Salogub A. Selective and genetic aspects of cattle formation in the North–eastern region of Ukraine

Object of researches: pedigree value, plant-breedings genetic indexes of changeability of signs of the suckling and lifelong productivity, exterior type of animals within the limits of breeds, herds, genealogical formings and separate of stud bulls, meat productivity of bulls. Article of researches: animals of Ukrainian brown, black- and red-and-white milk, lebedinskoy and Brawn Swiss, breeds of cattle; bull-calves Ukrainian black-and-white and brown milk, aberdin-angus, limuzen, simmental, light aquitanian and Ukrainian meat breeds. Methods of researches: zootechnic, instrumental, measurement with naked an eye, morphological, comparative, genealogical, statistical, cross-correlation, dispersion, design. Scientific novelty of the got results – first in Ukraine it is offered for the wide use new method of linear classification of cows. On the stage of consolidation of the Ukrainian sucklings breeds the features of forming of exterior type of animals are set in connection with the productivity, age, heredity,correlative development of signs with determination of selekcionn-genetic parameters. Practical value of the got results – the populyacionn-genetic parameters of signs of exterior are certain will be instrumental in the effective selection of animals on a type, at high level of authenticity and objectivity to determine the pedigree value of bulls-producers on the exterior type of their daughters.