According to these results, immunization with 1 standard dosage of anticoccidial vaccine could produce the ideal effects.

• 从上述试验结果可以看出，施以简便可行的挡粪方法，网养鸡也可实行球虫病疫苗的免疫，而且一定程度上克服了地养免疫鸡增重受阻的弊端。