Prevalence of Salmonella isolated from pork and antimicrobial resistance in Mueang District, Loei Province
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Abstract
Salmonella contamination in pork causes gastrointestinal disease, and there is evidence that Salmonella is resistant to antimicrobials, leading to health issues. The aim of this research was to study the antimicrobial resistance of Salmonella isolated from pork in Muang Loei District, Loei Province. A total of 30 pork samples were collected and then were subjected to bacterial isolation and cultivation in the laboratory using standard methods. Susceptibility testing for Ceftriaxone, Chloramphenicol, Gentamicin, and Sulphamethoxazole-Trimethoprim was conducted using the disk diffusion method. The results revealed that was present in 18 out of the 30 pork samples (60 %). Among the 28 Salmonella isolates, two showed resistance to Ceftriaxone, while one isolate was resistant to Sulphamethoxazole-Trimethoprim. Factors contributing to Salmonella distribution in pig carcasses include contamination in transport cages, transportation of pork to the slaughterhouse, and cross-contamination during the slaughter or storage process. The overuse and misuse of antimicrobials result in antimicrobial resistance. Preventing and controlling the factors that cause Salmonella contamination and residues in pork will benefit consumer health and ensure safety.
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References
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