According to standards of virus classification, it is proved that the isolate was budgerigar fledgling disease virus which had placed into the Polyomavirus genus of Papovaviridae.

• 根据病毒分类的标准确认为澳州长尾小鹦鹉幼雏病病毒，应归属于乳多空病毒科多瘤病毒属。