The feed conversion ratio and economic benefit were increased evidently.
提高了饲料转化率，获得了可观的经济效益。
Compared with barley-based diet, enzymes treatment increased (1)body weight gains (P<0.05) and feed conversion rate of both chickens;
结果表明：（1）添加粗酶制剂于大麦日粮可明显提高鸡的增重（P＜0．05）和饲料转化率；
The maximum conversion of residual oil may be substantially increased by combining a portion of the heavy oil product with the residual oil feed and partially hydrogenating this mixture.
通过将渣油进料与一部分重质油产物合并，并对该混合物进行部分加氢可显著提高渣油的最大转化率。
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