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KMID : 1234420100380030244
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Korean Journal of Microbiololgy and Biotechnology
2010 Volume.38 No. 3 p.244 ~ p.254
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Current Status and Perspectives of Livestock Environment Improving Agents for the Characteristics and Control of Swine Manure Odor
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Lee Eun-Young
Lim Jung-Soo
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Abstract
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The trend toward intensification of livestock raising, confinement in barn has increased in recent days. The move toward concentrated animal feeding operations reduces per unit costs and permits farmers to better earnings in spite of fluctuation in hog prices. However, this also results in outbreaks of a lot of animal wastes and odorous compounds. Emissions of these malodorous compounds produced from concentrated animal feeding operations have become a concern for both public and regulatory agencies and are causing the complaints of residents in rural area. For competitive sustainable swine production industry, odor management plans systematically identify potential odor sources, determine control strategies to reduce these odors, and establish criteria for implementing these strategies. Since, the malodor originates from microbial activities involving a variety of microbes, understanding the characteristics of the microflora present in swine manure is essential for developing effective odor control techniques. This paper reviews the available information in the literature related to the types of bacteria in swine manure, the potential odorous compounds associated with different bacterial genera, and the corresponding techniques used to control odor based on microbiological principles.
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KEYWORD
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odor, swine manure, Odor control, Livestock environment improving agents
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