弹性乳制品基因组项目 - 一个与料效率和甲排放相关的方法和目标的总体概述
Nienke van Staaveren1, Hinayah Rojas de Oliveira2, Kerry Houlahan1
1Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
Journal of dairy science
|September 10, 2023
概括
弹性乳制品基因组项目 (RDGP) 正在为奶牛创建基因组工具,重点关注料效率和甲排放. 国际数据共享正在改善,在人口之间没有发现强烈的基因组差异.
科学领域:
- 动物基因组学 动物基因组学
- 农业科学 农业科学
- 生物信息学是一种生物信息学.
背景情况:
- 弹性奶牛基因组项目 (RDGP) 是一项国际倡议,专注于开发基因组工具,用于培养更有弹性的奶牛.
- 提高料效率和减少温室气体排放,特别是甲 (CH4) 是乳制品生产的首要任务.
研究的目的:
- 提供 RDGP 合作伙伴如何应对结合国际基因组和表型数据的挑战的概述.
- 描述RDGP数据库的当前状态,数据收集协议和用于国际合作的数据管理策略.
主要方法:
- 来自7个参与国家的基因组和表型数据 (干物摄入量[DMI]和CH4排放量) 的汇编.
- 分析数据记录协议,测量技术,基因定型和动物管理实践.
- 评估贡献种群之间的基因组差异化.
主要成果:
- 截至2022年2月,RDGP数据库拥有超过120万个DMI记录和17000个CH4记录.
- 在参与国家人口中没有发现显著的基因组差异化.
- 在不同数据源中证实了DMI和CH4表型的异质性.
结论:
- RDGP正在推进国际合作,以产生适应性奶牛养殖的基因组工具.
- 缺乏强大的基因组分化表明,有可能成功地进行跨国基因组预测.
- 考虑表型异质性对于准确的基因组分析料效率和甲排放至关重要.
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