日粮粗饲料长度和精粗比例对奶牛生产的影响

摘要

There are rich resources of roughages in China. The application of roughages in performance of dairy cows also becomes increasingly pronounced. This paper reviewed the effects of different length of roughage and ratio of concentrate to roughage on performance of dairy cows. It can be offered to provide theoretical basis for the rational utilization of roughage in cow-feeding industry.%我国粗饲料资源丰富，粗饲料在奶牛生产中的应用也日益增加。本文从粗饲料长度和精粗比两方面综述了日粮中不同粗饲料对奶牛生产的影响，为粗饲料在奶牛养殖业的合理利用提供理论依据。