Korean Journal of Veterinary Research (대한수의학회지)

The Korean Society of Veterinary Science (대한수의학회)
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Prevalence and pathologic study of porcine salmonellosis in Jeju

제주도 내 돼지 살모넬라증의 발생 양상 분석 및 병리학적 연구

  • 양형석 (제주특별자치도 동물위생시험소) ;
  • 강상철 (옵티팜) ;
  • 김애란 (농림축산검역본부) ;
  • 정병열 (농림축산검역본부) ;
  • 김재훈 (제주대학교 수의과대학 및 수의과학연구소)
  • Received : 2017.10.10
  • Accepted : 2017.12.20
  • Published : 2017.12.31
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Abstract

Salmonella (S.) Typhimurium is highly contagious, and its infection may rapidly spread within pig populations of herd. According to the survey (1,191 pigs) from 2003 to 2012, 155 pigs (13.0%) were diagnosed as salmonellosis in Jeju. Major porcine salmonellosis cases (88.4%) were concentrated in 4- to 12-week-old weaned pigs, but 6 pigs (3.9%) under 4 weeks old were also diagnosed. Based on the histopathologic examinations, ulcerative enteritis (63.9%) in the large intestine and/or paratyphoid nodules formation (57.4%) in the liver were most prevalent lesions in porcine salmonellosis. Single infection of S. Typhimurium and mixed infection with more than 2 pathogens were detected in 38 (24.5%) and 117 (75.5%) in pigs, respectively. Co-infections of Porcine reproductive and respiratory syndrome virus and Porcine circovirus type 2 were very common in porcine salmonellosis in Jeju and detected in 84 (54.2%) and 59 (38.1%) pigs, respectively. Based on the serotyping tests using 41 bacterial isolates, S. Typhimurium and S. Rissen were confirmed in 39 (95.1%) and 2 (4.9%) cases, respectively.

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References

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