淡水鱼在养殖中,容易发生一些症状相似的疾病,如不及时“辨症”,极易出现误治,从而拖延加重病情,带来额外损失。1.肠炎型出血病与细菌性肠炎病鱼的共同特征是肠道充血发炎。明显区别是:肠炎型出血病主要表现为,肠道局部或全肠因出血而变得鲜红,肠壁微血管特别明显,肠道充血而不 Freshwater fish in breeding, prone to some symptoms of similar diseases, such as failure to “identify disease”, prone to mistreatment, which delays the increase of the disease, resulting in additional losses. 1. Enteritis-type hemorrhagic disease and bacterial enteritis fish common feature is intestinal congestion and inflammation. Obvious difference is: enteritis-type hemorrhagic disease mainly as part of the intestinal tract or the whole intestine due to bleeding and become bright red, particularly obvious intestinal microvascular, intestinal congestion and not