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标题：Occurrence of Escherichia coli O157 in Retailed-Beef and Related Meat Products in Zaria, Nigeria
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作者：Salome Y. Tafida ; Jacob K. P. Kwaga ; Mohammed Bello 等
期刊名称：Food and Nutrition Sciences
印刷版ISSN：2157-944X
电子版ISSN：2157-9458
出版年度：2014
卷号：5
期号：6
页码：481-487
DOI：10.4236/fns.2014.56057
出版社：Scientific Research Publishing
摘要：This study evaluated retailed-beef and related meat products for E. coli O157 in Zaria, Nigeria. Sample types included raw meat, “suya” (roasted meat), “balangu” (barbequed meat), “kilishi” (spiced sun dried meat) and “dambu” (shredded fried meat). A total of 182 samples were analyzed for E. coli O157. Isolates were characterized using conventional biochemical methods and Microbact 12E test kit. Susceptibilities of the isolates to 18 commonly used antimicrobial agents were determined by the disk diffusion method. The carriage of stx1 and stx2 genes was determined by PCR. Microbact confirmed 4 E. coli isolates. All isolates exhibited multiple drug resistance to the antimicrobial agents tested. An overall prevalence of 2.2% was obtained for E. coli O157. All 4 isolates of E. coli O157 were isolated from raw meat; two of which harboured the stx1 gene.
关键词：<i>E. coli</i> O157; Meat Products; Multiple Drug Resistance; Food Safety