Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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SHR Neuro Krebs Kardio Lipid Stoffw Microb
Wultsch, G; Haas, D; Galler, H; Feierl, G; Melkes, A; Reinthaler, FF.
Bioaerosol emissions in a poultry litter burning plant
AEROBIOLOGIA. 2010; 26(1): 63-73.
Doi: 10.1007/s10453-009-9143-5
Web of Science
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- Führende Autor*innen der Med Uni Graz
- Haas Doris
- Wultsch Georg
- Co-Autor*innen der Med Uni Graz
- Feierl Gebhard
- Galler Herbert
- Melkes Angelika
- Reinthaler Franz
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- Abstract:
- This study investigates the exposure of workers to biological particles in a poultry litter burning plant in operation. The microorganism concentrations were examined at different workplaces during procedures leading to increased emissions. The concentrations of culturable airborne mesophilic, xerophilic and thermophilic microorganisms in the ambient air were tested inside and outside of the burning plant using two different methods of measuring. The focus of this study was on the quantitative evaluation of culturable bacteria as well as the quantitative and qualitative evaluation of gram-negative bacteria, fungi and thermophilic actinomycetes. The maximum airborne concentrations were found in the delivery hall. Mesophilic bacteria concentrations reached up to 1.7 x 10(6) CFU/m(3); gram-negative bacteria up to 9.1 x 10(2) CFU/m(3). Fungal propagule concentrations for xerophilic fungi were between 1.2 x 10(3) and 2.9 x 10(4) CFU/m(3) and for mesophilic fungi between 4.4 x 10(2) and 2.9 x 10(4) CFU/m(3). Among fungi, Aspergillus niger, Eurotium herbariorum and Scopulariopsis brevicaulis species were dominant. Thermophilic actinomycetes reached airborne concentrations of 8.7 x 10(4) CFU/m(3), with increased concentrations of the pathogens causing extrinsic allergic alveolitis. The high concentrations of airborne microorganisms in poultry litter burning plants and the potential hazard of the intake of microorganisms including potential pathogens require the introduction of consistent measures in both technical areas and personnel management.
- Find related publications in this database (Keywords)
- Poultry litter
- Bioaerosol
- CFU
- Fungi
- Bacteria