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Analysis of Changing Pattern of Noxious Gas Levels with Malodorous Substance Concentrations in Individual Stage of Pig Pens for 24 hrs to Improve Piggery Environment
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 Title & Authors
Analysis of Changing Pattern of Noxious Gas Levels with Malodorous Substance Concentrations in Individual Stage of Pig Pens for 24 hrs to Improve Piggery Environment
You, Won-Gyun; Kim, Cho-Long; Lee, Myung-Gyu; Kim, Dong-Kyun;
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 Abstract
Noxious gases with malodorous substance concentrations in each stages of pig buildings were determined at a typical 400sow-scale farm to improve piggery environment. Using IAQ-300 and pDR-1000AN, continuous records for the concentration of , CO, , , , , , and along with temperature, humidity, dust concentrates from individual pig pens were collected to analyze every 6 hours' condition of indoor environment for 24 hours' period. In most pig houses, the air quality at noon was good, while at night (00:00~06:00), air composition became noxious in all buildings. The order of buildings' air quality for 24 hrs was pregnant > farrowing > nursery > growing > finishing. The cause of air quality differences was presumed to be the differences of stocking density, defecating amount and the length of exposure time of slurry in indoors. In conclusion, well-designed building structure, proper control of stocking density, quick removal of excreta from pig pens and continuous ventilation are prerequisites to improve pig housing environment.
 Keywords
Animal waste;Malodor;Pig house;Air quality;Noxious gases;
 Language
Korean
 Cited by
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