鲤鱼出血病是近年来北方地区高 密度 集约化 养鲤 的一 种危害 严重、死亡率高的常见病,它和鲢、鳙、鲂出血病非常相似,但又有本质的不同。1 症状 发病早期,病鱼全身轻度充血,严重时由点状出血斑演变成斑块状或全身出血,顺鳞片触摸则有血液渗出,鳃出血呈浅红色,或鳃淤血呈深紫 Carp hemorrhagic disease is a common disease with high mortality and high density in intensive intensive carp in northern China in recent years. It is very similar to the bleeding of silver carp, bighead carp and bighead carp, but there are some essential differences. 1 Symptoms Early onset, sick fish systemic mild hyperemia, severe bleeding spot from the point of evolution into plaque or systemic bleeding, cis-scale touch there is blood exudation, gill bleeding was pale red, or gill bruising was purple