Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Phylogenetic Analysis of Bovine Viral Diarrhea Virus from Nasal Swab Sample of Persistently Infected Cattle in Republic of Korea

한국에서 지속감염우의 콧물로부터 소 바이러스성 설사병 바이러스의 계통발생분석

  • Song, Moo-Chan (Department of Animal Science, College of Ecology and Environmental Sciences, Kyungpook National University) ;
  • Choi, Kyoung-Seong (Department of Animal Science, College of Ecology and Environmental Sciences, Kyungpook National University)
  • 송무찬 (경북대학교 생태환경대학 축산학과) ;
  • 최경성 (경북대학교 생태환경대학 축산학과)
  • Published : 2009.12.31
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Abstract

Bovine viral diarrhea virus (BVDV) is an economically important worldwide disease in livestock industry. In this study, the occurrence of BVDV in Korean indigenous cattle was performed by RT-PCR using nasal swab. Twelve of 21 cattle were identified as BVDV positive and classified as persistently infected (PI). These animals showed the occurrence of diseases such as diarrhea and pneumonia. BVDV PI outbreaks were found mostly in PI calves. Sequencing and phylogenetic analysis based on the 5'-untranslated region (UTR) showed that our case belonged to BVDV-2a. These results suggested that the nasal swab sampling was available method for the detection of PI animals, underscoring the need for BVDV control strategies in Korean indigenous cattle.

소 바이러스성 설사병 바이러스는 전세계 축산업에서 경제적 파급력이 큰 질병이다. 콧물을 이용한 역전사 중합효소연쇄반응을 이용하여 한우송아지에서 소 바이러스성 설사병 바이러스의 발생이 진단 되었다. 가검물을 채취한 21 마리 소 가운데 12마리가 소 바이러스성 설사병 바이러스에 양성반응을 보여 지속감염우로 분류되었다. 이 동물들은 설사와 폐렴 같은 증상을 나타내었다. 지속감염우는 일발적으로 지속감염 송아지에서 발견된다. 5'-UTR을 이용한 염기서열 및 계통발생 분석에서 본 증례는 BDVD-2a에 속했다. 이들 결과는 콧물을 이용하여 지속감염우를 진단할 수 있다는 것과, 한우 송아지에서 BVDV 근절 대책이 필요하다는 것을 말해 주고 있다.

Keywords

References

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