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近几年来,群众普遍反映,鱼药含量偏低,鱼病难以治疗。由于条件所限,一般渔业生产单位尚不能对药物进行定量分析,因此,许多渔民在用药时盲目加大剂量,这不仅易造成浪费,而且还时有中毒死鱼的事故发生。对此我们采用梯级浓度试验法确定用药剂量,效果很好。具体方法如下: 取3～5个容器(如面盆、水桶等),编号后盛装发病池中的水、病鱼及病原体,然后针对疾病种类,选取适当的药物,1号容器中用理论浓度,2号加大5%,余类推,一般一次试验便可找到比较合适的浓
In recent years, people generally reflect the low content of fish medicine, fish disease is difficult to treat. Due to the limited conditions, the general fishery production units are not yet able to quantitatively analyze the drugs. Therefore, many fishermen blindly increase the dosage when using the drugs. This not only causes waste easily, but also causes the accidental poisoning of dead fish. In this regard, we use the step concentration test method to determine the dose, the effect is very good. Specific methods are as follows: take 3 to 5 containers (such as basins, buckets, etc.), the number contained in the pool of pathogens, sick fish and pathogens, and then for the disease types, select the appropriate drugs, No. 1 container with the theoretical concentration, 2 increase 5%, and the rest of analogy, the general test can find a more appropriate concentration