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Abstract. The aim of the study was to define differences between front and hind hooves in dimensions and proportions of the measurements in horses of various breeds. 77 mares four to thirteen years old of four breeds belonging to different origin types were evaluated: Purebred Arabian horses, halfbred Anglo-Arabian horses, primitive Polish Konik horses and Polish Cold-Blooded horses. The dimensions were measured after trimming. Means in particular groups and differences between fore and hind hooves were estimated with the least square analysis of variance performed separately in each breed. In the four breeds studied, the fore and hind hoof dimensions from the lateral view of the hoof capsule have come out to be similar. The toe to heel length ratio approximates 2 : 1 in both hooves. Viewed from the solar surface, the hind hoof is wider at the heel buttress relative to the fore hoof. The greatest difference between the fore and rear hooves occurs in the capsule width, hence while recording this parameter, it should be defined which foot it concerns. The hoof width is the most highly correlated with other dimensions, as well as the correlations between the fore and hind hooves in this parameter are the highest. The hoof capsule width is the most characteristic parameter of the hoof.

The objective of the study has been to examine whether the freestyle dressage classes are judged reliably and to elaborate a method assessing the consistency of judging. The data contained 13 000 marks of the ten best-ranked horses at nine Grand Prix classes and four Intermediate I classes from ten international competitions. The marks concerned 119 horses in total and were given by 37 judges. A method for evaluating the consistency of judging has been proposed. The index of disagreement (ID) assesses the disagreement of ranking by an individual judge relative to the general ranking based on the sum of marks awarded by five judges. The results show that the mean ID of individual judges is highly differentiated. The ID is influenced by the judge's position in the arena. The consistency of judging was lower in Intermediate I Freestyle Tests than in Grand Prix Freestyle Tests and it varied in different competitions. The conclusion of the study is that the results of the freestyle dressage classes are often biased. The present system of judging should be permanently checked. The offered method of evaluating agreement between judges' rankings may help to improve the consistency of judging and the reliability of the horses' scores.

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