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Genome Selection and Its Application in Dairy Cattle Breeding
Author(s): FAN Yipeng, SUN Dongxiao, ZHANG Qin, ZHANG Shengli, ZHANG Zuo, LIU Lin
Pages: 33-
38
Year: 2011
Issue:
20
Journal: China Dairy Cattle
Keyword: Genomic Selection; Dairy; Breeding;
Abstract: 全基因组选择是指基于基因组育种值(GEBV)的选择方法,指通过检测覆盖全基因组的分子标记,利用基因组水平的遗传信息对个体进行遗传评估,以期获得更高的育种值估计准确度。由于可显著缩短世代间隔,全基因组选择作为一项育种新技术在奶牛育种中具有广阔的应用前景,目前已经成为各国的研究热点。不同国家的试验结果表明,奶牛育种中基于GEBV的遗传评估可靠性在20%~67%之间,如果代替常规后裔测定体系,可节省92...
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