中国动物传染病学报2024，Vol.32Issue(3)：110-118,9.
和田地区鹅源致病性大肠杆菌的血清群、致病性与耐药性研究
Serogroup,Pathogenicity and Drug Resistance of Pathogenic Escherichia coli from Geese in Hotan Area
摘要
Abstract
In order to find out whether the diseases characterized bydiarrhea,pericarditis and pericarditis were caused by Escherichia coli on goose farms in Hotan,Xinjiang,23 visceral samples were collected from dead geese forE.coli isolation.The bacterial isolates were identified using PCR and analyzed for their O serogroup,pathogenicity and drug resistance.The results showed that a total of 23 E.coli strains were isolated and their serogroups were determined as O18(21.74％),O78(13.04％),O2(8.70％)and O1(4.35％).The serogroups of 12 strains(52.17％)was unknown.The main virulence genes include irp2(95.65％),iucD(73.91％),fyuA(17.39％)and astA(8.70％),which were all pathogenic to mice.The drug resistance rates of these 23 strains were found 100％to tetracycline and 60.87％-95.65％to chloramphenicol,ciprofloxacin,ampicillin,levofloxacin,piperacillin,compound sulfamethoxazole,streptomycin and cefotaxime.A total of 12 drug resistance genes were detected,among which tetA,tetG,cmll,blaTEM,sull,aac and blaCTX-M-1 accounted for more than 43.48％,blaSHV,blaCTX-M-9,tetE and aadAl for 4.35％-30.43％.The blaCTX-M-2 gene was not detected.This study confirmed that diarrhea,perihepatic inflammation and pericarditis on goose farms in Hotan area were caused by E.coli infection.In addition,these of E.coli strains possessed complicated serotypes and severe drug resistance.关键词
腹泻/大肠杆菌/血清群/致病性/耐药性Key words
Diarrhea/Escherichia coli/serogroup/pathogenicity/drug resistance分类
农业科技引用本文复制引用
程雪梅,肖海侠,王芋丹,王一霖,白怡馨,苏战强,佟盼盼..和田地区鹅源致病性大肠杆菌的血清群、致病性与耐药性研究[J].中国动物传染病学报,2024,32(3):110-118,9.基金项目
和田地区特色畜禽安全高效生产关键技术集成与示范(2020B01004) （2020B01004）
基于集约化养殖企业生产需求的团队式兽医硕士培养模式实践研究(xjauyzkc-yjs-2021) （xjauyzkc-yjs-2021）
2022年自治区现代畜禽种业提升专项资金(2022-xjjq-z-05) （2022-xjjq-z-05）
新疆农业大学校级大学生创新创业训练计划项目(dxscx2021140) （dxscx2021140）
