AIC which serves as the principle of opting for optimum regressional model has had wide applicability since its coming to presence. But the usefulness of the AIC in picking up best animal growth model is not known as yet.

• AIC准则作为选择回归模型的标准已有广泛应用，但在动物最佳生长模型的选择方面的应用情形尚未见报导。