AAEP Annual Convention Las Vegas 2009
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Prevalence of Radiographic Changes in Yearling and Two-Year-Old Quarter Horses

Author(s):
Contino E.K.,
Park R. and
McIlwraith C.W.
In: AAEP Annual Convention - Las Vegas, 2009 by American Association of Equine Practitioners
Updated:
DEC 09, 2009
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1. Introduction
Several studies have reported on radiographic changes in Thoroughbreds and Standardbreds, but there are no such published studies in Quarter Horses. Thus, the objective of this study was to report on radiographic changes in Quarter Horses.

2. Materials and Methods
Radiographs of yearling and 2-yr-old Quarter Horses were obtained from a radiograph repository and a private farm. The carpus, fetlocks, tarsus, and stifles were evaluated, and radiographic abnormalities were categorized by type and location. The frequency of lesions was calculated, and comparisons were made between the two age groups.

3. Results
Of the 458 included horses, 408 (89.1%) had abnormal radiographic findings. The stifle (454; 99.1%) and tarsus (438; 95.6%) were radiographed most frequently. Horses had the most abnormalities recorded in the tarsus (304; 69.4%) followed by the stifle (202; 44.5%), hind fetlocks (155 of 355; 43.7%), fore fetlocks (131 of 361; 36.3%), and carpus (27 of 342; 7.9%). Of the horses with stifle abnormalities, 188 (93.1%) were in the medial femoral condyle. There was a significant difference between the age groups for distal tibia intermediate ridge changes, hindlimb P2 osteophytes, and proximal tibia osteophytes. [...]

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How to reference this publication (Harvard system)?

Contino, E., Park, R. and McIlwraith, C. (2009) “Prevalence of Radiographic Changes in Yearling and Two-Year-Old Quarter Horses”, AAEP Annual Convention - Las Vegas, 2009. Available at: https://www.ivis.org/library/aaep/aaep-annual-convention-las-vegas-2009/prevalence-of-radiographic-changes-yearling-and-two-year-old-quarter-horses (Accessed: 14 September 2024).

Author(s)

  • E.K. Contino

    Contino E.K.

    Assistant Professor
    DVM, Dipl. ACVSMR
    Clinical Sciences Department, College of Veterinary Medicine and Biomedical Sciences, Colorado State university
    Read more about this author
  • R. Park

    Park R.

    Professor Emeritus
    DVM, PhD, Diplomate ACVR
    Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State university
    Read more about this author
  • C. Wayne McIlwraith

    McIlwraith C.W.

    Professor
    BVSc PhD FRCVS DSc DMV (hc) Dipl ACVS
    Equine Orthopedic Research Laboratory, College of Veterinary Medicine and Biomedical Sciences, Colorado State University
    Read more about this author

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