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在池塘养殖水体中亚硝酸盐含量偏高现象相当严重,在不注意的情况下会突然升高,导致养殖对象的突然死亡,给养殖者造成严重的经济损失,即使有时达不到致死浓度,但由于含量超过养殖对象的忍耐程度,导致生理功能紊乱,而影响其生长或引起其他疾病的发生。黑龙江省大部分养鱼水面是在
In aquaculture ponds, the phenomenon of high nitrite content is quite serious, which suddenly rises when it fails to pay attention to it. As a result, the sudden death of breeding objects causes serious economic losses to farmers. Even if the lethal concentration is not reached in some cases, However, due to the content of more than the tolerance of cultured objects, leading to physiological disorders, which affect their growth or cause other diseases. Heilongjiang Province, most of the fish in the water