The early growth process of lambs from 0 to 8 month old Poll Dorset and Borderdale was studied by fitting of Mitschetrlich,Gompertz and Logistic models.

• 采用Mitschetrlich模型、Gompertz模型、Logistic模型拟合了无角陶赛特羔羊和波德代羔羊的早期生长发育过程.