一、勤观察,早治疗一般鱼被病原体感染或侵袭后,都有一段过程,有一些征兆,如病鱼活动迟钝,常缓慢游于水的表面,不聚群。若有惊动,略下沉后,即浮出水面。也有一些鱼刚发病时,狂游急窜,或体色灰暗,鳞片脱落等。再如,白鲫出血病发生后,早期鱼塘中的野小杂鱼死亡等。当发现鱼池中出 First, the ground observation, early treatment General fish infected by pathogens or invasion, there is a process, there are some signs, such as diseased fish slow, often slowly swim on the surface of the water, do not cluster. If you are alarmed, slightly sink, that surfaced. There are also some fish just onset, mad rush rush channeling, or body color dark, scales and other off. Another example is the white carp bleeding after the occurrence of wild fish in the early small fish pond deaths. When found in the fish pond out