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Identification and seasonal distribution of airborne fungi in three horse stables in Italy

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Abstract

Fungal agents are responsible for a variety of respiratory diseases both in humans and animals. The nature and seasonal variations of fungi have been investigated in many environments with wide ranging results. The aims of the present report were (i) to evaluate the quality and magnitude of exposure to airborne fungi in three differently structured equine stalls (open air, partially and completely enclosed buildings) during a one-year period, using an air sampling technique and (ii) to compare the distribution and frequency of fungal species, with regards to these different environments. Air samples were collected monthly from December 2001 to November 2002 by means of a surface air sampler (SAS) Super-90, (PBI International, Milan, Italy). Penicillium and Aspergillus spp. were cultured from all the stables in all seasons. Mucoraceae were also recovered in all seasons in stalls 1 and 2, while they were not isolated in spring and fall in stall 3. These fungi were detected in 28.4%, 72.9% and 60.5% of the total number of samples, respectively. Other fungal genera such as Alternaria, Cladosporium, Fusarium, Beauveria and Drechslera were also occasionally recovered.Viable fungal concentrations varied greatly, ranging from below the limit of detection to more than 3000 CFU/m3 for stables 1 and 2, and 1750 CFU/m3 for stable 3. The median fungal concentration was approximately 178 CFU/m3. Total fungal concentration appeared to be highest in summer, winter and spring, and lowest in the fall.

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Authors and Affiliations

  1. Dipartimento di Patologia Animale, Profilassi ed Igiene degli Alimenti, Viale delle Piagge 2, 56124, Pisa, Italy

    Simona Nardoni & Francesca Mancianti

  2. Dipartimento di Clinica Veterinaria, Università di Pisa, Italy

    Micaela Sgorbini & Michele Corazza

  3. Dipartimento di Produzioni Animali, Università di Pisa, Italy

    Fabrizio Taccini

Authors
  1. Simona Nardoni
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  2. Francesca Mancianti
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  3. Micaela Sgorbini
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  4. Fabrizio Taccini
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  5. Michele Corazza
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Correspondence to Simona Nardoni.

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Nardoni, S., Mancianti, F., Sgorbini, M. et al. Identification and seasonal distribution of airborne fungi in three horse stables in Italy. Mycopathologia 160, 29–34 (2005). https://doi.org/10.1007/s11046-005-2669-3

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  • DOI: https://doi.org/10.1007/s11046-005-2669-3

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