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Prevalence of Escherichia coli O157:H7 in beef cattle at slaughter and beef carcasses at retail shops in Ethiopia

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Abstract
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.
Keywords
FEEDLOT CATTLE, O157-H7, CONTAMINATION, COLONIZATION, PRODUCTS, HIDES, FECES, E. coli O157:H7, Beef cattle, Skins, Carcass, Antimicrobial resistance

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Chicago
Abdissa, Rosa, Woynshet Haile, Akafete Teklu Fite, Ashenafi Feyisa Beyi, Getahun E Agga, Bedaso Mammo Edao, Fanos Tadesse, et al. 2017. “Prevalence of Escherichia Coli O157:H7 in Beef Cattle at Slaughter and Beef Carcasses at Retail Shops in Ethiopia.” Bmc Infectious Diseases 17.
APA
Abdissa, R., Haile, W., Fite, A. T., Beyi, A. F., Agga, G. E., Edao, B. M., Tadesse, F., et al. (2017). Prevalence of Escherichia coli O157:H7 in beef cattle at slaughter and beef carcasses at retail shops in Ethiopia. BMC INFECTIOUS DISEASES, 17.
Vancouver
1.
Abdissa R, Haile W, Fite AT, Beyi AF, Agga GE, Edao BM, et al. Prevalence of Escherichia coli O157:H7 in beef cattle at slaughter and beef carcasses at retail shops in Ethiopia. BMC INFECTIOUS DISEASES. 2017;17.
MLA
Abdissa, Rosa, Woynshet Haile, Akafete Teklu Fite, et al. “Prevalence of Escherichia Coli O157:H7 in Beef Cattle at Slaughter and Beef Carcasses at Retail Shops in Ethiopia.” BMC INFECTIOUS DISEASES 17 (2017): n. pag. Print.
@article{8520224,
  abstract     = {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.},
  articleno    = {277},
  author       = {Abdissa, Rosa and Haile, Woynshet and Fite, Akafete Teklu and Beyi, Ashenafi Feyisa and Agga, Getahun E and Edao, Bedaso Mammo and Tadesse, Fanos and Korsa, Mesula Geloye and Beyene, Takele and Beyene, Tariku Jibat and De Zutter, Lieven and Cox, Eric and Goddeeris, Bruno},
  issn         = {1471-2334},
  journal      = {BMC INFECTIOUS DISEASES},
  keyword      = {FEEDLOT CATTLE,O157-H7,CONTAMINATION,COLONIZATION,PRODUCTS,HIDES,FECES,E. coli O157:H7,Beef cattle,Skins,Carcass,Antimicrobial resistance},
  language     = {eng},
  pages        = {6},
  title        = {Prevalence of Escherichia coli O157:H7 in beef cattle at slaughter and beef carcasses at retail shops in Ethiopia},
  url          = {http://dx.doi.org/10.1186/s12879-017-2372-2},
  volume       = {17},
  year         = {2017},
}

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