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正确选择给药方法和技术,规范使用药物防治病害,是确保无公害水产品生产和提高养殖效益的前提。1正确诊断对症下药
Correct choice of methods and techniques of administration, the standard use of drugs to prevent diseases, is to ensure pollution-free aquaculture production and improve farming efficiency of the premise. A correct diagnosis of the right medicine