AAEP Annual Convention Las Vegas 2009
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Tracheal Mucus and Breathing Zone Exposure to Particulate Matter in Racehorses: A Case-Control Study

Author(s):
Millerick-May M.L.,
Karmaus W.,
Derksen F.J.,
Berthold B. and
Robinson N.E.
In: AAEP Annual Convention - Las Vegas, 2009 by American Association of Equine Practitioners
Updated:
DEC 09, 2009
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1. Introduction
Previous measurements by our laboratory of background airborne particulates in stalls of racing stables did not account for dust generated as a result of individual horse activities such as eating, stall walking, or rolling. To account for these activities, we measured breathing-zone particulate exposure in horses without tracheal mucus (MS = 0) and with tracheal mucus (MS = 2) sufficient to impact performance.

2. Materials and Methods
Over 7 mo, 653 racehorses (six stables) were endoscopically examined and assigned a mucus score. Cases (MS ≥ 2) and controls (MS = 0) were age matched monthly and fitted with personal (PM10) monitors that measured breathing-zone exposure on an average of 17.5 h/day. Bivariate procedures and conditional logistic regression determined the difference in breathing-zone exposure between cases and controls. [...]

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How to reference this publication (Harvard system)?

Millerick-May, M. L. et al. (2009) “Tracheal Mucus and Breathing Zone Exposure to Particulate Matter in Racehorses: A Case-Control Study”, AAEP Annual Convention - Las Vegas, 2009. Available at: https://www.ivis.org/library/aaep/aaep-annual-convention-las-vegas-2009/tracheal-mucus-and-breathing-zone-exposure-to-particulate-matter-racehorses-a-case-control-study (Accessed: 14 September 2024).

Author(s)

  • Millerick-May M.L.

    MSc PhD
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University
    Read more about this author

  • Karmaus W.

    MD Dr. Med MPH
    Arnold School of Public Health, University of South Carolina
    Read more about this author

  • Derksen F.J.

    Professor and Chair
    DVM PhD Dipl ACVIM
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University
    Read more about this author

  • Berthold B.

    DVM
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University
    Read more about this author

  • Robinson N.E.

    Matilda R. Wilson Professor
    BVetMed MRCVS PhD
    Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University
    Read more about this author

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