Oertzenweg 19 b
14163 Berlin
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pferdeklinik@vetmed.fu-berlin.de
Fifteen three-day events from level L to S during eventing season of 1994 were tested to evaluate surface conditions in the cross country and on the racetrack in relationship to early retirements of horse and rider. The surface was tested by evaluating the density and consistency of the soil. The methods used were chemical analysis of the ground and penetrometer measurements. Most surfaces of the cross country course and racetrack were classified as sandy soil and clay soil. The firmness was classified into four grades from very soft and deep to very firm. In comparison to this, the retirement rates of horse and rider during single competition phases were analysed. Further investigations considering the horses competition level were analysed. Results showed an increase of retirements with increasing competition level. The assessment of the soil consistency not considering competition level showed a decreasing rate of retirements on sandy soil compared to clay soil. Firmness as the main parameter caused less retirements on soft and deep surface than on hard and especially firm surface