UL56基因下游3513bp对鸭肠炎病毒生物特性的影响

毛娅卿,张兵,王团结,侯力丹,黄小洁,刘丹,赵俊杰,李启红,王乐元,李俊平,杨承槐

The Effects of Downstream 3513bp of UL56 on Characterization of Duck Enteritis Virus

YaQing MAO,Bing ZHANG,TuanJie WANG,LiDan HOU,XiaoJie HUANG,Dan LIU,JunJie ZHAO,QiHong LI,LeYuan WANG,JunPing LI,ChengHuai YANG

表3 免疫后的攻毒保护效力

Table 3 Protective efficacy against lethal challenge postinoculation

组别 Groups 毒株 Strains 剂量 Doses DEV攻毒后每天死亡鸭数 Numbers of dead ducks pre day after DEV challenge 累计 Total 1 2 3 4 5 6 7 8 9 10 死亡 Dead 保护率 Protection ratio 1 DEVΔ3513 103.0TCID50 0 0 0 0 0 0 0 0 0 0 0/5 100% 2 鸭瘟活疫苗 DEV vaccines 103.0TCID50 0 0 0 0 0 0 0 0 0 0 0/5 100% 3 对照组 Control / 0 0 0 2 2 1 / / / / 5/5 0%