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斑点叉尾鮰细菌性病原的分离与鉴定
引用本文:刘堂水,汪成竹,陈昌福.斑点叉尾鮰细菌性病原的分离与鉴定[J].华中农业大学学报,2006,25(5):550-554.
作者姓名:刘堂水  汪成竹  陈昌福
作者单位:华中农业大学水产学院,武汉,430070
基金项目:国家自然科学基金项目(30271032)资助
摘    要:报道从湖北省宜都市和长阳土家族自治县内清江河内养殖网箱中患病斑点叉尾鮰体内和体表分离致病菌的初步鉴定结果。从患病斑点叉尾鮰上共分离19个菌株,经分别采用注射和浸泡法人工感染试验,证明其中11个菌株能导致试验鱼80%~100%的死亡。根据对菌株的形态和生化特性的测定结果,11个菌株中的BH-001、BH-005、BH-009和BH-011等4个菌株属于叉尾鮰爱德华菌(Edwardsiella ictaluri),而BH-002、BH-015、BH-017和BH-019等4个菌株属于嗜水气单胞菌(Aeromonas hydrophila)。而BH-004、BH-013和BH-016等3个菌株尚未能鉴定其种类。

关 键 词:斑点叉尾鮰  致病菌  分离  鉴定
文章编号:1000-2421(2006)05-0550-05
收稿时间:07 24 2006 12:00AM
修稿时间:2006-07-24

Isolation and Identification of Pathogenic Bacteria from Channel Catfish, Ictalurus punctatus
LIU Tang-shui,WANG Cheng-zhu,CHEN Chang-fu.Isolation and Identification of Pathogenic Bacteria from Channel Catfish, Ictalurus punctatus[J].Journal of Huazhong Agricultural University,2006,25(5):550-554.
Authors:LIU Tang-shui  WANG Cheng-zhu  CHEN Chang-fu
Institution:Fisheries College, Huazhong Agricultural University,Wuhan 430070, China
Abstract:The pathogenic bacteria were isolated from the diseased channel catfish,Ictalurus punctatus,and identified.Healthy channel catfish were infected by injection and immersion with 19 strains of the isolated bacteria.Among the 19 strains,11 strains induced 80%~100% mortality.According to the morphological feature and biochemical characteristics of the isolates,strain BH-001,BH-005,BH009 and BH-011Y62001 belong to Edwardsiella ictaluri,strain BH-002,BH-015,BH-017 and BH-019belong to Aeromonas hydrophila.
Keywords:chanel catfish(Ictalurus punctatus)  pathogenic bacteria  isolation  identification
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