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yi li luo fei yu wen he qi dan bao jun de fen li jian ding ji yao min shi yan
Author(s): 
Pages: 65-66
Year: Issue:  12
Journal: Current Fisheries

Keyword:  温和气单胞菌 罗非鱼养殖 分离鉴定 药敏试验 药物敏感性试验 普通营养琼脂 生化鉴定 发生情况 培养基 养殖生产;
Abstract: <正>罗非鱼原产于非洲,属于热带鱼类,具有适应性强、食性广、耐低氧、生长快、肉质好等优点。近年随着我省罗非鱼养殖迅速发展,产量效益不断提高,但病害发生情况也日益严重,对养殖生产造成较大损失。今年4月,陕西省合阳县新民水产原良种场报告该场南4亩微流水罗非鱼池出现开始零星死亡,具体症状为患病个体水面离群独游,游动缓慢,外观检查体表鳞片相对整齐,胸鳍、腹鳍基部充血明显,鳃丝暗红色,镜检正常。解剖鱼体发现有少量腹水,肝脏有红色小点分布,脾脏淡红色,胆囊较大,肠道食物较少,镜检无
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