[Quantification of the influence of ionization on the dust concentration for free ranged layers]

air pollution air temperature alojamiento para aves ammonia ammoniac carbon dioxide dioxyde de carbone dust dust protection endotoxinas endotoxine endotoxins filters filtre filtros ionisation ionization logement des volailles lutte antipollution microorganisme microorganismos microorganisms pollution control polvo (contaminantes) poultry housing suecia sweden temperatura del aire