牲畜
基因组选择
生物
选择(遗传算法)
适应(眼睛)
遗传增益
生物技术
生产(经济)
人口
竞赛(生物学)
自然资源经济学
遗传变异
遗传学
生态学
基因型
计算机科学
基因
经济
单核苷酸多态性
人口学
宏观经济学
人工智能
神经科学
社会学
作者
Ben J. Hayes,Harris A. Lewin,Michael E. Goddard
标识
DOI:10.1016/j.tig.2012.11.009
摘要
As the global population and global wealth both continue to increase, so will the demand for livestock products, especially those that are highly nutritious. However, competition with other uses for land and water resources will also intensify, necessitating more efficient livestock production. In addition, as climate change escalates, reduced methane emissions from cattle and sheep will be a critical goal. Application of new technologies, including genomic selection and advanced reproductive technologies, will play an important role in meeting these challenges. Genomic selection, which enables prediction of the genetic merit of animals from genome-wide SNP markers, has already been adopted by dairy industries worldwide and is expected to double genetic gains for milk production and other traits. Here, we review these gains. We also discuss how the use of whole-genome sequence data should both accelerate the rate of gain and enable rapid discovery and elimination of genetic defects from livestock populations.
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