Korean J Vet Res > Volume 57(4); 2017 > Article
Korean Journal of Veterinary Research 2017;57(4):235-243.
DOI: https://doi.org/10.14405/kjvr.2017.57.4.235    Published online January 24, 2018.
Prevalence and pathologic study of porcine salmonellosis in Jeju
Hyoung-Seok Yang1, Sang-Chul Kang2, Ae-Ran Kim3, Byeong-Yeal Jung3, Jae-Hoon Kim4
1Jeju Self-Governing Provincial Veterinary Research Institute
2Optipharm Inc.
3Animal and Plant Quarantine Agency
4College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University
제주도 내 돼지 살모넬라증의 발생 양상 분석 및 병리학적 연구
양형석1, 강상철2, 김애란3, 정병열3, 김재훈4
1제주특별자치도 동물위생시험소
2옵티팜
3농림축산검역본부
4제주대학교 수의과대학 및 수의과학연구소
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.
Key Words: Salmonella infections, Salmonella Typhimurium, coinfection, paratyphoid nodule, ulcerative enteritis


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