The results showed that: (1) In the first phase of experiment, the proper value range of dEB was 50-300 mmol/kg for growth, and the best data was 200 mmol/kg.

• 试验得出的结果如下:(1)在试验期的第一个阶段(，卜鸡阶段)，对于日增重而言，适宜的dEB值范围为50一300 mmol/kg，其中以200 mmo一/kg为最佳;