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Effects of Ozonation of the Swine Nursery Building on Indoor Air Quality and Growth Performance of Weanling Piglets

오존 처리가 자돈사내 공기의 질과 자돈의 성장 효율에 미치는 영향

  • Kim, K.W. (Department of Animal Science and Technology, Graduate School, RAIRC, Jinju National University) ;
  • Woo, J.H. (Department of Animal Science and Technology, Graduate School, RAIRC, Jinju National University) ;
  • Lee , C.Y. (Department of Animal Science and Technology, Graduate School, RAIRC, Jinju National University) ;
  • Kim, D.H. (Department of Animal Science and Technology, Graduate School, RAIRC, Jinju National University)
  • 김광위 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 우종화 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 이철영 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 김두환 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터)
  • Published : 2003.12.31

Abstract

The present study was performed to investigate the effect of ozonation of the swine nursery building on indoor air quality and growth efficiency of the weanling piglets. Forty 21-day-old, cross-bred weanling piglets were housed in two ozonated or unozonated pens(10 males and 10 females per pen) for 3 wk alternately in a swine nursery building and this procedure was repeated three times. Ozone was generated using a commercial apparatus outside the nursery building and infused into the nursery building through a duct at a level of 0.03 ppm. Indoor concentrations of harmful gases were measured at 2-h intervals for a 24-h period per each 3-wk feeding trial. Indoor ammonia and carbon dioxide gas concentrations were reduced by the ozonation(P〈0.01) by 21% and 7%, respectively, compared with those of the control(unozonation), although hydrogen sulfide concentration was not affected by the treatment. However, the weight gain, feed intake and feed/gain of the piglets did not change due to the ozonation. Results suggest that ozonation of the swine nursery building is effective for improving the indoor air quality without affecting the production efficiency of weanling piglets.

Keywords

Ozonation;Swine nursery building;Air quality;Weanling piglets;Growth performance

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