한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제56권1호
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  • Pages.41-49
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  • 2014
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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양돈장의 소모성질병 확산 분석을 위한 현장 모니터링 및 공기유동학적 분석

Aerodynamic Approaches for Estimation of Waste Disease Spread in Pig Farm through Airborne Contaminants

  • 서일환 (서울대학교 농업생명과학대학 지역시스템공학과) ;
  • 이인복 (서울대학교 농업생명과학대학 지역시스템공학과) ;
  • 문운경 (농림축산검역본부, 역학조사과) ;
  • 권경석 (서울대학교 농업생명과학대학 지역시스템공학과)
  • 투고 : 2013.11.27
  • 심사 : 2013.12.16
  • 발행 : 2014.01.31
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초록

Pig chronic wasting disease, including porcine reproductive and respiratory syndrome (PRRS) and postweaning multisystemic wasting syndrome (PMWS), have made a continuous economic damage in pig farms. Airborne spread of livestock viruses are an important spread factor which is difficult to analyze due to invisible airflow and limitation of measurement. The objective of this study is to analyze airborne disease spread between buildings in the experimental pig farm by means of field experiment and computational fluid dynamics (CFD). The field experiments were conducted to capture airborne virus using air sampler and teflon filter along multi points in the experimental pig farm. The samples were tested in terms of virus detection resulting in positive reaction for PRRS and PCV-2 viruses, which can be a firm evidence of airborne virus spread. The CFD simulation model was developed by considering complex topography, wind conditions, building arrangement, and ventilation systems and was used to analyze airborne virus spread according to different wind conditions. The CFD computed result showed a possibility of airborne virus spread via livestock aerosol from infected pig house to neighboring pig houses according to wind directions. The CFD simulation technique is expected to provide significant data for estimating and making a counterplan against airborne disease spread.

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참고문헌

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