 农业科学
背景情况:
- 准确的动物遗传评估需要评估繁殖群之间的联系.
- 连接度评级 (CR) 量化了不同人群中比较遗传优点的可靠性.
- 了解CR对于优化猪的遗传改进计划至关重要.
研究的目的:
- 为了估计韩国养殖猪群的连接度 (CR).
- 评估CR的生产性 (平均每日收益 - ADG) 和生殖性 (活生生的数量 - NBA) 特性.
- 评估群体是否适合进行联合遗传评估.
主要方法:
- 利用了约克郡,兰德雷斯和杜洛克品种的104,380个表现和83,200个繁殖记录.
- 在韩国八个繁殖群中计算了ADG和NBA的CR.
- 使用差异的预测误差差异 (PEVD) 来验证CR估计.
主要成果:
- 约克郡群中的ADG的CR从1.32%到28.5%不等;对于NBA,它从0%到12.79%不等.
- 60%的约克郡和杜洛克群体满足了基因评估的先决条件 (ADG>3%,NBA>1.5%).
- 约克郡群体显示ADG的高CR,而兰德雷斯群体则低于ADG标准.
结论:
- 连接对于可靠的猪群繁殖价值比较至关重要.
- 约克郡群体可以接受ADG和NBA的联合遗传评估;杜洛克群体对ADG进行联合遗传评估.
- 这项研究提供了对韩国猪群遗传联系的见解,有助于加速遗传进步.
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