一、 粗饲料粗饲料 ( roughage forage ) 是以饲料干物质中粗纤维含量大于或等于18％为第一条件，以风干物为饲喂形式的饲料；如农业副产品中的秸秆、晒干或人工脱水的牧...
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我国有着极其丰富的粗饲料资源，由于粗饲料的适口性差及纤维素含量高等因素，利用率较低。
There are very rich resources of coarse feeds in our country. The coarse feeds are fewer utilized due to their poor taste, high content of cellulose and etc.
常用的提高粗饲料利用率的方法有加工处理、合理搭配日粮、提高羊的粗饲料采食量等手段。
Usual ways to improve utilization rate of coarse feeds are processing and treating, rational collocation of diets, increasing coarse feed intake for cattle and sheep.
采用体外产气技术，研究了不同粗饲料及其组合的体外发酵特性，探讨了合理利用不同粗饲料的有效途径。
By the technique of in vitro gas production, this paper studied the in vitro fermentation characteristics of different kinds of crop straws and their combined utilization.
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