These organs are the major targets infected by AEV. One hundred samples collected from field infected chickens having clinical sign were detected, and the positive rate of AEV was 90%.

• 对 1 0 0份临床自然发病鸡病料检测 ,阳性检出率为 90%25。 对 1 0份 AEV病原分离阳性样品检测阳性率为 1 0 0%25。