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近年,农村精养鱼池增多,投放鱼种密度大,水质也较肥,但一到炎热的夏季,容易发生鱼浮头。轻者影响鱼生长,重者导致鱼死亡。在目前大多无增氧设备和药物的情况下,采用土方妙法,防治效果显著。
In recent years, there has been an increase in intensive fish ponds in rural areas. Large-density fish species have been put in place and water quality is also fatter. However, once the hot summer season is over, fish floating heads are prone to occur. Light affect fish growth, severe cases lead to fish death. Most of the current no oxygen equipment and drugs in the case, the use of earth magic method, prevention and treatment of significant effect.