ORIGINAL RESEARCH article
Front. Microbiol.
Sec. Food Microbiology
Volume 16 - 2025 | doi: 10.3389/fmicb.2025.1607032
This article is part of the Research TopicAntimicrobial Resistance: Tracking and Tackling in the Food ChainView all 8 articles
Prevalence and Multidrug Resistance of Salmonella Serovars in Food Samples from Qazvin, Iran
Provisionally accepted
- 1Qazvin University of Medical Sciences, Qazvin, Qazvin, Iran
- 2Shiraz University of Medical Sciences, Shiraz, Fars, Iran
- 3Texas A and M University, College Station, United States
- 4HES-SO Valais-Wallis, Sion, Valais, Switzerland
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One of the most common harmful bacteria found in food is Salmonella. Foodborne diseases pose a substantial risk to public health and the economy. This study aimed to determine the incidence and antibiotic resistance of Salmonella species found in industrial chicken, raw cow's milk and vegetables sourced from Qazvin City, Iran. We used culture-based methods, the Kirby-Bauer disk diffusion susceptibility assay, and PCR tests to find out how common the Salmonella isolates were and how resistant they were to different antibiotics. Out of 201 samples, 18 (8.95%) tested positive for Salmonella. There was a lot of resistance in the Salmonella isolates to drugs like amoxicillin (83.33%), ampicillin (66.66%), cefepime (61.11%), doxycycline (50%), tetracycline (44.44%), penicillin (44.44%), cefoxitin (44.44%), trimethoprim-sulfamethoxazole (38.88%), chloramphenicol (38.88%), nalidixic acid (38.88%), and ciprofloxacin (33.33%). In contrast, all isolations were susceptible to Gentamicin and 55.54% were resistant to multiple drug classes. This study revealed the pervasive occurrence of Salmonella and the emergence of multidrug resistance, which presents considerable public health implications. Consequently, we must implement essential measures to prevent humans and fauna from acquiring multidrug-resistant variants of Salmonella.
Keywords: Salmonella, antibiotic resistance, prevalence rate, Food samples, antimicrobialresistance
Received: 07 Apr 2025; Accepted: 18 Aug 2025.
Copyright: © 2025 Rahimi, Ahmadi, Pakbin, Brück and Ghajarbeygi. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Babak Pakbin, Texas A and M University, College Station, United States
Wolfram Manuel Brück, HES-SO Valais-Wallis, Sion, 1950, Valais, Switzerland
Peyman Ghajarbeygi, Qazvin University of Medical Sciences, Qazvin, 59811-34197, Qazvin, Iran
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