Shevchenko A. Selective and genetic features of animals of Sumy into a pedigree type of the Ukrainian black-and-white dairy breed

Research object: living mass of heifers, suckling productivity and exterior of cows, efficiency of the lifelong use, genealogical structure of herds, pedigree value of bulls.Article of research: heifers, cows, bulls-producers, lines.Research methods: generally accepted zootechnic and biological methods with application at treatment of materials of biometrics statistics and computer technique.Scientific novelty. Efficiency of selection of animals of сумского внутрипородного type of the Ukrainian bleak-and-write breed is well-proven on the signs of development of repair sapling, suckling productivity, exterior and lifelong use of cows, lines and separate bulls determined heredity.Practical value. Vnedrenye of measure the selections of сумского внутрипородного type of the Ukrainian bleak-and-write breed directed on the increase of efficiency at creation of competitive herds in the conditions of intensive technology of production of milk. The improvement of type on duration of the producing use provided the increase of profitability of industry.