4Aggrey S E.2009.Logistic nonlinear mixed effects model for estimating growth parameters[J].Poultry Science,88 (2):276-280.
5Marks H L.1978.Growth curve changes associated with longterm selection for body weight in Japanese quails[J].Growth,42(2):129-140.
6Vitezica Z G,Marie-Etancelin C,Bernadet M D,Fernandez X,Robert-Granie C.2010.Comparison of nonlinear and spline regression models for describing mule duck growth curves[J].Poultry Science,89(8):1778-1784.
