Seasonal Variation in the Prevalence and Antimicrobial Resistance of Campylobacter in Milk and Milk Products in Ethiopia

Admasie, Abera; Tessema, Tesfaye Sisay; Vipham, Jessie L.; Kovač, Jasna; Zewdu, Ashagrie

doi:10.2139/ssrn.4479841

2023

DOI: 10.2139/ssrn.4479841

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Seasonal Variation in the Prevalence and Antimicrobial Resistance of Campylobacter in Milk and Milk Products in Ethiopia

Abera Admasie

Tesfaye Sisay Tessema

Jessie L. Vipham

et al.

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Genotyping and antibiotic susceptibility of Campylobacter species isolated from raw milk samples in Qazvin, Iran

Ahmadi,

Pakbin,

kazemi

et al. 2023

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Objective Campylobacter species are major causes of foodborne illnesses, with unpasteurized milk being a significant carrier of these bacteria, posing a public health risk. One of the challenges in managing Campylobacter infections is the emergence and spread of antibiotic resistance. We conducted a study in Qazvin, Iran, testing 84 raw cow’s milk samples to determine the frequency of C. jejuni and C. coli using culture-based and multiplex PCR methods. Additionally, the disk diffusion and RAPD-PCR approaches were utilized to evaluate the phenotypic antibiotic resistance profile and genetic diversity of Campylobacter strains. Results The findings indicated that Campylobacter spp. was present in 19.05% of the samples, with C. coli being the predominant isolate. We tested eight antibiotic agents, and the resistance levels of the isolates were as follows: erythromycin 100%, tetracycline 75%, doxycycline 56.25%, ceftriaxone 43.75%, chloramphenicol 37.5%, amoxicillin-clavulanic acid 25%, nalidixic acid 12.5%, and azithromycin 6.25%. Genetic diversity analysis categorized Campylobacter isolates into 39 clusters, indicating a wide diversity among strains. However, no significant correlation was observed between antibiotic resistance and cluster patterns. These findings underscore the role of raw milk as a reservoir for Campylobacter spp. and highlight the substantial antibiotic resistance and genetic diversity within the species population.

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Genotyping and antibiotic susceptibility of Campylobacter species isolated from raw milk samples in Qazvin, Iran

Ahmadi,

Pakbin,

kazemi

et al. 2023

BMC Res Notes

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Seasonal Variation in the Prevalence and Antimicrobial Resistance of Campylobacter in Milk and Milk Products in Ethiopia

Cited by 1 publication

References 0 publications

Genotyping and antibiotic susceptibility of Campylobacter species isolated from raw milk samples in Qazvin, Iran

Genotyping and antibiotic susceptibility of Campylobacter species isolated from raw milk samples in Qazvin, Iran

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