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Measurement and Analysis of Dust Concentration in a Fattening Pig House Considering Respiratory Welfare of Pig Farmers
ÇÐȸÁö: Çѱ¹³ó°øÇÐȸ³í¹®Áý 55(5) 25 - 35 ÂÊ
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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 PM10 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 (R2£½0.88) and linear relation with the installation height of feed supply pipe (R2£½0.73) were determined. However in case of the concentration of PM10, 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£¼0.05, R2£½0.71, 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.
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https://www.researchgate.net/profile/I-B_Lee/publication/264019710_Measurement_and_Analysis_of_Dust_Concentration_in_a_Fattening_Pig_House_Considering_Respiratory_
Welfare_of_Pig_Farmers/links/58411aed08ae2d217560ec29/Measurement-and-Analysis-of-Dust-Concentration-in-a-Fattening-Pig-House-Considering-Respiratory-Welfare-of-Pig-Farmers.pdf
http://agris.fao.org/agris-search/search.do?recordID=KR2015003617
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