盛夏酷暑季节，防止鱼泛塘是日常鱼池管理的重要内容。一、引起鱼泛塘的原因１．水肥鱼密，耗氧大。各种浮游生物、底栖生物、好气性细菌等都要进行呼吸作用，鱼类排泄物及其它有机物的分解也要消耗大量氧气，引起水中缺氧，造成鱼浮头泛塘。２．阴雨天浮游植物的光合作用减弱 Summer season, to prevent fish Pan pond is an important part of daily fish pond management. First, the cause of fish Pan Tong 1. Water and fat fish dense, large oxygen consumption. A variety of plankton, benthic organisms, aerobic bacteria, etc. must be respiration, fish excrement and other organic matter decomposition also consume a lot of oxygen, causing water hypoxia, resulting in fish float Pan Tong. 2. Photosynthesis of phytoplankton diminished on rainy days