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《Progress in Veterinary Medicine》 2018-06
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Antimicrobial Resistance Analysis of Escherichia coli Isolated from Some Swine Farms in Hebei Province

TIAN Rui;LIU Xuan-fu;ZHANG Dong-lin;XIN Shu-yang;HUO Shao-fei;YANG Cai-ran;LIU Xie-rong;RUI Ping;MA Zeng-jun;Key Laboratory of Perventive Veterinary Medicine of Hebei,Hebei Normal University of Scicine and Technology;  
To understand the drug resistance to E.coli in scale pig farms in Hebei province,this study collected intestinal swab from scale pig farms of nine districts,240 strains of E.coli were obtained through the isolation and identification.The minimal inhibitory concentrations(MIC)of 13 commonly used antimicrobial agents against isolated strains were determined by broth microdilution method,the critical concentration was determined by the United States Clinical Laboratory Standards Board(NCCLS),and the rate of drug resistance was statistically determined.The results showed that most strains were not sensitive to ampicillin,amoxicillin/clavulanic acid,cephalosporins,thiamethoxam injunctions,amikacin,levofloxacin,the rates of drug resistance were 99.58%,98.75%,65%,78.75%,98.33%,respectively;All of the strains were resistant to spectinomycin,doxycycline,florfenicol,sulfadiazine,enrofloxacin,maquindox,colistin;the drug resistance rate was 3.81%to meropenem.
【Fund】: 河北省现代农业产业技术体系生猪疫病控制创新团队岗位项目(HBCT2013070204);; 秦皇岛市科技局项目
【CateGory Index】: S852.61
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