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Information × Registration Number 0219U003229, 0116U001186 , R & D reports Title Develop the system of selection the gene pools of the dairy cattle of the southern region considering the modern achievements of genetics and biotechnology to improve the level of productivity, adaptation and longevity of the animals. popup.stage_title Head Pysarenko Andriy Viktorovych, Registration Date 28-01-2019 Organization Institute of Animal Breeding in Steppe Regions named by M.F. Ivanov "Ascania-Nova" - National Scientifical Selectional-Genetics Center of Sheep Breeding popup.description2 The object of researches is the formation of economically useful traits features, the level of heat resistance and the genetic structure of the livestock populations in the Ukrainian Red Dairy and the Ukrainian Black Motley Southern types of dairy breeds under the conditions of intensive milk production technology. The aim of working out is to study the level of dairy cattle adaptation in connection with the level of economically useful traits. The research methods are zootechnical, selection, genetic, clinical, physiological, statistical analysis. A breeding system has been developed that provides for the improvement of existing and the creation of new highly productive herds of cattle dairy breeds with a long period of productive use and adapted to certain economic conditions. The degree of adaptation of dairy cattle by the level of economically useful traits has been studied. From genetic factors a significant impact on the cows level milk productivity has the origin of animals by the father ( = 0,121-0,496). The strength of the influence the lines and various conditional blood levels is lower and is =0.018-0.364 and = 0.005-0.189, respectively. The adaptation indices of the first-calf heifers of the Ukrainian Red Dairy breed are on average -4.2, and for the Southern Type cows of the Ukrainian Black Motley Dairy breed is 6.3. The coefficients of reproductive ability in cows of the Ukrainian Red Dairy breed of the fat-milk type at the level of 0.920-0.991, Holstein Type is 0.901-0.961 and the Southern Type of the Ukrainian Black Motley Dairy breed is 0.937-1.025. Life expectancy and lifelong yield the Ukrainian Red Dairy breed of cows fat-milk type are 2653 days and 19925 kg, in animals of Holsteinized Type - 2279 days and 15759 kg and in cows of the Southern Type Ukrainian Black Motley Dairy breed is 2049 days and 15752 kg respectively. The assessment of first-calf heifers of the Southern Type of Ukrainian Black Motley Dairy breed according to group characteristics of the linear classification of the exterior type showed that the animals received rather high marks - 77.9, which corresponds to the class "good" according to the generally accepted international scale. Almost all antigens (except H 'and U) with a concentration of 0.0018 to 0.9582 have been established in cattle of the Ukrainian Red Dairy breed. Antigens R1, E'1, and G3 are detected only in Holsteinized animals. According to the average values of the antigen saturation coefficients, the experimental groups do not have significant differences (0.2356-0.24475). The correlation coefficient of immunogenetic similarity between Holstein and fat-milk types is 0.7747. It was revealed that certain alleles of the EAB locus (B1 P ', B 2O 1, G 2Y 2E' 1Q', Y 2A' 1 and G '') mark the genotypes of animals with different levels of milk production during the first lactation. Product Description popup.authors Буюклу Микола Іванович Дудок Альона Романівна Писаренко Надія Борисівна Тараненко Сергій Валентинович popup.nrat_date 2020-04-02 Close