鳗鱼的养殖、加工和出口是当前我国发展三高农业的重要组成部分之一。目前,世界养鳗大致分为两种形式,一是温流水高密度养鳗。采用温室或流水养殖,鳗鱼生长快,成活率高,单位面积产量高,生长周期短,资金周转快,但需要完整的设备,耗电、耗能、耗水量大,养殖管理技术要求高,生产过程产生的弱苗比例大。二是“软式养 Eel farming, processing and exporting is currently one of the important components of the development of agriculture in our country. At present, the world eel can be roughly divided into two forms, one is warm water high-density eel. The use of greenhouse or aquaculture, eel fast growth, high survival rate, high yield per unit area, short growth cycle, rapid cash flow, but the need for a complete equipment, power consumption, energy consumption, water consumption, high requirements of farming management, production The process produces a large proportion of weak seedlings. The second is "soft support