The aim of the study was to evaluate the exterior of the Hucul horses on the basis of the following indices: head’s length, head’s zygomatic width and facial width of the head. The research was conducted on 341 Hucul horses of different sex and age which were qualified in 6 age groups. Each individual underwent measurement of the height at withers, the head’s length, the head’s zygomatic width and the facial width of the head. The obtained results in separate age groups were subject to statistical analysis of the indices of the head. Proportions of measurements of the head and their indices in the youngest horses were different than in the oldest horses. Only for the index of the head’s length, received values among horses classified to the group II were comparable with adult individuals. Sexual dimorphism of adult individuals was observed in the size of the index of the facial width of the head.

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