2003年度对天津地区养殖的草鱼、鲤鱼、鲫鱼、鲂鱼和南美白对虾5个品种的病害流行情况进行调查监测。结果表明,出现病害20种,以病毒、细菌、寄生虫等生物源性疾病为主,出现率80%,累计造成直接经济损失7644.68万元。调查了天津地区投饵型鱼类和南美白对虾病害流行情况,为病害防治提供科学依据。 In 2003, the disease prevalence of 5 species of grass carp, carp, crucian carp, bighead carp and white leg shrimp Penaeus vannamei cultured in Tianjin was investigated and monitored. The results showed that there were 20 kinds of diseases, mainly of biological diseases such as viruses, bacteria and parasites, with a prevalence rate of 80%, causing a total direct economic loss of 76.4468 million yuan. The prevalence of feeding fish and P. vannamei in Tianjin area was investigated to provide a scientific basis for disease prevention and control.