Korean Journal of Veterinary Service (한국동물위생학회지)

The Korean Society of Veterinary Service (한국동물위생학회)
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Detection of etiologic agents in diarrhea fecal samples from calves in Gyeongnam province, Korea

경남지역에서 송아지 설사병 병원체 검출 조사

  • Jeong, Myeong-Ho (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Lee, Min-Kwon (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Kim, Hyeong-Su (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Lee, Seong-Uk (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Seong, Min-Ho (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Park, Dong-Yeop (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Hwang, Bo-Won (Northern Branch of Gyeongnam Livestock Veterinary Promotion Research Institute) ;
  • Park, Hyoung-Joon (Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University) ;
  • Cho, Jae-Hyeon (Institute of Life Science, College of Veterinary Medicine, Gyeongsang National University)
  • 정명호 (경상남도축산진흥연구소 북부지소) ;
  • 이민권 (경상남도축산진흥연구소 북부지소) ;
  • 김형수 (경상남도축산진흥연구소 북부지소) ;
  • 이성욱 (경상남도축산진흥연구소 북부지소) ;
  • 성민호 (경상남도축산진흥연구소 북부지소) ;
  • 박동엽 (경상남도축산진흥연구소 북부지소) ;
  • 황보원 (경상남도축산진흥연구소 북부지소) ;
  • 박형준 (경상대학교 수의과대학 생명과학연구원) ;
  • 조재현 (경상대학교 수의과대학 생명과학연구원)
  • Received : 2012.10.09
  • Accepted : 2012.12.11
  • Published : 2012.12.30
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Abstract

The objective of this study was to determine the infection patterns of etiological agents causing calf diarrhea in the Gyeongnam province, Korea. In this study, from January 2011 to December 2011, feces and necropsy specimens from 249 calves diagnosed with diarrhea (<7 months old) were examined by reverse transcriptase-polymerase chain reaction assay and bacteria & coccidium isolation for detection pathogenic organism. The results of this study showed that 78 cases (31.3%) in spring, 71 cases (28.5) in summer, 62 cases (24.9%) in fall and 38 cases (15.3%) in winter were diagnosed with calf diarrhea, respectively. Calf diarrhea-causing pathogens were diagnosed as bacteria 113 (45.4%), viruses 97 (39.0%), coccidium 1 (0.4%), unknown cases 13 (5.2%), and mixed infections 25 (10.0%). We isolated three virus types from fecal samples (97), which were classified as BVD 64 (66.0%), BRV 21 (21.6%), and BCV 12 (12.4%). Moreover, co-infected pathogens were 25 cases, consisting with BVD & BRV 11 (44%), BVD & BCV& BRV 7 (28.0%), E. coli & BCV 3 (12%), and BVD & IBR 1 (4.0%). In summary, we demonstrated that the enteropathogens of bacteria, viruses, and parasite were detected in samples from cattle with diarrhea, principally in young calves less than 7 months of age. Future studies of infectious diarrhea in cattle should include assays for this etiologic agent.

Keywords

References

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