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Detection of Horse Allergen around a Stable
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. (Eva Vingård)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences. (Eva Vingård)
2008 (English)In: International Archives of Allergy and Immunology, ISSN 1018-2438, E-ISSN 1423-0097, Vol. 145, no 4, 269-276 p.Article in journal (Refereed) Published
Abstract [en]

Background: Integrating horse stables with built-up areas may lead to conflicts. Dispersion of horse allergen may become a health risk for allergic people. The aim was to measure the dispersion of horse allergen around a stable, considering wind speed and direction and vegetation. The disturbance of staff at a workplace nearby a stable was investigated. Methods: Air sampling was performed around a stable (32 horses) at distances of 50-500 m in all directions. Sampling was done with a pump and an IOM sampler. Samples were collected at 50 points during all seasons. Horse allergen levels were determined using ELISA. Disturbance by horses was studied with a questionnaire handed to the employees in an office near the stable. Results: The median horse allergen level at the stable entrance was 316 U/m3, in the horse fields 40 U/m3 and in the whole source area 16 U/m3, which declined to <2 U/m3 at about 50 m from the source area. Downwind of the prevailing winds low levels of horse allergen (2-4 U/m3) could sometimes be detected at up to 500 m. The staff, including those allergic to horses, managed to tolerate horses close to the workplace. Conclusions: At low winds horse allergen spread in ambient air about 50 m from the stable and horse fields. At higher winds low allergen levels were sometimes found in open areas up to 500 m from the source area. These levels were similar to those found in the office after moving away from the stable area. The employees did not report more symptoms of allergy or asthma while working close to the stable compared to after the move.

Place, publisher, year, edition, pages
2008. Vol. 145, no 4, 269-276 p.
Keyword [en]
Air sampling, Allergen dispersion, Horse allergen
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-15501DOI: 10.1159/000110885ISI: 000253400300001PubMedID: 18025788OAI: oai:DiVA.org:uu-15501DiVA: diva2:43272
Available from: 2008-02-15 Created: 2008-02-15 Last updated: 2017-12-08Bibliographically approved

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