PREVALENCE AND ANTIMICRIBIAL SUSCEPTIBILITY OF ESCHERICHIA COLI O157:H7 ISOLATED FROM HUMAN AND ANIMAL SOURCES IN BASRAH PROVINCE

The present study assessed the prevalence of Escherichia coli O157 in diarrhea patients ,beef, and raw milk. A total of 675 samples were inoculated in trypticase soy broth to enhance the growth of E. coli O157:H7. Out of total samples 73.5% isolated as E. coli then cultured on Sorbitol MacConkey aga...

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Bibliographic Details
Main Authors: Bassam Y. Khudaier, Basil A. Abbas, Khulood A. Khleel
Format: Article
Language:English
Published: College of Veterinary Medicine, University of Basrah, Iraq 2012-12-01
Series:Basrah Journal of Veterinary Research
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Online Access:https://bjvr.uobasrah.edu.iq/article_68915_c9cc51d20fe86e598711ee7f376c147c.pdf
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Summary:The present study assessed the prevalence of Escherichia coli O157 in diarrhea patients ,beef, and raw milk. A total of 675 samples were inoculated in trypticase soy broth to enhance the growth of E. coli O157:H7. Out of total samples 73.5% isolated as E. coli then cultured on Sorbitol MacConkey agar ,31.8% non fermenting sorbitol (NSF) E. coli colonies were isolated and confirmed by specific biochemical tests . From NSFEC 13.7% were diagnosed as E.coli O157:H7 by serological test ,the result revealed no significant differences in the level of contamination with E. coli O157:H7 between beef ,stool and milk .The isolated bacteria were tested for antibiotic susceptibility test which showed resistance 100% to cephalothin ,cefoxitin , cefixime, trimethoprim , amoxicillin, azithromycin, and amoxicillin/clavulanic acid and sensitive 100% to ciprofloxacin ,imepenim ,nitrofurantion gentamycin and amikacin . No major differences in antibiotic susceptibility patterns among the isolates were observed.
ISSN:1813-8497
2410-8456