北京地区大白猪基因组联合育种研究

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

Joint Genomic Selection of Yorkshire in Beijing

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

表4 不同选择阶段的公猪GEBV、系谱指数和EBV理论准确性

Table 4 The theoretical accuracy of GEBV, pedigree Index and EBV in different selection stages

选择阶段 Selection stage 选择标准 Selection criteria 达100 kg体重日龄 Age at 100 kg live weight 100 kg活体背膘厚 Backfat adjusted to 100 kg 总产仔数 Total number born 公猪去势前 Castration stage 基因组育种值Genomic estimated breeding value 0.65±0.04 0.70±0.03 0.60±0.04 系谱指数 Pedigree index 0.55±0.03 0.56±0.04 0.41±0.05 测定结束 Performance testing 基因组育种值Genomic estimated breeding value 0.78±0.02 0.84±0.02 0.60±0.05 育种值Estimated breeding value 0.70±0.04 0.72±0.04 0.41±0.05