Evaluation of forelimb horseshoe characteristics of ...
|Title||Evaluation of forelimb horseshoe characteristics of Thoroughbreds racing on dirt surfaces|
|Author(s)||D. K. Gross, S. M. Stover, A. E. Hill, I. A. Gardner|
|Journal||American Journal of Veterinary Research|
|Abstract||Objective - To describe forelimb horseshoe characteristics of horses racing on dirt surfaces and determine whether these characteristics vary with region of California, season, horse characteristics, and race-related factors. Animals - 5,730 Thoroughbred racehorses. Procedure - From June 17, 2000, to June 16, 2001, the characteristics of 1 forelimb horseshoe of horses that raced on dirt surfaces at 5 major racetracks in California were recorded. These characteristics included shoe type; toe grab height; and presence of a rim, pad, and heel traction devices (jar caulks, heel stickers, heel blocks, and special nails). Horse and race information was obtained from commercial records. One race/horse was randomly selected. Results - 99% of forelimb horseshoes were aluminum racing plates, 35% had a pad, 23% had a rim, and 8% had a heel traction device. A toe grab was observed on 75% of forelimb horseshoes (14% very low [≤2 mm], 30% low [>2 and ≤4 mm], 30% regular [>4 and ≤6 mm], and 1% high [>6 and ≤8 mm]). Forelimb horseshoe characteristics varied with region of California, season, age and sex of the horse, race purse and distance, and track surface condition. Log-linear modeling revealed that all of these factors were significantly interrelated. Conclusions and Clinical Relevance - Complex interrelationships among forelimb horseshoe characteristics and region, season, age and sex of the horse, and race-related factors need to be considered when evaluating the relationships between injury and horseshoe characteristics in Thoroughbred racehorses.|
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