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利用中草药防治鱼病，药源丰富，成本低廉，疗效好。但不少养鱼户，缺乏中草药防治鱼病知识，往往用药不当，效果不佳。对如何提高中草药防治鱼病的疗效，笔者在防治鱼病的实践中，进行了多年探索，效果显著。现综述如下。１查病因，准确诊断鱼病１．１水体环境因素鱼类生活在
The use of Chinese medicine prevention and treatment of fish diseases, rich source of drugs, low cost and good curative effect. However, many fish farmers, lack of knowledge of Chinese medicine prevention and treatment of fish disease, often improper medication, poor results. How to improve the efficacy of Chinese herbal medicine in the prevention and treatment of fish diseases, the author in the practice of prevention and treatment of fish diseases, for many years to explore, the effect is remarkable. Are summarized below. 1 check etiology, accurate diagnosis of fish disease 1.1 environmental factors of water fish living in