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在水产养殖中,人们常常发现有些鱼病表面看来,发病的部位相同、症状也相似,但造成发病原因则完全不同。如果不能正确鉴别,则可能误诊,带来损失。如烂鳃,是鱼的常见病,但往往病原病因并不相同,有细菌性的、真菌性的,也在寄生性的。只有做出正确诊断,才能对病下药。 鱼类的死亡可能有多方面的原因,最主要有鱼病死鱼和化学物中毒死鱼二种。由于工业废水及城市生活污水大量排放,使污染死鱼事故接连发生,渔业资源受到严重破坏。因此,正确区分鱼病死鱼与化学物中毒死鱼,以便及时采取有效措施,减少中毒损失,显得越来越重
In aquaculture, people often find some fish diseases on the surface, the same parts of the disease, the symptoms are similar, but the cause of the disease is completely different. If not correctly identified, it may be misdiagnosed, resulting in loss. Such as rotten gill, is a common fish disease, but often the cause is not the same pathogen, a bacterial, fungal, but also parasitic. Only by making the correct diagnosis can we treat the disease. The death of fish may have many causes, the most important fish dead fish and chemical poisoning dead fish two. Due to the massive discharge of industrial wastewater and urban domestic sewage, the accidental death of contaminated dead fish occurred one after another, causing serious damage to fishery resources. Therefore, the correct distinction between fish and dead fish and chemical poisoning dead fish in order to take timely and effective measures to reduce poisoning losses, it seems more and more heavy