Feed conversion efficiency of the twograin fodder is much higher,one kilogram gain of feeding diary cows by amm-oniated grain fodder can save 0.18 yuan,and that of feeding draft cattle bybasified grain fodder 0.31 yuan.

• 氨化颗粒料饲喂育成奶牛；每公斤增重比对照组节约饲料费0.；18元；饲料消耗成本降低8