Air quality and factors related to sub-optimal housing conditions in nursery and finishing rooms: a field study in 143 French pig herds

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Fablet, Christelle | Bidan, Fabrice | Dorenlor, Virginie | Eono, Florent | Eveno, Éric | Rose, Nicolas

Edité par CCSD ; CRC press -

International audience. In most pig-producing countries, animals are housed in large groups in a closed environment. In this situation, the climate inside the piggery is generally determined by building design and engineering. Each herd was visited once to collect information on climatic conditions in a nursery and a finishing room and on likely factors potentially influencing air quality in the piggeries. A standardized questionnaire was filled in with the farmer to provide the input data related to general herd description, hygiene measures and management and feeding practices, together with housing conditions in the nursery and finishing rooms selected for climatic condition measurements. Climatic conditions were assessed in two rooms: a fattening room housing slaughter-aged pigs, and the nursery room from which they came. A multinomial logistic model was used for the air quality risk factors analysis in nursery rooms because the dependent variable was multinomial and because assumptions for a proportional odds model did not hold.

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