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KMID : 0893420230240060081
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Journal of Veterinary Science
2023 Volume.24 No. 6 p.81 ~ p.81
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A cross-sectional study of colic and rate of return to racing in Thoroughbreds at Seoul Racecourse in Korea between 2010 and 2020
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Ryu Seung-Ho
Sohn Yong-Woo
Eliot Forbes
Jeon Hyung-Seon
An Sung-Jun
Kim Byung-Sun
Kyung Soon-Goo
Lee In-Hyung
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Abstract
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Background : The incidence of colic and the outcomes of colic surgery have not been surveyed in racetracks in Korea.
Objectives : This study examined the incidence, mortality, and case fatality of colic and investigated the effects of age and sex after an exploratory celiotomy on the long-term survival rate (return to racing), subsequent racing performance, and career longevity.
Methods : The incidence, mortality, and case fatalities of colic were examined over an 11-year period. The records of 40 horses that had undergone a celiotomy, after participating in at least one race and 75 race-matched control horses were analyzed. The racing performance and career length of the horses that returned to racing post-surgery were compared with a control group.
Results : The annual incidence, fatality rate of colic, and annual mortality rate at Seoul Racecourse were 6.5, 2.8 per 100 horse-years, and 0.2 deaths cases per 100 horse-years, respectively. Of the 40 horses that underwent colic surgery, 26 (65%) returned to racing. The likelihood of returning to racing decreased with increasing age of the horses, and geldings had a lower probability of returning. While the performance in the five preoperative races between the two groups was not significantly different, a significant decrease in racing performance was observed after the surgery date (p < 0.01). Horses that underwent colic surgery did not show a significant decrease in career length.
Conclusions : Surgical treatment for colic at the age of three and four years had a negative impact on the racing performance. On the other hand, there was no significant difference in career longevity between the two groups.
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KEYWORD
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Colic, laparotomy, athletic performance, horses, celiotomy
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