Implementation of new methods to characterise atmospheres in piggeries
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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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