Pinchuk V. Eco-genetics monitoring of pedigree resources of breeding horses of Ukraine

А tendency is educed, that an existent radiation background in the investigational regions of Ukraine negatively influenced on industry of breeding horses during 2002-2008, to what the decline of level of recreation and resistances testifies for horse. It resulted in reduction of amount of economies, quantity and variety of breeds of horse of different directions of the use. It is set that distribution and display of hydrophobia, leptospirosis and parascarosis for the horse of Ukraine the last years; it is related to violation of hierarchy of animals in ecosystems, by the changes of natural and climatic terms by contamination of agro biotical environment. It is educed that general adjusted of populations of the investigated breeds of horse to the local terms of environment; exterior-constitutional features (measuring of body, duration of embryogenesis and level of recreation) remove them, with forming of original regional groups. For example, on duration of fruiting and output of foals substantially ecological factors - season of impregnation of mares influence birth of foals. The use of immunogenic markers is reasonable as indicators of genetic variability of horses of Ukraine on the example of estimation of genetic structure 10 breeds of horse, that it is expedient to take into account as basis for ecological plasticity of breeds and maintenance of valuable pedigree resources of local populations.