Racing speeds of Quarter Horses, Thoroughbreds and Arabians

Nielsen, B.D.; Turner, K. K.; Ventura, Beth; Woodward, Adrienne; O'connor, C. I.

doi:10.1111/j.2042-3306.2006.tb05528.x

Cited by 30 publications

(21 citation statements)

References 4 publications

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“…horse behaviour). This was not seen in QH races, and this may be because QHs race over shorter distances [11] and at greater speeds [12] than TBs, and that falls under these circumstances, regardless of cause, have a greater likelihood of resulting in injury to the jockey. With an additional year's data, this result is in agreement with the group's previous study [1].…”

Section: Discussionmentioning

confidence: 84%

The role of catastrophic injury or sudden death of the horse in race‐day jockey falls and injuries inCalifornia, 2007–2012

Hitchens

Hill

Stover

2015

Equine Veterinary Journal

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SummaryReasons for performing study: If equine conditions with high likelihood of jockey injury can be determined and subsequently prevented, jockey safety can be enhanced. Objectives: To identify racehorse injuries or conditions with greatest risk for jockey falls and injuries. Study design: Retrospective correlation of race-day jockey fall and injury data with racehorse fatality data. Methods: Thoroughbred (TB) and Quarter Horse (QH) racehorse cause of death and jockey fall and injury data for California flat races were reviewed for a 6-year period. Race and jockey race ride population data were used to determine jockey fall and injury incidence rates relative to cause of racehorse death, and were assessed using Poisson regression. Differences in proportions were assessed using Fisher's exact, Pearson's χ 2 , and Cochran-Mantel-Haenszel tests. Results: 707 racehorses experienced race-related catastrophic injury or sudden death. 199 jockeys had 601 falls with 325 injuries. Jockeys were 162 times more likely to fall (95% confidence interval 137-192; P<0.001) and 171 times more likely to be injured (95% confidence interval 140-208; P<0.001) when they rode a horse that died in a race. We infer that jockeys were more likely to fall or be injured when riding in QH races than in TB races because of a higher incidence of horse fatalities in QH races. Jockey falls occurred with 24% of TB and 36% of QH race-related horse fatalities, and jockey injury occurred in 64% of falls. Jockey falls were most common with TB fetlock injuries and QH carpal, metacarpal and fetlock injuries; and with axial, bilateral and multiple injuries compared with appendicular, unilateral and singular injuries, respectively. Conclusions: Prevention of the most common catastrophic injuries and conditions of the racehorse, e.g. fetlock injuries, may be most effective at decreasing rates of falls and injuries to horseracing jockeys during racing.

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Section: Discussionmentioning

confidence: 84%

The role of catastrophic injury or sudden death of the horse in race‐day jockey falls and injuries inCalifornia, 2007–2012

Hitchens

Hill

Stover

2015

Equine Veterinary Journal

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“…In the study reported here, some breeds were associated with an increased risk of elimination, compared with that of purebred Arabians (Table 1). Previous studies 18,19 have found physiologic differences between Arabians and other breeds during race training. However, clinical data from endurance competition have not been previously evaluated to identify breeds at risk.…”

Section: Discussionmentioning

confidence: 95%

Risk factors for the elimination of endurance horses from competition

Fielding¹,

Meier²,

Balch³

et al. 2011

javma

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“…There was increased severity of disease recognised in Quarter Horses with regards to both the number of bones affected and the grade of articular cartilage damage. This may in part be due to the higher speeds achieved by Quarter Horses during racing compared with Thoroughbreds resulting in increased concussive loads. It is a personal observation of C.W.M.…”

Section: Discussionmentioning

confidence: 99%

A 10‐year study of arthroscopic surgery in racing Thoroughbreds and Quarter Horses with osteochondral fragmentation of the carpus

Graham

Rosanowski

McIlwraith

2019

Equine Veterinary Journal

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Summary Background Osteochondral fragmentation of the carpus is a common cause of lameness in racehorses. Prognosis following arthroscopic removal of the fragments was reported in 1987, but little is known of recent success rates. Objective To identify associations between the severity and location of osteochondral fragments in the carpus, and to describe the racing performance of horses pre‐ and post‐surgery in Thoroughbreds and Quarter Horses. To identify factors associated with a horse racing post‐surgery. Study design Retrospective study of clinical records (2006–2016). Methods Surgical and racing records for racehorses undergoing arthroscopic surgery of the carpus were collated during the 10‐year study period. Signalment, location of osteochondral fragmentation and grade of defect left after removal and debridement identified and racing performance pre‐ and post‐surgery were described, stratified by breed. Logistic regression analysis was used to identify factors associated with unsuccessful return to racing. Results In total, 828 horses (n = 416 Quarter Horses; n = 412 Thoroughbreds) underwent 880 carpal arthroscopies after fragments were found on radiography. Sixty‐five percent (n = 289) and 27% (n = 118) of the lesions were bilateral in Quarter Horses and Thoroughbreds respectively (P<0.001). In both breeds, the most commonly affected bone was the dorsodistal radial carpal bone (n = 320/659; 48.6%). Overall, 82% (n = 686; n = 358 Quarter Horses, n = 328 Thoroughbreds) of horses raced post‐surgery, with 69.5% (n = 476; n = 228 Quarter Horses, n = 248 Thoroughbreds) racing at the same or a higher level of competition. Factors associated with horses not returning to racing post‐surgery were increasing horse age, female horses, and a lesion grade of 4, while racing pre‐surgery was protective. Main limitations This study does not include a control population for comparison. Conclusions There were significant differences between the location and severity of lesions in Quarter Horses, when compared to Thoroughbreds. The majority of horses return to racing following surgery, although performance was influenced by lesion severity. The Summary is available in Portuguese ‐ see Supporting information

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Racing speeds of Quarter Horses, Thoroughbreds and Arabians

Cited by 30 publications

References 4 publications

The role of catastrophic injury or sudden death of the horse in race‐day jockey falls and injuries inCalifornia, 2007–2012

The role of catastrophic injury or sudden death of the horse in race‐day jockey falls and injuries inCalifornia, 2007–2012

Risk factors for the elimination of endurance horses from competition

A 10‐year study of arthroscopic surgery in racing Thoroughbreds and Quarter Horses with osteochondral fragmentation of the carpus

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