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基因组选择在肉牛中的研究进展

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基因组选择的发展,在肉牛育种中留下了深刻的印记.中国肉牛品种多、群体规模小导致遗传育种工作的进度迟缓.多数研究表明参考群体大的纯种肉牛群体在多品种评估中的好处甚微,而对参考群体小的品种可以从多品种评估中受益,并且不会对纯种性能的评估产生不良影响.在肉牛遗传育种研究中,基因组信息的使用为改善肉牛的遗传改良提供了机会,以确定杂交品种等多品种参考群体带给肉牛遗传育种的利用价值.多品种基因组评估作为提高群体遗传增益的有利工具,能够通过使用多品种模型对肉牛群体进行基因组评估.本综述从肉牛基因组选择角度进行阐述,重点综述基因组选择在多品种肉牛中的使用情况,探讨了对肉牛使用基因组选择的影响机制,以期为多品种肉牛基因组选择的研究提供新思路,探索基因组选择的应用潜力.
Research Progress of Genomic Selection in Beef Cattle
The development of genomic selection has left a profound mark on beef cattle breeding.In China,the multitude of beef cattle breeds with small population sizes has led to a slow pace in genetic breeding efforts.Most studies indicate that purebred beef cattle populations with large reference groups gain little benefit from multi-breed evaluations,while breeds with smaller reference groups can benefit from such evaluations without adversely affecting the assessment of purebred performance.In the field of beef cattle genetic breeding research,the use of genomic information provides an opportunity to enhance the genetic improvement of beef cattle,thereby determining the value of multi-breed reference groups such as hybrid breeds for beef cattle genetic breeding.Multi-breed genomic assessment,as a beneficial tool for increasing the genetic gain of populations,can evaluate the genomes of beef cattle populations using multi-breed models.This review focuses on the perspective of genomic selection in beef cattle,highlighting the use of genomic selection across multi-breed beef cattle breeds,discussing the mechanisms by which genomic selection is applied in beef cattle,with the aim of providing new insights for research into genomic selection in multi-breed beef cattle and exploring the potential applications of genomic selection.

beef cattleMulti-species genome selectionCitespace softwarevisual analysis

贾宏霞、刘在霞、周乐、鲍艳春、霍晨曦、左鹏鹏、谷明娟、娜日苏、张文广

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内蒙古农业大学动物科学学院,呼和浩特 010018

内蒙古自治区农业基因组大数据工程研究中心,呼和浩特 010018

内蒙古农业大学生命科学学院,呼和浩特 010018

肉牛 多品种基因组选择 CiteSpace软件 可视化分析

内蒙古自治区自然科学基金项目内蒙古自治区直属高校基本科研业务费内蒙古自治区直属高校基本科研业务费内蒙古农业大学动物科学学院高水平成果培育专项内蒙古自治区科技计划项目内蒙古自治区科技重大专项项目内蒙古自治区"揭榜挂帅"项目

2021ZD05BR22-11-13BR221024BZX2022012021GG00082021ZD00092022JBGS0025

2024

10.11843/j.issn.0366-6964.2024.09.002

畜牧兽医学报
中国畜牧兽医学会

畜牧兽医学报

CSTPCD北大核心
影响因子：0.729
ISSN：0366-6964
年,卷(期)：2024.55(9)