5Wu R L. A Logistic Mixture Model for Characterizing Genetic Determinants Causing Differentiation in Growth Trajectories [J]. Genet Res, 2002, (79) : 235 - 245.
6Laird A K. Postnatal Growth of Birds and Mammals [J].Growth, 1966, (30) :1027 - 1038.
10Brown J E, Fitzhugh H A, Cartwright T C, et al. A comparison of Nonlinear models for describing weight-age relationships in cattle[J]. J AnimSci,1976, 42:810-818.