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Сезонная динамика субклинических полимикроэлементозов коров и их связь с состоянием приплода
2009
Grigorchik, M.M. | Abramov, S.S., Vitebsk State Academy of Veterinary Medicine (Belarus)
Investigation of spreading of diseases of micronutrient deficiencies at cow breeding farms of Grodno district of the Republic of Belarus depending on the season and character of polymicroelementoses, as well as the determination of relations between polyhypomicroelementoses and state of new born calves were realized. Clinical investigation of 1350 milked and calf-bearing dry cows and biochemical analysis of 450 blood samples taken at nongrazing time (before cows pasture) and at pasture time were conducted. The following animal groups were selected: the first group – cows after calving; the second group – the cows of three month pregnancy; the third group – calf-bearing dry cows. The following groups were selected among calf-bearing dry cows in nongrazing and pasture time: clinically healthy cows, which had biochemical blood changes, showing development of subclinical polyhypomicroelementoses (n = 20); clinically healthy cows with blood indicators, standing in limits of physiological standards. Number of calves was considered after calving of cows of both groups. Body weight, realization of staying and sucking position, evidence of sucking reflex, and calves disposition to neonatal pathology were considered in the study. Research result showed that cow microelementoses were marked by the development of subclinical polyhypomicroelementoses. Among cow polyhypomicroelementoses there was noted the domination of states followed by lowering of zinc, cobalt and cuprum content. Polyhypomicroelementoses were developing both in winter housing season and in course of grazing season. Polyhypomicroelementoses involve cows of different physiological states and were spreading more intensively at cow dry period and after calving. Calves obtained from cows with polyhypomicroelementoses often had the state of hypotrophy and high incidence of dyspepsia at colostric period. Clinical and biochemical status of the analyzed calves was characterized by signs of intoxication and hepatic insufficiency
Show more [+] Less [-]Ветеринарно-санитарная оценка продуктов убоя овец при применении различных форм препаратов цинка
2008
Kurdeko, A.P. | Kovalenok, Yu.K. | Matsinovich, A.A. | Golub', A.A. | Nikolaenko, S.A. | Pakhomov, P.I. | Bondar, T.V. | Bogomoltsev, A.V., Vitebsk State Academy of Veterinary Medicine (Belarus)
There were studied the veterinary-sanitary indicators of sheep slaughter products in the conditions of application of microcelements in various forms. Studying of the influence chelate forms of microelements on quality of cattle-breeding production is spent in comparison with preparations in which microelements are in a kind of salts. As a model preparation, for studying of chelate influence on quality of cattle-breeding production used of the chelate zinc form - Tsinkovet. Results of research show, that use of chelate and inorganic forms of zinc does not reduce high quality of received production. Meat of sheep of trial groups on organoleptic, bacteriological and physical and chemical indicators, and also biological value and harmlessness is characterized as good-quality and corresponds to veterinary-sanitary requirements. In tables results of physical and chemical researchs of meat, its biological value and harmlessness are presented. | Целью исследований явилось изучение ветеринарно-санитарных показателей продуктов убоя овец при назначении им микроэлементов в различных формах. Изучение влияния хелатных форм микроэлементов на качество животноводческой продукции проведено в сравнении с препаратами, в которых микроэлементы находятся в виде солей. В качестве модельного препарата, для изучения влияния хелатов на качество животноводческой продукции использовали хелатную форму цинка - Цинковет. Результаты исследований показывают, что использование хелатных и неорганических форм цинка не снижает доброкачественности получаемой продукции. Мясо овец опытных групп по органолептическим, бактериологическим и физико-химическим показателям, а также биологической ценности и безвредности характеризуется как доброкачественное и соответствует ветеринарно-санитарным требованиям. В таблицах представлены результаты физико-химических исследований мяса, его биологическая ценность и безвредность.
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