The application effects on layers were studied, the results as follow:(1)Employing microbial ecological agents could increase hens growth performance and the feed efficiency rate.
1、比较不同微生态制剂在商品蛋鸡中的应用效果，取得以下结果：(1)三种微生态制剂能提高蛋雏鸡的生长性能，提高饲料利用率。
参考来源 - 不同微生态制剂在商品蛋鸡中的应用效果及机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
To improve the efficiency decreased by feed rate in traditional nc program, a nc program optimization system is developed for rough milling process.
针对传统数控程序中进给速度固定限制加工效率的缺点，开发了面向粗铣加工的数控程序优化系统。
The effects of the feed rate of air, steam and coal on bed temperature, gas composition, calorific value, carbon conversion and gasification efficiency are predicted and analyzed with the model.
在此基础上，还就空气加入量、蒸汽加入量及加煤速率对床温、煤气组成、煤气热值、碳转化率和气化效率的影响做了预测和分析。
The results showed that no significant difference in specific growth rate(SGR)and feed efficiency(FE)of P. fulvidraco was observed among all vitamin E treatment groups (P>0.05).
实验结果表明，饲料中维生素E的添加量对黄颡鱼的特定生长率和饲料效率的影响不显著（P>0.05）；
应用推荐