This study was conducted to determine the presence of Salmonella spp. in raw broilers and shell eggs in Korea. In total, 135 dozen shell eggs and 27 raw broilers were tested. None of the egg yolks were found to contain Salmonella organisms but Escherichia coli, Escherichia
hermanii, and Citrobacter freundii were isolated from egg shells. Salmonella spp. were detected in 25.9% of raw broilers, and Salmonella serotypes isolated from raw broilers were Salmonella Enteritidis, Salmonella Virchow, and Salmonella Virginia.
D-values and antibiotic resistance of Salmonella isolates were also investigated. D-values of Salmonella Enteritidis, Salmonella Virginia, and Salmonella Virchow in tryptic soy broth at 55°C were 2.36, 2.13, and 0.70 min and 0.53, 0.37, and 0.20
min at 60°C, respectively. All Salmonella isolates showed multiple antibiotic resistance patterns and were resistant to penicillin and vancomycin. One strain of Salmonella Enteritidis showed resistance to 12 antibiotics used in this study.
Document Type: Research Article
Department of Food and Nutrition, Myongji University, Yongin Kyonggi-do, Korea 449-728
Publication date: May 1, 2000
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