4株鸭坦布苏病毒的毒力、E基因序列和抗原差异性

杨志远,段会娟,王小蕾,刘立新,赵际成,潘洁,刘月焕,林健

Virulence, E Gene Sequence and Antigenic Difference of 4 Duck Tembusu Virus Isolations

ZhiYuan YANG,HuiJuan DUAN,XiaoLei WANG,LiXin LIU,JiCheng ZHAO,Jie PAN,YueHuan LIU,Jian LIN

表1 DTMUV人工感染北京鸭试验

Table 1 Artificial infection results in Peking duck with DTMUV isolates

动物数量（只） Animal	攻毒用毒株 Virus	攻毒途径及剂量 Routes and dose	病毒分离阳性率 Positive rate of virus isolation
8	DTMUV-HB	肌肉注射 Intramuscular injection 0.5mL (100ELD₅₀)	100%(8^A/8^B)
8	DTMUV-AH		87.5%(7/8)
8	DTMUV-GX1		87.5%(7/8)
8	DTMUV-GX2		100%(8/8)
8	/	/	0%(0/8)