Journal
BMC INFECTIOUS DISEASES
Volume 17, Issue -, Pages -Publisher
BIOMED CENTRAL LTD
DOI: 10.1186/s12879-017-2372-2
Keywords
E. coli O157:H7; Beef cattle; Skins; Carcass; Antimicrobial resistance
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Funding
- Addis Ababa University, Ethiopia
- VLIR-UOS Promotion of the PhD program in Veterinary Public Health at the faculty of Veterinary Medicine, AAU between Ethiopia and Flanders (Belgium)
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Background: There is paucity of information regarding the epidemiology of Escherichia coli O157: H7 in developing countries. In this study, we investigated the occurrence of E. coli O157: H7 associated with beef cattle at processing plants and at retail shops in Ethiopia. Methods: Various samples were collected from beef cattle at slaughter/processing plants, carcass at retail shops and humans at health centers. E. coli O157: H7 was isolated, identified and characterized for antimicrobial resistance, using standard microbiological methods. Results: At the processing plants E. coli O157: H7 was detected in 1.89% of fecal, 0.81% of intestinal mucosal swab, 0.54% of skin swab and 0.54% of carcass internal swab samples. At retail shops it was detected in 0.8% of carcass and 0.8% of cutting board swab samples, while all samples from utensils, hands from workers, and fecal and stool samples were negative. All isolates were resistant to Amoxicillin, moderately resistant to Cefoxitine and Nitrofurantoins but susceptible to other antimicrobials tested. Conclusions: E. coli O157: H7 occurs at low prevalence in beef cattle, and the current sanitary dressing procedures in the processing plants and storage conditions in the retail shops are effective against E. coli O157: H7.
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