Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Measurement and Analysis of Dust Concentration in a Fattening Pig House Considering Respiratory Welfare of Pig Farmers

비육돈사 작업 종사자의 호흡기 관련 공기 중 분진 농도 측정 및 분석

  • 권경석 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 이인복 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 황현섭 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 하태환 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 하정수 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 박세준 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원) ;
  • 조예슬 (서울대학교 농업생명과학대학 지역시스템공학과 & 농업생명과학 연구원)
  • Received : 2013.07.20
  • Accepted : 2013.08.21
  • Published : 2013.09.30
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Abstract

In swine house, dust generation comes from various sources and is known to be harmful both for the animals and the farmers because the dust contains biological and gaseous matters. When farmers are constantly exposed to the dusts, they can suffer chronic or acute respiratory symptoms and have high probability of manifesting various diseases. To address this problem, understanding of the mechanism of dust generation is very important. In this paper, the dust concentration of inhalable, respirable, TSP and $PM_{10}$ were monitored and analyzed according to the pig-activity level, ventilation quantity and feeding method in fattening pig house. From the measured results, in case of the concentration of TSP, an inverse-linear relation with ventilation rate ($R^2=0.88$) and linear relation with the installation height of feed supply pipe ($R^2=0.73$) were determined. However in case of the concentration of $PM_{10}$, no particular relationship with the variables was observed. Using the concentration of inhalable and respirable dust based on the pig-activity level, multi-variate regression analysis was conducted and results have shown that the movement of pigs can contribute to the dust generation (p＜0.05, $R^2=0.71$, 0.61). The relationship determined between dust generation and environmental variables investigated in this study is very significant and useful in conducting dust-reduction researches.

Keywords

References

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