2Ghulam Mohiuddin.Estimations of genetic and phenotypic parameters of some performance traits in beef cattle[J].Animal breeding Abstracts, 1993,61 (8) : 495. 被引量：1
7Brown 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. 被引量：1
8Perotto D, Cue R I, Lee A J, et al. Comparison of nonlinear functions for describing the growth curve of three genotypes of dairy cattle[J]. Can J Anita Sci, 1992,72 : 773 - 782. 被引量：1
