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Implementation of new methods to characterise atmospheres in piggeries

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Two procedures to characterise atmospheres in piggeries are presented. The first allows delocalised sensorial analysis by trapping volatiles from pig shed emissions in a lipid phase, followed by laboratory analysis of their odour characteristics. The second procedure provides instrumental odour signatures of atmospheres. The volatile compounds are concentrated by solid-phase microextraction (SPME), and analysed directly by mass spectrometry without a chromatographic step (SPME-MS). The information supplied by the two analysis methods proved rich and consistent for the 42 piggeries analysed. In addition, the odour signatures allowed a good estimation of the key dimensions of the odour of the lipid phases. This result indicates that SPME-MS is a promising instrumental method to estimate the degree of odour nuisance in livestock buildings.
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Keywords: Odour nuisance; SPME-MS; Sensorial analysis; Spectral signature

Document Type: Research Article

Affiliations: 1: INRA de Theix SRV/Flaveur F 63122 Saint-Genès-Champanelle France 2: INRA UMRVP 35590 Saint-Gilles France

Publication date: August 1, 2004

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