Highly productive herd of black-and-white cattle
The influence of blood and lineal affiliation of the Holstein breed on milk productivity, reproductive qualities and exterior of cows of the black and spotted breed. The effect of increasing the proportion of blood in Holsteins on milk productivity.
Подобные документы
Determination of the level of homozygosity of the active part of the population of the white-headed Ukrainian breed for one generation and 50 years of reproduction. Evaluation of the possibility of using inbreeding to preserve the gene pool of the breed.
статья, добавлен 30.06.2022Influence of parents' genotype and microclimate parameters on productivity of dairy cattle. Applying of effective breeding methods. Study of the environment, assessment of the productive qualities of animals for growing in different types of buildings.
статья, добавлен 29.06.2022Results of changes in the productivity of Yugan communities in the Ziddi tract (slope of the Gissar ridge) under the influence of nitrogen fertilizers. Yugan is one of the highly productive natural forage lands of the Pamir-Alai herbaceous ecosystem.
статья, добавлен 31.05.2021The nature of inheritance of selection attributes and the level of realization of the potential productivity of rabbits of breed Poltavske sriblo. Formation of productivity indicators in rabbits of Poltava silver breed in the context of generations.
статья, добавлен 29.06.2022- 5. Effect of lactation stage and bacteriological finding on IG G concentration in milk serum of cows
The role of concentration of immunoglobulins in milk, their significance for the health udder of the cow. The measurement of optical density of igg in the serum of milk in various periods of lactation, definition of possible bacteriological contamination.
статья, добавлен 26.01.2017 Determination of the influence of dietary characteristics on the concentration of urea in milk. Improving the efficiency of feed use for cows, increasing the content of edible raw protein. Minimization of nitrogen losses in the environment at dairy farms.
статья, добавлен 18.10.2019The use of whole blood to determine hematological parameters using a hematological analyzer. The values of the number of circulating red blood cells, the concentration of hemoglobin and hematocrit. The process of adapting horses to physical activity.
статья, добавлен 25.02.2020Assessment of the suitability of highly productive cows for milking by the condition of the nipples of the udder. The structure of unevenly developed shares of the udder in animals. Determining the of compliance of cattle to machine milking conducting.
статья, добавлен 17.03.2022Features of the formation of the elements of the structure and productivity of seeds of white sweet clover varieties Yuzhny and Donetsk Odnorichny. Influence of row spacing and doses of nitrogen fertilizers in non-irrigated conditions of the south.
статья, добавлен 15.09.2022Ways and principles of increasing the immunity and productivity of animals when using phytopreparations. Evaluation of the effect of the study drugs on the calves at the age of 2.5 months. Properties and importance of these drugs in agriculture.
статья, добавлен 23.09.2016Analytical review of Ukrainian and foreign sources of literature on the characteristics of the productivity of the garden agroecosystem and the impact of agrotechnical measures on it. Anthropogenic influence in gardens on the productivity of plantations.
статья, добавлен 22.01.2024Генетические характеристики крупного рогатого скота калмыцкой породы. Трансформации современного молочного скотоводства. Анализ продуктивных качеств быков, относящихся к разным линейным принадлежностям с учетом засушливого континентального климата.
статья, добавлен 15.05.2017Observations of protein-lipid metabolism in bulls-producers of the domestic red-and-white breed at the age of 2-11 years. The influence of the age of bulls on the intensity of protein and lipid metabolism in their body, the content of creatinine and urea.
статья, добавлен 03.07.2023Study of perennial legumes as a source of valuable high-protein feed for farm animals, a factor in the biologization of agriculture. The main parameters for the creation of highly productive agrophytocenoses of perennial legumes to increase productivity.
статья, добавлен 26.04.2023The method of biological conservation and using of highly productive cows in feeding of wet grain of sorghum, which provides the long-term "aerobic stability" of canned feed by using the hay meal preservative ingredient flour of Galega oritalis L.
статья, добавлен 28.12.2017The algorithm for using a methodical approach to forecasting the purchase price of milk, taking into account the correlation between milk prices and prices for certain types of dairy products, which is produced and sold by agricultural producers.
статья, добавлен 11.05.2022Etiology and pathogenesis of acute postpartum metritis in cows and evaluating the complex treatment methods that are used at this pathology. Impact izatyzon, novocaine, ihtiola, estrofan, surfahon on biochemical and morphological parameters blood.
статья, добавлен 30.07.2016The essence of the cultivation of promising varieties and hybrids of tomatoes in the Lower Volga region. Increasing the productivity of vegetable crops in a severely arid climate by regulating physiological and biological processes with drip irrigation.
статья, добавлен 18.03.2021Aspects of the organization of a farm economy for production of meat and milk products. Capital investments in fixed and circulating assets of agricultural production. The calculation of technical and economic indicators of the production program.
статья, добавлен 28.04.2018Growth in total factor productivity in agriculture, arising out of technical change and improvements in efficiency, has made an exceedingly important contribution to economic growth. The sustainable growth in agricultural output and productivity.
статья, добавлен 21.11.2011The results of phytoexamination of the seeds of milk thistle (Silybum marianum), which were grown in the Poltava region, are presented. Indicators of seed quality, degree of infection and species composition of pathogenic microorganisms were studied.
статья, добавлен 19.03.2024The formation of productivity of sown cereal grass and feed quality indicators depending on the doses and ratios of mineral fertilizers on sod-podzolic soils of Prykarpattia. Nitrogen had the greatest effect on grass productivity and chemical composition.
статья, добавлен 30.06.2022The effect of water-soluble probiotic complex Liquafid on the meat performance of Hybrid Converter cross turkeys. Experimental substantiation of increasing the mass and yield of turkeys, reducing their mortality and improving the quality of products.
статья, добавлен 03.07.2023Study of the North-Western region of Ukraine as to the distribution and flight periods of blood-sucking dipteran insects, zoophilic flies, and botflies to protect the cattle from their attacks. Analysis of periods of increased activity of the midges.
статья, добавлен 29.06.2022Determination of the level of pathological changes in the vascular bed of fibrous formations of acropods in septic diseases of the fingers in cattle. An adaptive mechanism that prevents hemostasis. The process of compensatory hypertrophy of blood vessels.
статья, добавлен 26.12.2023