Prevalence and antimicrobial susceptibility of Salmonella isolated from Korean slaughter pigs

  • Lee, Woo-Won (Busan Metropolitan Health and Environmental Research Institute) ;
  • Jung, Byeong-Yeal (National Veterinary Research and Quarantine Service) ;
  • Kim, Hong-Tae (Busan Metropolitan Health and Environmental Research Institute) ;
  • Chung, Kyung-Tae (Busan Metropolitan Health and Environmental Research Institute) ;
  • Lee, Gang-Rok (Busan Metropolitan Health and Environmental Research Institute) ;
  • Kim, Keum-Hyang (Busan Metropolitan Health and Environmental Research Institute) ;
  • Lee, Dong-Soo (Busan Metropolitan Health and Environmental Research Institute) ;
  • Kim, Yong-Hwan (College of Veterinary Medicine, Gyeongsang National University)
  • Published : 2003.12.01

Abstract

During the period of December 2000 to November 2001, a total of 419(10.9%) Salmonella was isolated from 3,850 slaughtered pig samples(2,732 lymph nodes and 1,118 caecal contents) in Korea. Three hundred and seventy(13.5%) and 49(4.4%) Salmonella were isolated from lymph nodes and caecal contents, respectively. In the isolation ratio of Salmonella spp originated from each class of season, summer(15.7%), autumn(11.5%), spring(10.0%) and winter(8.3%), in order. As the result of serotyping, B group(67.5%) were the most common, in order of C$_1$(14.6%), D$_1$(6.0%), C$_2$(4.1%) and E$_1$(3.3%). 32 serovars were found, the major serotypes were as follows; S typhimurium(21.7%), S schwarzengrund(16.0%), S derby(15.8%), S typhimurium variant copenhagen(9.8%), S enteritidis (6.0%) and S mbandaka(6.0%). All of the isolates were susceptible to norfloxacin and ofloxacin. The isolates were resistant in order of doxycycline(69.2%), tetracycline(68.7%), penicliin(54.9%) and streptomycin(52.5%).

Keywords

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