Kolesnik O. Productive characteristics of bull of different types of Aberdin-angouse breed in Easter part of Ukraine conditions

The object of researches is Forming of meat productivity of bull-calves of Aberdin-angouse breed of different types at growing without the capital apartments. The purpose of researches is the comparative study of growth, development and meat productivity of bull-calves of Aberdin-angouse breed of different types in the conditions of the whole year round Free maintenance and exposure most suitable for production of high-quality beef in the conditions of east region of Ukraine. The methods of researches are zootech, biological, economic and biometric. Results of researches: 1. For a theory - First in the conditions of east region of Ukraine the comparative study of features of growth and development, meat productivity and efficiency of the use of forages is conducted by the bull-calves of Aberdin-angouse breed of types, that were studied in different periods of postembriogenez at the identical terms of maintenance and feeding. 2. For practice - On the basis of the conducted researches the exposed backlogs of increase of meat productivity of Aberdin-angouse breed due to more wide use of animals of large type of north-American selection. Expedience of the intensive growing of bull-calves of shallow type to 15 is proved months, and large and combined into larger units - to 18-monthly age, and adjusted of all types to the whole year round Free maintenance. The sphere of the use is the economies for growing of cattle of Ukraine.