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Lab Anim. 1979 Oct;13(4):333-8. doi: 10.1258/002367779780943189.

Aerometric study of viable fungus spores in an animal care facility.

Laboratory animals

H A Burge, W R Solomon, P Williams

PMID: 119110 DOI: 10.1258/002367779780943189

Abstract

Studies of airborn fungi were undertaken to evaluate exposure risks for laboratory animals and human handlers which might lead to allergic or invasive disease. Although sporadically high fungus levels were encountered, counts of viable fungus particles were in general low. Recoveries on malt extract agar significantly exceeded those on Sabouraud dextrose agar. The taxa most frequently and abundantly recovered were Penicillium species. Data analyses suggest that 'clean' bedding material may be the principal source of these spores, that cleaning temporarily increases spore levels, and that outdoor airborne fungi contributed little to the indoor air spora identified. Aspergillus fumigatus was infrequently encounted in our samples, and dermatophytes were not recovered.

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