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Correlation of Air Pollutants and Thermal Environment Factors in a Confined Pig House in Winter 원문보기

Asian-Australasian journal of animal sciences, v.18 no.4, 2005년, pp.574 - 579  

Choi, Hong L. (School of Agricultural Biotechnology, Seoul National University) ,  Kim, Ki Y. (School of Agricultural Biotechnology, Seoul National University) ,  Kim, Hyunook (Dept. of Environmental Engr. University of Seoul)

Abstract ▼ AI-Helper 아이콘AI-Helper

Optimal management of indoor air quality in a confined pig house, especially in winter, is indispensable for preventing infectious respiratory disease to workers and animals. This study was performed to elucidate the correlation of aerial contaminants and climate factors in a confinement. It was obs...

주제어

#Total Dust   #Total Airborne Bacteria   #Odor   #Ammonia   #Hydrogen Sulfide  

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제안 방법

  • Air sampling time for air pollutants is given in Table 2. Measurements of temperature, relative humidity and odor concentration were made at the same sampling sites three times a day; morning (8:00-9:00 am), afternoon (2:00-3:00 pm), and evening (8:00-9:00 pm). The measurement time bands were carefully determined to avoid disturbances (i.
  • This is mainly because, first, the confined pig house was not cleaned up for the entire experiment period, so the net concentration of indoor air pollutants accumulated with time although ventilation was provided; the ventilation rate was minimal. Second, the ventilation system was operated at the same rate during the sampling periods (i.e., 8:00-9:00 am, 2:00-3:00 pm and 8:00-9:00 pm) in order to eliminate the effect of ventilation rate on the behavior of air pollutant levels in the confined pig house. As a result, the measured concentrations of the air pollutants in this study were higher, especially in the afternoon, than conventional confined pig houses ventilation rates of which are carefully controlled to maintain the optimal indoor temperature.
  • The experiments were performed in a confined pig house, located at the Colligate Livestock Research Station, Seoul National University. The experiments were carried out for 60 days in January and February 2002, and the samples of air pollutants were taken every four days.

대상 데이터

  • Air samples were collected using an air sampler (No. 800519, Gilian) to quantify ammonia, hydrogen sulfide, total dust, and total airborne bacteria. The sampling was performed at three different location of the confinement (i.
  • The confined growing-finishing pig house in this study was 20 m long, 12 m wide and 3 m high. It and has two rows, each of which contains ten pens in both sides from central alley with the concrete solid floor.
  • The experiments were performed in a confined pig house, located at the Colligate Livestock Research Station, Seoul National University. The experiments were carried out for 60 days in January and February 2002, and the samples of air pollutants were taken every four days.
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