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KMID : 1094020180350050190
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Journal of Veterinary Clinics
2018 Volume.35 No. 5 p.190 ~ p.194
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The Correlation of Racing Performance with Pre-Race Blood Values in Thoroughbred Horses
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Lee Young-Woo
Shim Seung-Tae
Song Hee-Eun
Hwang Hye-Shin
Seo Jong-Pil
Lee Kyoung-Kap
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Abstract
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Recently, the horse racing industry in Korea has developed rapidly with good betting turnover. One of themost important factors in enhancing the performance of racehorses is the study of equine exercise physiology. Thisstudy was performed to analyze the results of pre-race blood test on race day and evaluate its correlation with therace performance in Thoroughbred racehorses. Twenty-one, healthy 3- to 6-year-old Thoroughbred horses were usedto collect blood samples and hematological and biochemical measurements were performed. Results were analyzedto identify its correlation with racing performance. Analysis of hematological profile of pre-race blood of the racehorsesrevealed that red blood cell indices including RBC, Hb, and PCV levels were elevated. Additionally, levels of AP,AST, and GGT were also elevated in pre-race blood of horses on race day. RBC, Hb, and PCV levels of highperformance racehorses were significantly lower than those of low class racehorses. Moreover, the analysis of correlationbetween blood test results and racing ability-related categories have shown negative correlations for rating, placingstrike rate, prize money per race, RBC, Hb, and PCV and positive correlations for G3F and PCV. Additionally, ASTvalue was positively correlated to prize money per race. Thus, the results of this study show that red blood cell indicesand AST are good parameters for evaluating racing performance of horses before the race.
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KEYWORD
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Performance of Racehorses, Pre-Race Blood Value, RBC, Hb, AST
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