应用随机回归模型估计蛋鸡体重遗传参数

郭军,曲亮,窦套存,王星果,沈曼曼,胡玉萍,王克华

Using Random Regression Models to Estimate Genetic Parameters on Body Weights in Layers

GUO Jun,QU Liang,DOU TaoCun,WANG XingGuo,SHEN ManMan,HU YuPing,WANG KeHua

表3 蛋鸡体重方差组分和遗传参数

Table 3 Variance component and genetic parameters on body weight in resource population

周龄 Weeks 加性遗传方差 Additive variance 永久环境方差 Permanent environmental variance 残差 Residual 表型方差 Phenotypic variance 遗传力 Heritability 永久环境方差占比 $\sigma _{pe}^{2}/\sigma _{p}^{2}$ 重复力 Repeatability 1 18.91±1.44 14.76±0.85 3.99 37.67±1.01 0.50±0.03 0.39±0.03 0.891 2 158.36±13.51 70.01±8.23 22.85 251.21±9.07 0.63±0.04 0.28±0.04 0.91 3 214.60±14.83 153.93±8.80 41.70 410.23±10.50 0.52±0.03 0.38±0.02 0.90 4 538.68±32.11 349.48± 18.39 87.74 975.89±24.30 0.55±0.02 0.36±0.02 0.91 5 925.68±55.51 528.66± 30.59 133.77 1588.11±40.61 0.58±0.02 0.33±0.02 0.92 6 1275.48±86.87 694.50± 47.56 264.02 2233.99±57.81 0.57±0.03 0.31±0.03 0.88 7 1882.89±152.26 1100.43± 85.98 394.26 3377.59±95.76 0.56±0.03 0.33±0.03 0.88 8 2471.92±216.91 1798.51±126.09 498.20 4768.62±135.92 0.52±0.03 0.38±0.03 0.90 9 2797.48±238.06 2731.94±147.03 602.13 6131.55±159.58 0.46±0.03 0.45±0.03 0.90