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Investigation of bovine tuberculosis outbreaks by using a trace-back system and molecular typing in Korean Hanwoo beef cattle

Authors
 Bok Kyung Ku  ;  Bo-Young Jeon  ;  Jae Myung Kim  ;  Young-Boo Jang  ;  Hyeyoung Lee  ;  Jae Young Choi  ;  Suk Chan Jung  ;  Hyang-Mi Nam  ;  Hun Park  ;  Sang-Nae Cho 
Citation
 JOURNAL OF VETERINARY SCIENCE, Vol.19(1) : 45-50, 2018 
Journal Title
 JOURNAL OF VETERINARY SCIENCE 
ISSN
 1229-845X 
Issue Date
2018
Keywords
Korean Hanwoo beef cattle ; bovine tuberculosis ; index beef cattle ; molecular typing ; track-back system
Abstract
Bovine tuberculosis is a chronic contagious disease responsible for major agricultural economic losses. Abattoir monitoring and trace-back systems are an appropriate method to control bovine tuberculosis, particularly in beef cattle. In the present study, a trace-back system was applied to bovine tuberculosis cases in Korean native Hanwoo beef cattle. Bovine tuberculosis was detected in three index beef cattle during abattoir monitoring in Jeonbuk Province, Korea, and the original herds were traced back from each index cow. All cattle in each original herd were subjected to tuberculin skin test. The positive rates in the tuberculin skin test were 64.6% (62 of 96), 4.8% (2 of 42), and 8.1% (3 of 37) at farms A, B, and C, respectively. On post-mortem examination of 56 tuberculin-positive cattle, 62% had granulomatous lesions, and Mycobacterium bovis was cultured from 40 (71.4%) of the cattle. Molecular typing by spoligotyping and the mycobacterial interspersed repetitive unit-variable-number tandem repeat assay revealed the genotype of the M. bovis strains from the index cattle were same as the M. bovis genotype in each original herd. The results suggest that tracing back from index cattle to the original herd is an effective method to control bovine tuberculosis in beef cattle.
Files in This Item:
T201800235.pdf Download
DOI
10.4142/jvs.2018.19.1.45
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Microbiology (미생물학교실) > 1. Journal Papers
Yonsei Authors
Cho, Sang Nae(조상래)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/161918
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