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Результаты 21-30 из 79
Влияние условий культивирования на активность вирусa PPCC
2009
Savelyeva, T.A. | Krasnikova, E.L., National Academy of Sciences. Scientific and Practical Center of Animal Breding (Belarus). The S.N. Vyshelesskij Inst. of Experimental Veterinary Medicine
Data on changes of infectious titer of Porcine Reproductive & Respiratory Syndrome (PRRS) virus depending on variability of cultivation conditions was analyzed in the conditions of the Republic of Belarus. There were determined the regimes of cultivation which made it possible to minimize the terms of virus containing material production up to 3 days. The following factors influenced the infectious titer of PRRS: adaptation to cell culture; completeness of cell culture monolayer; number cells moving into stage of logarithmic growth; infectious dose of virus; storage duration; usage intensity.
Показать больше [+] Меньше [-]Морфологические показатели печени цыплят-бройлеров при скармливании концентрата витаминов E из рапсового масла
2009
Sandul, P.A. | Luppova, I.M. | Sandul, A.V. | Gromov, I.N., Vitebsk State Academy of Veterinary Medicine (Belarus)
Investigation of histological structures of liver of fattening broiler chickens after application of concentrate of E and F vitamins produced on the basis of rapeseed oil was realized in the conditions of the Republic of Belarus in order to evaluate their efficiency for prophylaxis of massive hepatic necrosis. Research results showed that application of the vitamins on the basis of rapeseed oil promoted the support of structural properties of hepatic cells that proved their higher antioxidant efficiency in comparison with synthetic vitamin analogues
Показать больше [+] Меньше [-]Идентификация вида эймерий на основе двухмерного математического анализа строения ооцист
2009
Mironenko, V.M., Vitebsk State Academy of Veterinary Medicine (Belarus) | Korchevskaya, E.A., Vitebsk State Univ. named after P.M.Masherov (Belarus)
In the conditions of the Republic of Belarus there was developed a concept for differentiation of eimeria and helminthes using a system of identification indexes as mathematical expressions of morphometric correlations of eimeria oocystae and helminth eggs morphology. There was developed a method for identification eimeria species on the basis of two-dimensional mathematical analysis of oocysts using a new identification index which represented a duplication proportion of contour perimeter to surface area of an oocyst.
Показать больше [+] Меньше [-]Сравнительная эффективность различных способов синхронизации половой охоты у коров
2009
Garbuzov, A.A. | Yushkovskij, E.A. | Rubanets, L.N., Vitebsk State Academy of Veterinary Medicine (Belarus)
Analysis of synchronization of oestrus of cows by means of Ovsynch and Pre-Synch methods was realized in the conditions of the Republic of Belarus. Research results showed that estrus synchronization by means of Pre-Synch method proved to be more efficient by means of higher percentage of fertilization after the first and second insemination in comparison with Ovsynch method. Treatment of cows with the substances Surfagon and Tetravit for synchronization of oestrus did not render negative effect on milk quality and safety.
Показать больше [+] Меньше [-]Эффективность йодсодержащего препарата при стимуляции половой функции у крупного рогатого скота
2009
Kuzmich, R.G. | Khanchina, A.R. | Eliseev, V.V., Vitebsk State Academy of Veterinary Medicine (Belarus)
Results of studying the efficiency of iodine containing preparation Jodon which was applied to highly productive cows with hypovarianism and to servicing bulls in order to increase their reproductive function realized in the Republic of Belarus were presented. On the basis of realized studies there was proved the considerable efficiency of Jodon preparation.
Показать больше [+] Меньше [-]Гематологические показатели крови у свиней, вакцинированых против лептоспироза
2009
Nikitenko, I.G. | Prudnikov, V.S., Vitebsk State Academy of Veterinary Medicine (Belarus)
In the conditions of immunization of swine by experimental produced at Vitebsk Biofactory in the Republic of Belarus vaccines in blood of experimental swine there stated the morphological changes which pointed to formation of immune response.
Показать больше [+] Меньше [-]Возрастная морфологическая характеристика и топография щитовидной железы у молодняка крупного рогатого скота черно-пестрой породы в условиях скотоводческих комплексов Республики Беларусь
2009
Fedotov, D.N. | Luppova, I.M. | Zhukov, A.I., Vitebsk State Academy of Veterinary Medicine (Belarus)
Analysis of morphological characteristic and parameters of a thyroid gland of a thyroid gland of growing cattle stock made it possible to specificate the age-specific and species-specific parameters of adaptation of cattle in concrete conditions of environment was realized in the conditions of cattle breeding complexes of the Republic of Belarus. As a result of studies there were obtained new data on form-building processes, macromorphology, topography and referential parameters of thyroid gland of cattle breeds.
Показать больше [+] Меньше [-]Эффективность использования генов-маркеров EPOR, MUC4 и IGF-2 при повышении продуктивных качеств свиней пород белорусской селекции
2009
Dojlidov, V.A. | Kaspirovich, D.A., Vitebsk State Academy of Veterinary Medicine (Belarus) | Loban, N.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus) | Bykova, M.I. | Mikhajlova, T.I., Selection and Hybrid Centre Zadneprovskij, Vitebsk region (Belarus)
Use desirable alleles allows to raise the reproductive quality of the sows, in particular, amount alive piglets at birth (EPORTT), safety piglets (MUC4CC) meat quality pig (IGF-2QQ) that in turn allows to get the additional income at realization of the saplings
Показать больше [+] Меньше [-]Эффективность применения мультиэнзимной композиции Фекорд – 2004С и биологически активной добавки Оксидат торфа в кормлении поросят
2009
Kapanskij, A.A., Grodno State Agrarian Univ. (Belarus)
Results of researches on studying influence separate and combination feeding fermented compositions Fekord-2004C and biologically active additive Oxide Peat on energy of growth and protective properties of an organism of pigs – deprivation are stated. It is established that enrichment of mixed fodder investigated by the fodder fermented additive Fekord-2004C at the rate of 0,15 kg on ton of mixed fodder in combination application with biologically active substance Oxide Peat in a doze of 1,0 kg on ton of mixed fodder promotes increase of growth rate of pigs on development and to decrease of the charge of forages on unit of a gain of alive weight and safety of pigs
Показать больше [+] Меньше [-]Показатели рубцового пищеварения у жвачных животных при различной концентрации обменной энергии и сырого протеина в сухом веществе рациона
2009
Kurepin, A.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
While studying biochemical values that characterize rumen digestibility based on research agricultural experiment some results were obtained. These results prove that studied diets with increase of energy and raw protein concentration levels in dry matter influence positively at nitrous substances concentration activate micro flora motions and promote bio-synthetic processes in rumen fluid of experimental animals
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