随着池塘精养水平和集约化程度的提高,养殖密度越来越高,饲料使用量也加大,导致水环境发生了变化,出现了一些新病害。现将笔者近期在养殖区调查发现的三种异常情况进行剖析,并提出处理建议,供养殖者参考。1鱼类肝胆综合症症状:该病最典型的特征是肝胆肿大和变色。发病初期,肝脏 With the improvement of the level of intensive cultivation and intensification of ponds, the breeding density is getting higher and higher, and the amount of feed used also increases. As a result, the water environment has changed and some new diseases have emerged. Now the author of the aquaculture in the recent survey found that three anomalies were analyzed and proposed treatment recommendations for the farmers reference. 1 fish hepatobiliary syndrome symptoms: The most typical features of the disease is hepatomegaly and discoloration. Early onset, liver