夏秋气温高，天气闷热，鱼放养过多和水质败坏等极易引起鱼浮头，甚至泛池死亡，造成较大的经济损失。因此，加强日常管理，及时防鱼浮头泛池，确保鱼健康成长。 　　一、鱼浮头的原因 鱼投放密度过大，投饵施肥超量，池底淤泥过深，水质过肥，水质恶化；水体被有毒有害物质污 Summer and autumn, high temperatures, hot weather, excessive fish stocking and water quality can easily lead to fish floating head, pan-Chi even death, resulting in greater economic losses. Therefore, to strengthen day-to-day management and prevent floats floating in time to ensure the healthy growth of fish. First, the reasons for the floating fish The fish put too much density, feeding excess fertilizer, the bottom silt too deep, the water quality is too fat, deteriorating water quality; water was toxic and hazardous substances