黄鳝的人工养殖近年来发展很快。但是,一些危害黄鳝的疾病,如梅花斑病、肤霉病、毛细线虫病、打印病等,不同程度的影响产量的提高。对此,我们采用了无土养殖方法,即在一定深度的水中放入一些水葫芦。实践证明,无土养殖方法不仅使黄鳝生长发育好,而且能进行自然繁殖,同时又便于捕捉检查。但随之而来的却出现了另一种病害,即黄鳝体表易寄生蚂蟥。寄生了蚂蟥的黄鳝轻者体弱、生长缓慢,重者全池可以死完。因而,如何能杀灭蚂 Eel farming has developed rapidly in recent years. However, some diseases that endanger the eel, such as plum blight, dermatophyte, capillary nematode disease, printing disease, affect the yield to varying degrees. In this regard, we have adopted a soilless farming method that involves putting some water hyacinths in a certain depth of water. Practice has proved that soilless farming methods not only make eel growth and development, but also for natural reproduction, but also easy to catch inspection. But followed by another disease there, that eel parasitic leech surface body. Parasitic lettuce eel light weak, slow growth, heavy whole pool can die. Thus, how to kill the ant