Isolation Identification Antimicrobial Profile And Molecular Characterization Of Enterohaemorrhagic E. Coli O157h7 Isolated From Ruminants Slaughtered At Debre Zeit Elfora Export Abattoir And Addis Ababa Abattoirs Enterprise

A cross sectional study was conducted from December 2014 to June 2015 on apparentlyrnhealthy ruminants slaughtered at Debre Zeit ELFORA export abattoir and Addis AbabarnAbattoirs Enterprise in order to determine the prevalence of E. coli with special emphasisrnon E. coli O157:H7 and to assess its antimicrobial resistance pattern. The study was alsornaimed to molecularly characterize the shiga toxin producing E. coli strains usingrnmultiplex PCR technique. 635 carcass swab samples were collected and processedrnaccording to the standard to isolate and identify the pathogen that lead to an overallrnprevalence of 12.9% (E. coli) and 5.5 % (E. coli O157:H7). The prevalence of E. colirnO157:H7 recorded had a statistical difference among animals species and age groupsrn(P

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