Adaptive changes in the exterior of thoroughbred horses in the conditions of the Republic of Tatarstan

The study of the features of the exterior of thoroughbred horses related to their adaptation in the conditions of the Republic of Tatarstan showed that with a general rather pronounced riding type, there is a tendency of their relative small-stature, large-headedness and massiveness. The revealed negative morphological adaptive changes can make certain adjustments to the nature of the horse's movement and the manifestation of its performance. Shortening of the limb levers, as a rule, is accompanied by a shortening of the step and a decrease in the speed of movement, and an increase in the massiveness of the head by coordination disorders at increased speeds. In this regard, when breeding thoroughbred horses in the conditions of the Republic of Tatarstan, it should be considered insufficient to take only four basic measurements to control the proportionality of the physique and typicality.