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Measurement of Dust Concentration in a Naturally Ventilated Broiler House according to Season and Worker's Access
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 Title & Authors
Measurement of Dust Concentration in a Naturally Ventilated Broiler House according to Season and Worker's Access
Jo, Ye-seul; Kwon, Kyeong-seok; Lee, In-bok; Ha, Tae-hwan; Park, Se-jun; Kim, Rack-woo; Yeo, Uk-hyeon; Lee, Sang-yeon; Lee, Seung-no;
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Improvement in domestic poultry production has a positive effect on the export competitiveness of the poultry industry. However, overproduction and enlargement of facilities to assure a supply increase a stocking density which make a poor environment in the broiler house. In particular, an intensive rearing environment is vulnerable to dust control that causes respiratory diseases, such as asthma, bronchitis, etc., to farmers and broilers. However, monitoring data and research for environment control are not adequate, and there are no air quality regulations in broiler houses in Korea. In this study, TSP, PM10, inhalable dust and respirable dust concentration were monitored according to season, age of broiler and broiler's activities. Air quality assessment was also performed in accordance with the threshold limit value by Donham et al. (2000). The TSP concentrations were 77.5 %, 219.7 % higher and PM10 concentrations were 121.2 %, 303.8 % higher when change of season and winter respectively than summer. There were significantly different concentrations according to season and age of broiler. Inhalable and respirable dust concentration were also clearly different according to the season and age of broiler. A high dust concentration was observed, specifically exceeding the threshold limit by 119 % in the winter. In the case of the broiler's motion was activity according to worker's access into the broiler house, concentration level was 769.6 % higher than broiler's motion was stable and exceeded the threshold limit. These results suggest that the worker should put on protective equipment to protect there's respiratory health in the broiler house.
Broiler house;Inhalable dust;Natural ventilation;PM10;Respirable dust;TSP;
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