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中草药防治鱼病具有许多优点。池埂、路边和荒滩均长有中草药,能就地取材,节省成本;用药后,不会发生死鱼现象,无残毒,也无副作用;操作简便易学,防治效果也较明显。现介绍几种防治鱼病的中草药。一、苦楝树枝叶防治车轮虫车轮虫是鱼苗、鱼种培育中危害较严重的一种疾病,会引起幼鱼大量死亡。用苦楝树枝叶防治此病的方法是,先将枝叶切成寸长,放入大锅,加池水3～4倍,水烧开后,煮半小时,上下翻动一次,再煮半小时。煎出黄汁后,连汁带枝叶全池均泼,每亩水深3～
Chinese medicine prevention and treatment of fish disease has many advantages. The ponds, roadsides and wasteland all have Chinese herbal medicines, which can be used locally to save costs. After the medicine is taken, there will be no dead fish, no residual poison and no side effects; the operation is simple and easy to learn and the control effect is more obvious. Now introduce several kinds of Chinese medicine to prevent fish diseases. First, the neem tree leaves prevention and treatment of rotifers rotifers rotifers are fry, fish breeding more serious disease, will cause a large number of juvenile death. Neem tree leaves with the prevention and treatment of the disease method is first cut into inch long branches, into the cauldron, add water 3 to 4 times, boil water, cook for half an hour, up and down once, and then cook for half an hour. After the fried yellow juice, with juice and leaves all the pool are splashed, water depth per acre 3 ~