在有的池塘养殖水体中,亚硝酸盐含量偏高现象相当严重,而且在不注意的情况下还会突然升高,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。尤其我省大部分 In some pond aquaculture water, the high nitrite content is quite serious, and in the case of unnoticed sudden increase, resulting in the sudden death of breeding objects, causing serious economic losses to farmers, even if sometimes up to Not to lethal concentration, but due to the content of tolerance beyond the breeding object, leading to physiological disorders, which affect their growth or cause other diseases. In particular, most of our province