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Antimicrobial Resistance Profiles of Staphylococcus aureus Isolated from Meat Carcasses and Bovine Milk in Abattoirs and Dairy Farms of the Eastern Cape, South Africa

1
Department of Biochemistry and Microbiology, University of Fort Hare, Alice 5700, South Africa
2
Department of Biotechnology and Food Technology, University of Johannesburg, Doornfontein 2028, South Africa
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2018, 15(10), 2223; https://doi.org/10.3390/ijerph15102223
Received: 15 August 2018 / Revised: 5 October 2018 / Accepted: 9 October 2018 / Published: 11 October 2018
(This article belongs to the Section Global Health)
Background: Staphylococcus aureus (S. aureus) occasionally threatens the life of the host as a persistent pathogen even though it is normal flora of humans and animals. We characterized drug resistance in S. aureus isolated from animal carcasses and milk samples from the abattoirs and dairy farms in the Eastern Cape Province. Methods: A total of 1000 meat swab samples and 200 raw milk samples were collected from selected abattoirs and dairy farms. S. aureus was isolated and positively identified using biochemical tests and confirmed by molecular methods. An antibiotic susceptibility test was performed on all isolates for 14 antibiotics and correspondent genes were detected. Results: Of the 1200 samples collected, 134 (11.2%) samples were positive for S. aureus. Resistance ranged from 71.6% for penicillin G to 39.2% for tetracycline. A resistance gene (blaZ) was detected in 13 (14.9%), while msrA was found in 31 (52.5%) of S. aureus isolates. Conclusions: The present result shows the potential dissemination of multidrug-resistant S. aureus strains in the dairy farms and abattoirs in the Eastern Cape. Therefore, this implies that the organism may rapidly spread through food and pose serious public health risk. View Full-Text
Keywords: Staphylococcus aureus; meat; raw milk; antibiotics; antibiotic resistance genes Staphylococcus aureus; meat; raw milk; antibiotics; antibiotic resistance genes
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MDPI and ACS Style

Pekana, A.; Green, E. Antimicrobial Resistance Profiles of Staphylococcus aureus Isolated from Meat Carcasses and Bovine Milk in Abattoirs and Dairy Farms of the Eastern Cape, South Africa. Int. J. Environ. Res. Public Health 2018, 15, 2223. https://doi.org/10.3390/ijerph15102223

AMA Style

Pekana A, Green E. Antimicrobial Resistance Profiles of Staphylococcus aureus Isolated from Meat Carcasses and Bovine Milk in Abattoirs and Dairy Farms of the Eastern Cape, South Africa. International Journal of Environmental Research and Public Health. 2018; 15(10):2223. https://doi.org/10.3390/ijerph15102223

Chicago/Turabian Style

Pekana, Abongile, and Ezekiel Green. 2018. "Antimicrobial Resistance Profiles of Staphylococcus aureus Isolated from Meat Carcasses and Bovine Milk in Abattoirs and Dairy Farms of the Eastern Cape, South Africa" International Journal of Environmental Research and Public Health 15, no. 10: 2223. https://doi.org/10.3390/ijerph15102223

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