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二、过敏药物的识别 许多鱼药是针对四大家鱼为主的常规养殖鱼类生产的。对于名特水产养殖,尤其是精养鱼池套养名贵水产,防病用药时则应小心谨慎。应以预防为主,尽量少用药或不用药,谨防药物过敏而中毒死亡。用药量计算要准确,防止过量造成鱼类死亡。如鱼类出现中毒现象,应及时将池水排出一部分,同时加注新水,打开增氧机。斑点叉尾鮰对硝酸亚汞十分敏感,0.0001‰的用量会造成大量死亡,最好不要使用。淡水白鲳对有机
Second, the identification of allergic drugs Many fish medicine is for the four major fish-based conventional farming fish production. For the special aquaculture, especially intensive aquaculture nurturing expensive aquatic products, anti-disease medication should be used with caution. Should be based on prevention, as little as possible medication or no medication, beware of drug allergies and poisoning death. Calculate the dosage should be accurate to prevent excessive death of fish. Such as fish poisoning phenomenon, should promptly discharge part of the water, while filling new water, open the aerator. Catfish 十 is very sensitive to mercury nitrate, 0.0001 ‰ of the amount will cause a large number of death, it is best not to use. Freshwater pomfret is organic