The effects of multiple enzyme additives added to the ration of Nanyang yellow cattle was tested in a trail with 3 periods for 90 days. The results showed that, with 10 grams a day of multiple enzyme additives added to the ration, the average daily gain of Nanyang yellow cattle was increased by 0.26 grams a day and the efficiency of digestible energy and digestible crude protein were also raised by 33.32% and 33.33%, respectively.%南阳牛日粮中添加10g多酶剂,经过3个阶段90d的饲喂试验,试验组比对照组每头每日增重提高0.26kg。可消化能、可消化粗蛋白利用率分别提高33.32%、33.33%。
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