随着全长的增加，其相对增重率逐渐减少，而W/L值增大。

With the increase of L, its relative weight-growth rate decreases, and W/L value rises.

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结果发现球抗能提高球虫病鸡的存活率和相对增重率，减少血便记分和盲肠内容物卵囊数，减轻盲肠病变。

The results showed that QK could improve the survival rate and relative rate of gain, decrease the bloody stool scores and oocysts of cecum content, and relieve the pathological changes of cecum.

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结果：白头翁水提液高剂量组能明显提高鸡的成活率和相对增重率，显著减少血便堆数和卵囊数，明显减轻盲肠病变。

Results show PCR could improve the rate of survival and relative rate of gain, decrease the bloody diarrhea, lesion scores and oocysts gram feces.

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