论文部分内容阅读
1暴发性败血症(细菌性出血病)这是目前草鱼养殖期间危害最大、流行面积最广、流行季节最长、损失最为严重的一种传染性疾病。1.1发病症状发病早期,草鱼上下颌、口腔、鳃盖、眼睛、鳍的基部及鱼体的两侧均有出血和充血现象。病情严重时,体表严重充血,肛门红肿,腹部膨大,腹腔内积有大量的淡黄色透明的腹水或红色浑浊的腹水并有溶血现象,肠道内无食物却有很多粘液。病鱼有时伴有眼球突出,鳞片竖起,鳃丝末端腐烂等症状。
1, fulminant sepsis (bacterial hemorrhagic disease) This is the most harmful during the breeding of grass carp, the most popular area, the longest season, the most serious loss of a contagious disease. 1.1 The incidence of early onset of disease, grass carp jaw, mouth, gill cover, eyes, fins and fish on both sides of the base have bleeding and congestion phenomenon. Serious illness, severe congestion on the surface, swelling of the anus, swollen abdomen, abdominal a large number of yellow ascites or cloudy ascites and hemolytic phenomenon, there is no food in the intestine but a lot of mucus. Diseased fish sometimes accompanied by prominent eye, scales erect, gill filaments end rot and other symptoms.