Deresh O. The use of domestic gene pool of breeds for the increase of meat and woolen productivity of sheep in the conditions of western forest-steppe of Ukraine

The object of researches is rams-producers and breed ewes sapling. Purpose of researches - to learn to efficiency of the use of rams-producers of askanian meet-woolen breed of sheep with kross-bred wool on the uteruses of northcaucasian meet-woolen breed in the conditions of western forest-steppe of Ukraine. Methods of researches - fenotipical, haematological, populition-statistical. Results of researches: 1. For a theory - complex estimation of productive qualities and biological features of pure breed sheep and cross-breeds with askanian kross-bred is Conducted, the first given comparative description of basic economic-useful signs of sheep of given population, and also intercommunication between basic selection signs is trained. 2. For practice - Results of researches are used in a selection process for the improvement of productive qualities of northcaucasian meet-woolen breed both in pedigree loud-speakers, and in the farmer and subsidiary peasant economies, and also in technological processes inrelation to forming of competitiveness of industry of the sheep breeding in the conditions of western forest-steppe of Ukraine. The sphere of the use is agricultural enterprises.