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危害养殖鱼类的病原性疾病主要有病毒性疾病、细菌性疾病和寄生虫性疾病等。细菌性疾病可通过抗生素来治疗,寄生虫性疾病可用杀虫剂等进行有效治疗,而病毒性疾病由于其病原体微小,在宿主细胞内增殖,采用药物治疗方法很难治愈,一旦暴发病毒性疾病将损失惨重,所以病毒性疾病应该以预防为主。近年国家对水生动物疫病越来越重视,2008年农业部对《一、二、三类动物疫病病种名录》进行修订,其中涉及鱼病的一类疫病1种、二类疫病11种,其中9种为病毒性疾病,因此本文重点对鱼类病毒性疾病的防控技术作简单介绍。
Pathogenic diseases that endanger farmed fish are mainly viral diseases, bacterial diseases and parasitic diseases. Bacterial diseases can be treated by antibiotics, parasitic diseases can be effectively treated with insecticides, etc., and viral diseases due to its small pathogen in the host cell proliferation, the use of drug treatment is difficult to cure once the outbreak of viral diseases Will suffer heavy losses, so viral diseases should be based on prevention. In recent years, the state attaches more and more importance to aquatic animal epidemic diseases. In 2008, the Ministry of Agriculture revised the list of diseases classified as “one, two and three types of animal diseases”, including one type of epidemic disease of fish diseases and 11 types of second type epidemic diseases, of which Nine kinds of viral diseases, this article focuses on prevention and control of fish viral diseases for a brief introduction.