DETERMINATION OF RACE PERFORMANCE’S FACTORS OF ARABIAN PUREBRED TUNISIAN HORSES AND THE IMPACT OF INTRODUCTION OF OCCIDENTAL PUREBRED HORSES INTUNISIA
Ikram Bensouf, Naceur M’Hamdi, Hatem Ouled Ahmed ,Faten Lasfar, Belgacem Ben Aoun, Abdessalem Trimeche
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The aim of the study is to investigate the effects of age, sex, running distance and origin of horse on racing speed for Purebred Arabian horse in Tunisia. Although the occidental type is known to be more successful in racing than the Tunisian type, we undertook this study to try to confirm or deny this supremacy for a sample of racehorses born in Tunisia from occidental father. A total of 333 racing records were considered for race performance. The effects of environmental factors on (sex, age, father’s origin, race distance, number of race seasons) race performance were analyzed using the least-squares method(LSM).The racehorses studied were all Arabian Purebred horses in operation at the racecourse of Ksar Said from 2010 to 2020. They are 180 horses, 90 horses born of a Tunisian father, and 90 horses born in Tunisia ofthe occidentalfather. These horses are the best and most successful in their category. The study revealed that the gender and age effectswere statistically insignificant onracingperformance. Race performance was significantly influenced by the distance and the origin of the father which affirms the improving role of the occidentalhorse in the Tunisian population.