The VP2 capsid protein genes of CPV-010 (CPV-2a) and CPV-21 (CPV-2b) strains were cloned,sequenced, and then analysed with respect to their evolutionary relationship to other CPV isolates.

• 对CPV-010株(CPV-2a)与CPV-21株(CPV-2b)的VP2基因进行了克隆、测序，并与文献报道的其它CPV的VP2基因进行同源性比较及种系分析。