北京地区大白猪基因组联合育种研究
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张金鑫,唐韶青,宋海亮,高虹,蒋尧,江一凡,弥世荣,孟庆利,于凡,肖炜,云鹏,张勤,丁向东
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Joint Genomic Selection of Yorkshire in Beijing
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JinXin ZHANG,ShaoQing TANG,HaiLiang SONG,Hong GAO,Yao JIANG,YiFan JIANG,ShiRong MI,QingLi MENG,Fan YU,Wei XIAO,Peng YUN,Qing ZHANG,XiangDong DING
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表3 已有表型的候选公猪基因组预测准确性和无偏性
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Table 3 Accuracy and unbiasedness of genomic prediction
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| 性状 Trait | 选择阶段Selection stage | 准确性Accuracy | 无偏性Unbiasedness | 达100 kg体重日龄
Age at 100 kg live weight | 第一次基因组选择（公猪去势前）
First genomic selection (before castrated) | 0.55 | 0.82 | 第二次基因组选择（性能测定结束）
Second genomic selection (end of performance measurement) | 0.72 | 0.96 | 100 kg活体背膘厚
Backfat adjusted to 100 kg | 第一次基因组选择（公猪去势前）
First genomic selection (before castrated) | 0.62 | 0.91 | 第二次基因组选择（性能测定结束）
Second genomic selection (end of performance measurement) | 0.84 | 1.00 |
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