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Selected factors affecting the performance of racehorses
Jirásková, Petra ; Vostrý, Luboš (advisor) ; Karel, Karel (referee)
The aim of this thesis is the selection of most significant factors influencing the performance of racehorses and a subsequent analysis of selected factors in terms of influence on the performance of racehorses in the Czech Republic. Furthermore, the scientific hypothesis was that the obtained databases would allow for an exact analysis of the influence concerning selected factors (gender, age, season of birth and others) on the performance of racehorses in the Czech Republic
The horses´ performance depends on a larger number of factors, which can be divided into two groups. The first group is the internal factors (genetic preconditions, build, constitution, temperament and character) and the second group is external factors, i.e. factors influenced by the environment and independent of a horse. The conditions of the environment along with the horses´genotype influence horses´performace the most.
There is a wide range of external factors, e.g. season in which the horse was born, weight at birth, rearing of a foal, preventative health care, nutrition, moving regime, training, conditions of a particular race, the impact of age and gender.
The aim of this thesis was to evaluate the influence of selected factors on the performance. The general handicap has been used as the basic indicator of performance in individual horses, which is the performance evaluation of a horse in races in a particular year. The final database has been created in Excel, in which some calculations and graphs have been carried out as well. The very statistical processing has been done in the R program.
The influence of the birth season, gender and age on the horses´ performance has been gradually evaluated. It has been found that in two-year horses the birth period significantly influences the age when starting races for the first time (i.e. the later the horses were born, the earlier they were able to start racing). Moreover, a connection between the amount of prize money and the gender in two-year horses has been found, with mares reaching higher prize money. A lower number of days from the birth to the first start in a race has been found in mares. An interesting connection has been found between the age of the first start and the general handicap rate (participating in the first race at the age of two had a positive influence on the handicap rate at the age of three.)
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