The NS1 gene and VP2 gene of porcine parvovirus (PPV) of HN1-strain were amplified by polymerase chain reaction (PCR). The amplified NS1 fragment of PPV was 624bp in length ; the amplified VP2 fragment of PPV was 882bp in length .

• 本研究利用PCR技术对猪细小病毒HN1株NS1基因与VP2基因进行扩增,分别得到624bp和882bp的基因片段。