Dot blot hybridization with the two probes showed the positive result for PPV DNA,but negative for the nucleic acid samples obtained from Hog cholera virus,Pseudorabies virus,Japanese B Encephalitis virus and PK 15 cells.

• 对猪细小病毒DNA进行斑点杂交，两种探针均为阳性，而对照的猪瘟病毒、猪伪狂犬病毒、乙型脑炎病毒及PK－15细胞的核酸均为阴性。