It indicates that the change of digestive and absorptive capacity of Altay lambs after weaning was due to either the change of feed type or the change of brush border enzyme activity.

• 该结果提示断奶后羔羊对上述物质的消化吸收能力发生了改变，其原因可能是由于饲料类型的改变，或是小肠粘膜刷状缘酶活性的改变所致。