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Оперативный способ лечения быков с новообразованиями полового члена
2009
Komarovskij, V.A. | Rukol, V.M., Vitebsk State Academy of Veterinary Medicine (Belarus)
In the conditions of the Republic of Belarus there was developed a method of surgical treatment of servicing bulls with penial tumors including tumor removal by means of gas docker Tail Docker and intravenous 0,5% novocaini solution injection during postoperative stage makes it possible to reduce the duration of surgical operation in 3-4 times, completely remove probability of bleeding, reduce the healing period on the average on 6 days and lower the probability of relapse of tumor.
Mostrar más [+] Menos [-]Физиологическое состояние и продуктивность бычков в зависимости от качественного состава протеина в рационе
2009
Kovalevskaya, Yu.Yu. | Gurin, V.K. | Kot, A.N. | Kozinets, A.I. | Shorets, R.D., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
It is determined that diets with protein digestibility of 61-66% in organism of a calve activate fermentative processes in rumen, increase digestibility of nutrients at 3,8-10,1% that allows to obtain the average weigh gains of 1036-1075 g, that is at 4,2-8,1% higher than that of control group at forage spends of 6,79-7,04 forage units
Mostrar más [+] Menos [-]Воспроизводительная способность и естественная резистентность быков-производителей при использовании в кормлении различных уровней витаминов и микроэлементов
2009
Shlyakhtunov, V.I. | Karpenya, M.M. | Karpenya, S.L., Vitebsk State Academy of Veterinary Medicine (Belarus)
Application in diets of producing bulls of the increased doses of vitamins and trace elements promotes the increasing of indexes of their reproductive ability on 6,3-12,4% and natural resistance on 3,3-8,8% during the winter and summer periods, and also allows to receive profit on 1 ruble of expenses 3,7 rubles
Mostrar más [+] Menos [-]Регуляция воспроизводительной функции быков-производителей
2008
Zhuk, N.F., Brestplempredpriyatie, Brest (Belarus) | Khanchina, A.R., Vitebsk State Academy of Veterinary Medicine (Belarus)
The efficiency of influence of iodon on the reproductive function of fullmouthed sire bulls of white-and-black breed was studied in the conditions of the Republic of Belarus. There were formed two groups of sire bulls: experimental group with low indices of sperm quality; control one – with high indices. In course of studying the interrelation of thyroid and sexual glands there was established the presence of parallelism in their development and function. In a period of sexual arousal the thyroid gland came into hyperactivity condition. At the same time, the quantity of triiodothyronine increased from 2,23 +/-0,02 to 3,05 +/-0,02 ng/ml, thyroxine - from 38,7 +/-1,02 to 59,8 +/-1,07 ng/ml. For the increasing of the reproductive qualities of sire bulls there was developed a iodine-containing preparation Iodon which should be spread with a medical syringe over a skin along the spine column. Iodon preparation applied in such a way made it possible to reduce the stressful influence more efficiently in comparison with an injection; it was well acquired and promoted the increasing of the reproductive function of sire bulls. The Iodon was developed on a basis of dimethylsulfoxide that promoted the efficient absorption through a skin. The preparation is a homogeneous hyaloid russet liquid with a specific smell, it is produced in bottles of 200 and 400 cm cubic. Iodon preparation realizes medical and preventive action in cases of impairment of sexual glands function against the background of iodine hunger. The preparation does not possess any allergenic properties, shows weak cumulative properties, and is harmless. The sperm quality improvement has been marked in all parameters, sexual reflexes become more stable and vigorous, animal fertility increased
Mostrar más [+] Menos [-]Качество спермы и естественная резистентность быков-производителей при использовании новых премиксов
2008
Karpenya, S.L., Vitebsk State Academy of Veterinary Medicine (Belarus)
Determination of the influence of new premixes on sperm quality and natural resistance of sire bulls during winter and summer periods was realized in the conditions of the republic of Belarus. Application of the developed vitamin and mineral additive in rations of sire bulls in course of winter and summer periods made it possible to increase their natural resistance, that was proved by the 7,2-8,8% increasing of the bactericidal activity of blood serum indicators, 0,6% increasing of lysozymic activity of blood serum, and 3,3-5,1% increasing of the phagocytic ability of leukocytes. There was determined the possibility to increase sire bull sperm quality during different year periods by means of application of the enhanced doses of vitamins and trace elements. As a result, the ejaculate volume increased on 7,4-2,4%, concentration of male germ cells in ejaculate on - 6,3-7,8%, sperm activity - on 6,7-7,3%, and also there was stated the decrease of spoilage percent of sperm production. Results of the industrial testing have confirmed efficiency of use of the recommended vitamin and mineral additive and calculated on its basis premixes. Its application made it possible to increase the quality of bull of sperm production on 3,6-10,8%
Mostrar más [+] Menos [-]Влияние различного сахаропротеинового отношения в рационе на эффективность использования обменной энергии племенными бычками
2008
Kryshton, T.G., National Academy of Sciences. Scientific and Practical Center of Animal Breding (Belarus)
Balanced complete feeding proved to be one of the major conditions of animal productivity increase and improvement of their reproductive qualities. Full value of feeding could be obtained at the expense of forage quality improvement and perfection of structure of the rations providing the increasing of metabolic energy use by breeding bull-calves. Analysis of the efficiency of metabolic energy use by the replacement bull calves under conditions of various sugar and protein ratio was realized in the Republic of Belarus. Research results showed that enrichment of replacement bull calves (with 325-405 kg of live weight) rations with easy digestible carbohydrates (sugar and starch) in ratio of 32% from a dry matter ration, including 15% of stable starch made it possible to increase the transformation of metabolic energy into energy of body weight gain on 21,73 - 23,96 MJ or on 10,3%, that as a result correspondingly increased the daily average weight gains on 7,9% and reduced the expenses for forage energy for 7,1% counting on an energy unit. According to the ejaculate volume indices the bull calves of the second experimental group surpassed analogues of a control group on 14,8%, and according to sperm concentration indices - on 12%. The average quantity of the frozen doses of sperm has made 65%
Mostrar más [+] Menos [-]Приготовление и использование ЗЦМ [заменителя цельного молока] в кормлении телят
2008
Pilyuk, S.N., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Research was directed towards selection of national, accessible and cheap ingredients of whole milk replacers in the conditions of the Republic of Belarus. The efficiency of compounding preparation and its use in calves feeding at an early age was analysed. There was developed the technological scheme of application of hydrodynamic installation which operates according cavitating principle and makes it possible to receive the homogeneous and finely divided mass directly from grain forage that is very important for preparation of milk replacer. New equipment gives the chance to lower power consumption on 17%, to receive economic benefit. During testing of developed of milk replacer-1 (used for calves feeding since one month old) and milk replacer-2 (used for calves feeding since two months old) and their comparison with the whole milk replacer Kalvolak (the Netherlands) it was revealed, that indices of a daily average weight gain in calves of the first group fed with foreign milk replacer, and in calves of the second groups, which were fed with the national milk replacer, did not show authentic differences (806 and 816 g). However, the prime cost of 1kg of live weight gain in the second case was on 43% cheaper than in the first one. The cost price of 1kg of live weight gain of calves on expenses for fodder units in trial group was on 33% cheaper in comparison with the control group
Mostrar más [+] Menos [-]Использование премикса с различным содержанием селена в кормлении племенных бычков
2008
Shamich, Yu.V., Vitebsk State Academy of Veterinary Medicine (Belarus)
Studying of influence of various levels of selenium on growth, protein structure of blood serum, natural resistance, and reproductive performance of pedigree bull-calves was realized in the conditions of the Republic of Belarus. It was established, that feeding with an optimum dose of selenium (0,4 mg per 1 kg of dry matter) in rations of replacement bull-calves during the raising period promoted the increasing of daily average weight gain on 6,8%, indexes of natural resistance - on 0,5-13,9%, and sperm production quality - on 4,5-27,3%. In the conditions of optimization of selenium level of in diets the protein structure of blood serum of replacement bull-calves exceeded the similar index at control animals by the crude protein index - on 8,3 (Р less than 0,05), by albumine and alpha globulin -on 2,2% and 1,6%, respectively. Application of selenium in dose of 0,4 mg per 1 kg of dry matter made it possible to increase the indexes of natural resistance on 0,5-13,9%. Increase of selenium dose up to 0,4 mg per 1 kg of dry matter in made it possible to increase the quantity and quality of sperm of bull-calves, that was proved by the increasing of ejaculate volume on 4,5%, concentration of male germ cells in ejaculate – on 15,7% (Р less than 0,05) and male germ cells activity - on 7,3% (Р less than 0,001)
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