Furtheremore this precipitation reaction can be specifically inhibited by positive serum of gosling plague and no cross reaction is observed with common sera of avian disease.
2
用9~ 1 0日龄鸭胚和血清交叉中和试验从四川省七个疑似鸭瘟发病片区分离鉴定了七株鸭瘟病毒。
Seven duck plague virus strains are isolated and identified from seven different invasion districts in Sichuan Province with 9 to 10 day old duck embryo and cross-neutralization test.