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1 蛋鸡资源群体体重数据统计

Table 1 Statistics on body weights in the resource population

世代 Generation 1周龄体重 1st-week BW 3周龄体重 3rd-week BW 5周龄体重 5th-week BW 7周龄体重 7th-week BW 9周龄体重 9th-week BW 绿壳蛋鸡公鸡Blue shelled cocks 48.53b±5.24 107.40b±14.51 167.13b±27.25 301.11b±47.41 469.60b,c±68.73 绿壳蛋鸡母鸡Blue shelled hens 46.29 a±5.14 97.05a±12.56 147.23a±24.11 260.84a±37.50 396.74a±52.44 白莱航鸡公鸡White leghorn cocks 69.54f±6.80 162.88g±14.94 268.08f±28.13 473.17f±38.15 634.12g±67.65 白莱航鸡母鸡White leghorn hens 66.02e±6.75 145.29e±13.31 236.76d±23.36 397.29e±36.25 539.40e±55.33 F1代公鸡Cocks in F1 generation 47.05a±7.74 141.15d±20.34 273.07f±31.35 382.72e±48.58 569.77f±67.75 F1代母鸡Hens in F1 generation 45.64a±7.35 130.03c±19.90 241.94d±29.27 331.45c±39.61 478.98c±58.73 F2代公鸡Cocks in F2 generation 62.91d±5.82 152.26f±19.45 252.52e±34.15 393.87e±56.56 522.68d±71.82 F2代母鸡Hens in F2 generation 60.61c±5.33 139.27d±15.96 225.19c±28.33 353.03d±47.51 458.44b±56.63