Influence of cow body weight and condition score before delivery on calving course of hereford cows
Determination of the influence of body weight and assessment of the state of Hereford cows before calving. Analysis of the ratio of different courses of calving Hereford cows, depending on their body weight and condition immediately before calving.
Подобные документы
Assessment 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 17.03.2022The study of the effect of feeding different amounts of triticale grain in the diet on digestibility of nutrients, body weight, average daily gain, carcass weight. It was established that the intake of nitrogen exceeded its excretion with faeces.
статья, добавлен 11.12.2023Anatomical, histological and physiological features of the breast. Macro- and microstructure the mammary gland. Characteristic of the udder of cows. Ductal system of the breast. Big differences between dairy cows. The choice of the milking procedure.
статья, добавлен 27.02.2019Introduction to basic options for measuring bPAGc concentration using three RIA systems in the postpartum period in non-pregnant cows. General characteristics of the most important sources of glycoprotein expression, consideration of the features.
статья, добавлен 23.03.2021Experimental information about the regularity of hard metals migration and loading of movable form of cadmium, plumbum, mercury and zinc in the organisms dairy cows. Using of zeolite meal of small grinding of "Sokyrnytske field" as fodder addition.
статья, добавлен 24.02.2016The influence of complex fertilizers on the productivity of spring barley. Application of preparations for feeding in two phases of vegetation. Determination of indicators of the weight of raw above-ground mass of barley at the beginning of earing.
статья, добавлен 04.12.2023Study of pulmonary gas exchange in heifers, milk productivity of Simmental firstborns of the Prykarpattia breed, to the physiological and selection index developed by us. Assessment of milk productivity in wide-bodied and narrow-bodied first-born cows.
статья, добавлен 12.12.2023Consideration and describing of the existing, promising, reliable and feasible indicators of the positive welfare of dairy cows on farms. Identification of the most relevant and feasible indicators for assessment positive welfare in dairy cows.
статья, добавлен 13.02.2024Cows with metabolic disorders characterized by phosphorus and endocrine malfunctions. The high possibility of placenta formation, placental function and fetal organogenesis slowdown. Microcirculatory disorders in fetus and maternal parts of the placenta.
статья, добавлен 30.07.2016The 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 peculiarities of grain weight inheritance per plant in the F1 soft winter wheat hybrids. It has been found out that grain weight inheritance per plant in first generation hybrids in most combinations develops on the type of positive overdominance.
статья, добавлен 14.02.2022Etiology 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 30.07.2016- 13. Reproductive ability of queen bees under the influence of heavy metals and fatty acids of bee pollen
Monitoring of the ecological state of the environment of the Carpathians. Assessment of the condition of apiary farms in the mountain zone of the Lviv Region. Determination of the content of heavy metals in the topsoil, bee pollen and honey bee tissues.
статья, добавлен 12.12.2023 Development of pig farming in Ukraine. Study of the influence of temperature and air humidity on the level of erythrocytes and leukocytes in the body of farrowing sows. Purposes of using the antioxidants Vikasol and Alkosel in the diet of animals.
статья, добавлен 12.12.2023Determination 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 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.
статья, добавлен 24.05.2023Determination of the efficiency of using silage from Echinochloa frumentacea in comparison with silage from 4-component mixture of spring legumes and fodder crops for fattening calves. Assessment of the impact on the average daily live weight gain.
статья, добавлен 29.06.2022The study of the expediency of using carrion siderates for indicators of the agro-ecological condition of the soil. The influence of carrion siderates on indicators of productivity, product quality and its ecological safety of corn and sunflower.
статья, добавлен 18.12.2023- 19. Study of the influence of low concentrations of a-zearalanol in feed on reproductive quality of hens
The effect of a-zearalanol at low concentrations on the reproductive properties of laying hens. Preservation of poultry, weight and hatchability of eggs, distribution of waste by periods of incubation. Decrease in the death of embryos in the later stages.
статья, добавлен 29.06.2022 A number of measures aimed at increasing the mass of cotton when grown in Uzbekistan. Study of the significance of changes in the mass of 1000 seeds due to the use of microfertilizer "Caflon" in the plant feeding system from leaves when caring for cotton.
статья, добавлен 19.03.2024Metabolic syndrome as an epidemic of non-infectious origin, associated with the consumption of a large amount of high-calorie food and a sedentary lifestyle. The peculiarity of bacterial lipopolysaccharides entering the body during metabolic syndrome.
статья, добавлен 18.12.2023Observations 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 03.07.2023Inquiry of achievement of complete restoration of dairy parenchyma and elimination of pathogen. Conducting of arterial chemotherapy, intramammary application and thorough milking of contaminated milk lobe. Raising the effectiveness of mastitis treatment.
статья, добавлен 30.10.2016Results 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 31.05.2021- 25. 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