BREEDING VALUE ASSESSMENT OF VARIOUS INBREED TYPES OF VLADIMIR DRAFT HORSES

Abstract

Vladimir draft horse belongs to the group of breeds with limited gene pool and threatening status, since the total number of mares in the breed is no more than 200 heads. Vladimir breed horses are distinguished by endurance, ambitiousness, beauty and harmonious forms, good mobility and meet all modern requirements of a draft horse. The limited number of livestock and t distribution area leads to the use of inbreeding, which affects the quality of horses. Nowadays, two original inbreeding types have formed in the breed, characterized by typological features: Yuryev-Polsky and Gavrilovo-Posadsky. The aim of our work was to evaluate the breeding qualities of Vladimir draft horses of various internal breeds, to determine the best lines andfamilies for further breeding and increase the number of breeds. As a result of the research, a change in the number of horse stocks over the past 40 years was analyzed; differences in the development of the main parameters and body type of these inbred types during evolution were established. A qualitative analysis of the breeding value of pedigree types is carried out. For this purpose, the typicality of horses, the exterior and the constitution according to the point system were evaluated. The main body indices (format, mass and bones) were calculated, and a differential assessment of tallness and bones was carried out. Evaluation of Vladimir breed mares by categories of breeding value showed that the largest number of horses of the 1st class was in Yuryev-Polsky inbreed type.