2Doeschl - Wilson A B,Green D M,Fisher A V,et al. The relationshipbetween body dimensions of living pigs and their carcass composition[J]. Meat Science,2005,70(2) :229 - 240.
3PintoL F B,Melo C M R D,Packer I U,et al. Principal componentsanalysis applied to performance and carcass traits in the chicken[ J].Anim Res,2006,55(5) :419 -425.
