Ammonia Concentration Evaluation in Deep-Bedded and Concrete Floor Housing Systems for Grow-Finish Swine in Brazil

Date
2005-05-01
Authors
Xin, Hongwei
Cordeiro, M.
Tinôco, I.
Vigoderis, R.
Gates, Richard
Oliveira, P.
Gates, Richard
Xin, Hongwei
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Agricultural and Biosystems Engineering
Abstract

Swine production represents an important economic and social activity in Brazil, however, its traditional exploration is considered by the ambient institutions as an activity of great pollutant potential. The objective of this study was to compare ammonia level in the traditional slatted concrete floor system, a bedded system with wood shavings on top of the concrete floor, or a bedded system with rice hulls on top of the concrete floor. The study was conducted at the EMBRAPA Swine Research Station in Concordia, Santa Catarina, Brazil during August to November 2002. Significant differences among the treatments were observed; the concrete flooring system had the lowest ammonia levels, whereas both bedded systems shared fairly similar levels. However, these measured values in all the treatments were below the threshold level of 20 ppm.

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This proceeding is from Proceedings of the Seventh International Symposium, 18-20 May 2005 (Beijing, China). Publication Date 18 May 2005, ASAE Publication Number 701P0205. Ed. T. Brown-Brandl.

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