The aim of the Thesis was to verify an impact of releasing the farm-breed hares to the population number of wild hare and its population dynamics parameters. We observed the hares´ reproduction within four breeds. Despite certain deviations within the result, we can certify that the farm-breed system of European hare is well-managed and thanks to this system we are able to breed a needed number of hares aimed for local release into forest. In average, one female hare weans 7.68 of young hares. The total death-rate before wean is 18.9%. We selected 40 farm-breed individuals for releasing into the forest, which went through the adaptation process. The process consisted of feeding them by green feed in the cages and consequently releasing these individuals into the artificial aviaries. After a month, they were released into the forest. While observing the population dynamics parameters we found out that the hares´ population in forest hunting district Mojmírovce reached significantly positive values within two years (66 and 56% of hares were laid in game bags). Worse growth 30.19% in 2016 was probably caused by influence of complex negative factors, which were observed also in other hunting associations. In 2017 there was observed a dominance of female hares within the population (SI = 0.64). Hare´s population within the hunting district was detected as increasing, what is considered as a very positive. This is also thanks to our proposed system consisting of support of original wild population by farm-breed individuals. Evenly, the bag is increasing; in 2015 – 39 hares, in 2016 – 53 hares, in 2017 – 66 hares. Analysis of birthdates of this-year hares is a suitable method to discover negative impacts on young hares´ surviving in particular periods.