Examining the racing performance and longevity in the Hungarian Thoroughbred population

The aim of the study was to examine the factors affecting longevity (as the number of years spent in race) in the Hungarian Thoroughbred horse population, and to investigate the total earnings won during lifetime and per start. The performance data was collected from 3,029 Thoroughbred horses (1,704 female, 1,674 male) born between 1996 and 2018 in Hungary with full known racing career. A multivariate generalized linear model was used to estimate the effect of sex of the horses, age at first start and the month of birth to longevity, expressed by the number of starts and years spent in race. Age of the horses at first start had a significant effect on the years spent in race, thereafter the model was dissected into age groups initiating a more accurate research. This showed that birth month also have a momentous effect on the examined traits in case of 2-year-old horses. Age of the horses at first start also affected the lifetime earnings. Sex of the horses had no effect on longevity in 2-year olds however, males are more likely to race because female horses tend to win less money.

Abstract licence: CC BY-ND

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