鱼种池中生长的螺类,不仅同鱼争氧争肥,影响鱼类的生长,而且螺类还是一种对鱼类有致命危害作用的复口吸虫等寄生虫的宿主。过去虽用人工摸除,但效果不佳,年年摸,年年有,对此渔农深感头痛。为解决这一问题,阜宁县水产养殖场采用灭螺鱼安灭螺,并进行了多种浓度试验,取得了良好的效果。灭螺鱼安是粉剂,使用时只要兑水在鱼池中全池泼 The snails that grow in the fish ponds not only fight the fish for oxygen, but also affect the growth of the fish. Moreover, the snail is also a host of parasites such as the reptiles and fishes that are fatal to fish. Although in the past with artificial touch, but the effect is not good, year after year touch, year after year, this is a deep headache for fishermen. In order to solve this problem, Funing County aquaculture farms used molluscicocidae to kill snails and conducted various concentration tests with good results. Offspring Ann is a powder, when used as long as the watered pool in the pond full of water