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Animals (Basel). 2021 Jan 21;11(2). doi: 10.3390/ani11020270.

The Risk Factors for Musculoskeletal Injuries in Thoroughbred Racehorses in Queensland, Australia: How These Vary for Two-Year-Old and Older Horses and with Type of Injury.

Animals : an open access journal from MDPI

Kylie L Crawford, Anna Finnane, Clive J C Phillips, Ristan M Greer, Solomon M Woldeyohannes, Nigel R Perkins, Lisa J Kidd, Benjamin J Ahern

Affiliations

  1. School of Veterinary Science, The University of Queensland, Gatton, QLD 4343, Australia.
  2. School of Public Health, The University of Queensland, Herston, QLD 4006, Australia.
  3. Curtin University Sustainability Policy (CUSP) Institute, Curtin University, Perth, WA 6845, Australia.
  4. Torus Research, Bridgeman Downs, QLD 4035, Australia.
  5. School of Medicine, The University of Queensland, Herston, QLD 4006, Australia.

PMID: 33494508 PMCID: PMC7910838 DOI: 10.3390/ani11020270

Abstract

Musculoskeletal injuries (MSI) continue to affect Thoroughbred racehorses internationally. There is a strong interest in developing training and management strategies to reduce their impact, however, studies of risk factors report inconsistent findings. Furthermore, many injuries and fatalities occur during training rather than during racing, yet most studies report racing data only. By combining racing and training data a larger exposure to risk factors and a larger number of musculoskeletal injuries are captured and the true effect of risk factors may be more accurately represented. Furthermore, modifications to reduce the impact of MSI are more readily implemented at the training level. Our study aimed to: (1) determine the risk factors for musculoskeletal injuries and whether these are different for two-year-old and older horses and (2) determine whether risk factors vary with type of injury. This was performed by repeating analyses by age category and injury type. Data from 202 cases and 202 matched controls were collected through weekly interviews with trainers and analysed using conditional logistic regression. Increasing dam parity significantly reduced the odds of injury in horses of all age groups because of the effect in two-year-old horses (odds ratio (OR) 0.08; 95% confidence interval (CI) 0.02, 0.36;

Keywords: epidemiology; musculoskeletal injury; racehorse; thoroughbred; wastage

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