南美白对虾桃拉病毒病是因我国从国外引进南美白对虾亲本而传播到我国大陆及台湾地区。1 999年该病在台湾地区大面积暴发 ,使台湾地区南美白对虾养殖生产遭到严重挫折。 2 0 0 0年以来 ,该病在广东、广西、海南等省沿海海水养殖密集区均有发生 ,并逐步漫延。今年 7月初以来 ,上 South American white shrimp Taura virus disease is due to China’s introduction of Penaeus vannamei from abroad and spread to China’s mainland and Taiwan. The outbreak of this disease in Taiwan in 1999 caused a serious setback in the production of white shrimp in Taiwan. Since 2000, the disease has occurred in coastal marine aquaculture intensive areas in Guangdong, Guangxi and Hainan provinces and has gradually spread. Since early July this year, on