Investigating the prevalence and antimicrobial resistance of Salmonella Typhimurium and Staphylococcus aureus isolates in chicken meat

Document Type : Original Article

Authors

1 Faculty of Veterinary Medicine - Islamic Azad University of Shahrekord

2 - Research Center of Nutrition and Organic Products (R.C.N.O.P), Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.

Abstract

39




 



Chicken meat is rich in essential nutrients and rare elements, which can be the carrier of many pathogenic microorganisms; In this regard, the aim of this study was to investigate the prevalence of antimicrobial Salmonella typhimurium and Staphylococcus aureus in chicken meat sold in Natanz county. 350 samples of chicken meat in 2024 were collected from the supply centers and transferred to the food hygiene laboratory under sterile conditions. The contamination of the samples was determined by linear culture and multiplex PCR methods, and the antibiotic resistance of the isolates was evaluated by the disk-diffusion method. The results showed that 156 samples (44.58%) were infected with Staphylococcus aureus and Salmonella out of a total of 350 samples. The evaluations showed Staphylococcus aureus infection in chicken breast, cut chicken meat and slaughtered chicken in 17 samples (34%), 32 samples (32%) and 62 samples (31%), respectively, and for Salmonella 7 samples ( 14 %), 15 samples (15 %) and 23 samples (11.5 %). The frequency of enterotoxin-producing genes of Staphylococcus aureus for SEA 27 samples (24.32%), SEB 10 samples (9.1%) and SEC 7 samples (6.30%) and the frequency of Salmonella typhimurium genes in 8 samples (17.78 %), fljB and rfbJ were a total of 1 sample (2.22 %). The results of the present study showed that chicken meat can be an important source of transmission of Staphylococcus aureus and Salmonella, and it is expected that their monitoring and inspection will be done with utmost care.
 
 

Keywords

Main Subjects

Journal of Veterinary Laboratory Research
Volume 16, Issue 2 - Serial Number 26
February 2025
Pages 161-174

Files

Share

How to cite

Statistics