<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">Poultry farms contain high levels of allergenic fungi, and <italic>Aspergillus</italic> spp. is the most common genus of moulds. <italic>Aspergillus fumigatus</italic> antigens are responsible for the development of several respiratory diseases including asthma. The aim of this study was to measure the mass fraction of Asp f 1, a major allergen of <italic>Asperillus fumigatus</italic> in 37 indoor dust samples collected from four poultry farms in a rural area of the Zagreb County (Croatia) using the enzyme-linked immunosorbent assay. More than 62 % of dust samples had detectable Asp f 1 levels (limit of detection 3.6 ng g-1). The overall mean Asp f 1 level was 17.9 ng g-1 [range (3.8 to 72.4) ng g-1]. Satisfactory results were obtained for analytical within-run imprecision (6.7 %), between-run imprecision (10.5 %), and accuracy (91 % to 115 %). Microclimate parameters (air temperature, relative humidity, and velocity) were within the recommended ranges in all poultry farms. This study has shown that Asp f 1 settles on dust at poultry farms and that occupational exposure to this allergen deserves monitoring in livestock buildings.</abstract>

Poultry farms contain high levels of allergenic fungi, and Aspergillus spp. is the most common genus of moulds. Aspergillus fumigatus antigens are responsible for the development of several respiratory diseases including asthma. The aim of this study was to measure the mass fraction of Asp f 1, a major allergen of Asperillus fumigatus in 37 indoor dust samples collected from four poultry farms in a rural area of the Zagreb County (Croatia) using the enzyme-linked immunosorbent assay. More than 62 % of dust samples had detectable Asp f 1 levels (limit of detection 3.6 ng g-1). The overall mean Asp f 1 level was 17.9 ng g-1 [range (3.8 to 72.4) ng g-1]. Satisfactory results were obtained for analytical within-run imprecision (6.7 %), between-run imprecision (10.5 %), and accuracy (91 % to 115 %). Microclimate parameters (air temperature, relative humidity, and velocity) were within the recommended ranges in all poultry farms. This study has shown that Asp f 1 settles on dust at poultry farms and that occupational exposure to this allergen deserves monitoring in livestock buildings.

Determination of <italic>Aspergillus Fumigatus</italic> Allergen 1 in Poultry Farms Using the Enzyme Immunoassay

Institute for Medical Research and Occupational Health, Zagreb, Croatia

Veterinary Faculty, University of Zagreb, Zagreb, Croatia

Archives of Industrial Hygiene and Toxicology

Determination of  Allergen 1 in Poultry Farms Using the Enzyme Immunoassay

Poultry farms contain high levels of allergenic fungi, and Aspergillus spp. is the most common genus of moulds. Aspergillus fumigatus antigens are responsible...

Determination of Aspergillus Fumigatus Allergen 1 in Poultry Farms Using the Enzyme Immunoassay

Publié en ligne: 25 juin 2010

Pages: 167 - 173

DOI: https://doi.org/10.2478/10004-1254-61-2010-2004

Mots clés
alergeni plijesni, Asp f 1, LISA, plijesni, radnici na peradarskoj farmi

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