北方地区对虾养殖生产常因病毒侵袭而爆发传染性疾病，除危害最甚的对虾白斑病毒病外，近年来中国对虾肝胰腺细小样病毒病的发病率有逐年上升的趋势。该病病程缓慢且流行时间长，可造成对虾养成率低等恶果，发病严重的虾池可减产５０％－７０％以上，严重影响养虾效益，为研究 In northern China, shrimp farming often causes infectious disease outbreaks due to virus invasion. In addition to the most harmful shrimp white spot virus disease, the incidence of hepatopancreas small parody virus disease has been increasing year by year in recent years. The slow course of the disease and the prevalence of time, can lead to low rates of shrimp cultivation, the incidence of severe shrimp ponds can be reduced by 50% -70%, seriously affecting the benefits of shrimp, for the study