Peresunko A. The evaluation of the productivity and adaptability of egg-laying poultry crosses of foreign selection

The object of researches is Conformities to the law of growth, egg productivity and adaptation power of cross-country races of bird. The purpose of researches is conducting of comparative estimation of the four best world cross-country races of egg bird in the conditions of one poultry farming enterprise after productive qualities, conformities to the law of growth and adaptation power. The methods of researches are zootech, biometric, economic. Results of researches: 1. For a theory - First in the conditions of one poultry farming complex comparative estimation of the four best world cross-country races of egg chickens is conducted after productive signs, high-quality indexes of eggs and adaptation capacity for the terms of intensive technology of production of goods. 2. For practice - the Use of bird of final hybrids of cross-country races Tetra SL and Loman brown in the conditions of Joint-Stock COMPANY "Chornobaivsce" provides the rise of nesouchosti of bird comparatively with middle indexes for all appraised cross-country races on 3,0.20,3 things of eggs. Sphere of the use - poultry farming economies of Ukraine.