Journal of Animal Science and Technology

  • 제45권6호
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  • Pages.1061-1066
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  • 2003
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  • 2672-0191(pISSN)
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  • 2055-0391(eISSN)
한국축산학회 (Korean Society of Animal Sciences and Technology)
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오존 처리가 자돈사내 공기의 질과 자돈의 성장 효율에 미치는 영향

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

  • 김광위 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 우종화 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 이철영 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터) ;
  • 김두환 (진주산업대학교 대학원 동물자원학과, 동물생명산업 지역협력연구센터)
  • 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)
  • 발행 : 2003.12.31
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초록

본 연구는 자돈사의 오존 처리가 돈사내 공기의 질과 자돈의 성장 효율에 미치는 영향을 구명하고자 수행되었다. 오존 0.03ppm 처리하거나 처리하지 않은 각 처리별 40두의 21일령 이유자돈을 암수 같은 수로 하여 2개의 돈방에 배치하고 3주 동안 사양하였으며, 3회 반복하여 실시하였다. 오존은 상업용 장치를 이용하여 자돈사 밖에서 발생시켜 관을 통하여 자돈사 건물 안으로 0.03ppm 수준으로 유입시켰다. 돈사내 유해가스 농도는 3주 사양시험 중 24시간 동안 2 시간 간격으로 측정하였다. 오존 처리에 의해 황화수소 농도는 변하지 않았으나, 오존 처리했을 때 암모니아와 이산화탄소 농도는 처리하지 않았을 때의 농도에 비해 각각 21%와 7% 감소하였다(P〈0.01). 반면 자돈의 일당증체량, 사료섭취량 및 사료요구율은 오존 처리에 의해 변하지 않았다. 이상의 결과는 자돈사내 오존 처리가 자돈의 생산 효율에는 영향을 미치지 않으나 돈사내 공기의 질을 개선시킬 수 있음을 시사한다.

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.

키워드

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