The nutrition, the absorption approach and mechanism,utilization of small-peptide in ruminants and effects of small-peptide on production performance in cows were reviewed.

• 本文对小肽的营养,反刍动物对小肽的吸收途径、吸收机制及其对小肽的利用,小肽对奶牛生产性能的影响进行综述。