在池塘养鱼中,随着精养化程度的提高,养殖鱼类出现浮头是一种较为普遍的现象,轻则影响生长,重则引发大面积的死亡。一般认为是池塘养殖鱼类密度过大,超过了池塘的负载量;或者是由于水质过肥引起。笔者根据多年的生产实践,仔细观察了池塘养殖鱼类出现浮头的现象,对产生这一现象? In fish ponds, with the enhancement of the degree of decontamination, floating fish appeared in aquaculture is a more common phenomenon, ranging from the impact of growth, weight is caused by a large area of ​​death. It is generally considered that the density of fish farmed in ponds is too large to exceed the capacity of ponds, or that the water quality is too fat. According to many years of production practice, I carefully observed the emergence of floating pond fish pond phenomenon, to produce this phenomenon?