【摘要】 从长春地区某鸭场送检的疑似鸭病毒性肝炎的病例,采取病鸭肝脏分别进行细菌、病毒分离,结果分离到1株病毒,经病毒回归试验及血清学试验等方法,鉴定该病毒为Ⅰ型鸭肝炎病毒,但与标准株接种鸡胚产生的病变有一定的差别。更多还原

【Abstract】 A field strain of virus was isolated from the ducks with typical DVH in farms of Changchun.According to virus regression experiment,serological test,the strain was identified as I type of DHV,and the pathological change to chick embryo was difference from type strain.更多还原