Abstract
Background: Foodborne diseases are one of the fundamental problems in the world. Salmonella is one of the most important foodborne bacteria, which is responsible for the prevalence of foodborne diseases in humans. Objective: The aim of this study was to investigate the presence of Salmonella in distributed chicken meat in Mahabad city, Iran. Materials and Methods: In this study, 100 samples of chicken meat were selected from Mahabad city and investigated for the presence of Salmonella. Each sample was cultured in selenite cystine medium and incubated at 37°C for 24 hours. Then the obtained colonies were cultured in MacConkey agar and Salmonella-Shigella agar. Finally, biochemical and antibiogram tests were performed on isolated Salmonella samples. Results: Totally, 7 chicken samples (7%) were found to be contaminated with Salmonella. All of the isolated Salmonella samples were identified as Salmonella enteritidis. All of S. enteritidis isolates (100%) showed the highest resistance to erythromycin and ampicillin antibiotics. All of the tested isolates (100%) showed sensitivity to gentamicin. Conclusion: Our study showed high prevalence of Salmonella in distributed chicken meat in Mahabad city. Therefore, the improvement of health conditions in food preparation centers is highly recommended.
Highlights
Foodborne diseases are one of the fundamental problems in the world
The serotyping results showed that S. enteritidis was the sole serovar of Salmonella in distributed chicken raw meat in Mahabad city
The results of this study showed that 7% of chicken samples were contaminated with Salmonella and serotyping results showed that S. enteritidis was the sole serovar
Summary
Foodborne diseases are one of the fundamental problems in the world. Salmonella is one of the most important foodborne bacteria, which is responsible for the prevalence of foodborne diseases in humans. One of the most important causes of foodborne diseases is Salmonella,[4] which affects humans through the use of contaminated and raw meat.[5] Salmonella is usually found in animal source foods including chicken, beef and pork meat, egg and milk. It spreads through zoonotic transmission.[6] Many studies have reported outbreak of Salmonella and its resistance to antibiotics in chicken meat worldwide.[6,7,8,9] The prevalence of Salmonella in chicken meat has been reported to be about 6.79% to 97.6%.10. Increase in the outbreak of multidrug resistant Salmonella species is the major problem in the treatment and prevention of foodborne diseases in humans
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