养殖草鱼,技术简单,饵料来源广泛,经济效益较高,因此许多养殖户都把草鱼作为主养鱼品种。但泛塘现象比较突出,容易引起大量死亡。1·泛塘原因实践表明,泛塘除与水质恶化外,与草鱼本身晚间摄食过量有关。有些养殖户认为,夜间投喂饲料可促进草鱼生长,可早日捕捞上市。实际上,草鱼 Grass carp breeding, simple technology, a wide range of sources of food, high economic benefits, so many farmers have the grass carp as the main fish species. But Pan Tong phenomenon is more prominent, easily lead to a large number of deaths. 1. Pan Tong Cause Practice shows that Pan Tong except with deteriorating water quality, grass carp itself is related to excessive intake of evening meal. Some farmers think that feeding the fodder at night can promote the growth of grass carp, fishing as soon as possible the market. In fact, grass carp