Occurrence of Methicillin-resistant Staphylococcus aureus (MRSA) From Dairy Cows in Kebbi, Nigeria
2023
Gaddafi, Mohammed Sani | Yakubu, Yusuf | Junaidu, Abdulkadir Usman | Bello, Muhammad Bashir | Bitrus, Asinamai Athliamai | Musawa, Aliyu Ibrahim | Garba, Bashiru | Lawal, Habiba
Background: Methicillin-resistant Staphylococcus aureus (MRSA) is an important healthcare-associated pathogen that is also an emerging zoonosis. Objectives: A cross-sectional study was conducted to investigate the prevalence of MRSA in dairy cattle farms in Kebbi, North-Western Nigeria.Methods: A total of 200 milk samples, consisting of 50 samples each from lactating cows, were collected and used. The samples were analyzed using bacterial culture and isolation and polymerase chain reaction (PCR). Suspected MRSA isolates were identified via PCR detection of the mecA gene, and antimicrobial susceptibility profiles of the isolates were assessed using the Kirby-Bauer disk diffusion method.Results: Of the two hundred milk samples examined, the prevalence of MRSA was recorded at 18% (36/200) using phenotypic and genotypic characterization methods. The susceptibility to vancomycin was observed in all isolates, and they had a multiple antibiotic resistance (MAR) index of >0.4.Conclusion: This investigation showed the colonization of healthy dairy cows by multidrug-resistant MRSA.
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