Odour and ammonia emissions from intensive pig units in Ireland

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Title: Odour and ammonia emissions from intensive pig units in Ireland
Authors: Hayes, E. T.
Curran, Thomas P.
Dodd, V. A.
Permanent link: http://hdl.handle.net/10197/4330
Date: May-2006
Abstract: Odour and ammonia emissions were measured at four intensive pig units in Ireland. Odour samples were collected on-site and analysed for odour concentration using an olfactometer. Ammonia concentrations in the exhaust ventilation air were measured using a portable sensor. The geomean odour emission rates over the four pig units were 17.2, 44.4, 4.3, 9.9 and 16.8 ouE s−1 animal−1 for dry sows, farrowing sows, first stage weaners, second stage weaners and finishers, respectively. The mean ammonia emission rates, measured at two of the units, were 12.1, 17.1, 1.4, 2.9 and 10.0 g d−1 animal−1 for dry sows, farrowing sows, first stage weaners, second stage weaners and finishers, respectively. In general, the odour and ammonia emission rates were comparable to those reported in literature, although some odour emission rate figures were noticeably lower for finishing pigs in this study. The variability in the data highlights the need for individual site assessment.
Funding Details: Not applicable
Type of material: Journal Article
Publisher: Elsevier
Copyright (published version): 2005 Elsevier Ltd.
Keywords: Pig;Odour;Ammonia;Olfactometry;House design
DOI: 10.1016/j.biortech.2005.04.023
Language: en
Status of Item: Peer reviewed
Appears in Collections:Biosystems and Food Engineering Research Collection

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