Korean Journal of Veterinary Service (한국동물위생학회지)

The Korean Society of Veterinary Service (한국동물위생학회)
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Analysis of antimicrobial resistance and PFGE patterns of Salmonella spp. isolated from chickens at slaughterhouse in Incheon area

인천지역 닭 도축장에서 분리된 Salmonella spp.의 항생제 내성 및 PFGE 패턴분석

  • Yang, Ha-Young (Incheon Metropolitan City Institute of Health & Environment) ;
  • Lee, Sung-Mo (Incheon Metropolitan City Institute of Health & Environment) ;
  • Park, Eun-Jeong (Incheon Metropolitan City Institute of Health & Environment) ;
  • Kim, Jung-Hee (Incheon Metropolitan City Institute of Health & Environment) ;
  • Lee, Jung-Goo (Incheon Metropolitan City Institute of Health & Environment)
  • 양하영 (인천광역시보건환경연구원) ;
  • 이성모 (인천광역시보건환경연구원) ;
  • 박은정 (인천광역시보건환경연구원) ;
  • 김정희 (인천광역시보건환경연구원) ;
  • 이정구 (인천광역시보건환경연구원)
  • Published : 2009.12.30
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Abstract

Salmonella spp. are the important pathogens both economically and clinically in animals as well as human. Some of them have highly zoonotic potentials even though they are asymptomatic in animals. Therefore, the prevalence of Salmonella spp. in animals is highly concerned for human health. The present study was carried out to investigate the prevalence, antimicrobial resistance and PFGE patterns of Salmonella spp. isolated from chickens at slaughterhouse in Incheon area. The overall isolation rate of Salmonella spp. from cloaca and cecum specimens was 7.3 % (37/510). Thirty seven isolates of Salmonella spp. were identified to 5 serotypes; S. Enteritidis, S. Newport, S. Typhimurium, S. Gallinarum, and S. Derby with prevalence of 46.0%, 40.5%, 8.1%, 2.7%, and 2.7%, respectively. Resistance to nalidixic acid was found in 97.3% of Salmonella spp. isolated, followed by streptomycin (16.2%), tetracycline (16.2%), ampicillin (5.4%). Only 6 isolates (16.2%) showed resistance to more than two antimicrobials. In PFGE analysis of chicken and human isolates with Xba I, S. Enteritidis isolates from chicken showed very high similarity over 82.8% and also the similarity was very high in the comparison with human isolates. However, the higher similarity (100%) was observed among chicken isolates of S. Typhimurium. These results suggest the close genetic relatedness of Salmonella spp. isolated from chickens with human.

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References

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