大多数养鱼户对鱼类疾病和寄生虫危害的防治较为重视;却往往忽视了鱼类植物性敌害。事实上,养殖水体中有害植物的清除,同样不可轻视。池塘养鱼中常见的植物性敌害有以下四种: (一)湖淀 又叫铜锈水、臭绿纱,是夏秋季静止的池塘水面上漂浮的翠绿色蓝藻。蓝藻外裹胶膜,鱼吃了不能消化。蓝藻死亡后,其体内 Most fish farmers pay more attention to the prevention and treatment of fish diseases and parasitic hazards; however, fish plant predators are often neglected. In fact, the removal of harmful plants in aquaculture water can not be ignored. Pond fish common plant predators have the following four: (a) Lake also known as copper rust water, stinky green yarn, summer and autumn is still floating pond surface green cyanobacteria floating. Blue algae wrapped film, fish can not digest. After the death of cyanobacteria, its body