近年来,随着浙江省农业产业结构调整,水产养殖生产规模的不断扩大,集约化程度的不断提高,水产养殖病害问题日益突出。受高密度放养、强化投饲、过度施肥等人为因素的影响,加上养殖水域受工业、农业和生活污水的污染,渔业生产的生态系统受到不同程度的影响,导致水产养殖的品种种 In recent years, along with the adjustment of the structure of agricultural industry in Zhejiang Province, the scale of aquaculture production continues to expand, and the degree of intensification has been continuously raised, the problem of aquaculture diseases has become increasingly prominent. Influenced by human factors such as high-density stocking, intensive feeding and over-fertilization, together with the pollution of industrial, agricultural and domestic sewage in the aquaculture waters, the ecosystem of fishery production is affected to varying degrees, resulting in varieties of aquaculture species