The influence of biologically active substances on productive performances of replacement steer
Abstract
The results of feeding of biologically active substances to replacement steers showed a positive effect on growth rate, natural resistance, quality and quantity of sperm production, as well as live weight increased by 9,4-9,8 % and lower feed expenses of 1 kg of gain by 7,5-8,7 %.
About the Authors
V. I. Shliakhtunov
Vitebsk State Academy of Veterinary Medicine
Russian Federation
Russian Federation
M. M. Karpenia
Vitebsk State Academy of Veterinary Medicine
Russian Federation
Russian Federation
М. M.v
Vitebsk State Academy of Veterinary Medicine
Russian Federation
Russian Federation
S. N. Piliuk
Belarusian State Agrarian Technical University
Russian Federation
Russian Federation
References
1. Нормы и рационы кормления сельскохозяйственных животных : справ. пособие / А. П. Калашников [и др.]. - М.: Агропромиздат, 1985. - 352 с.
2. Самохин, В. Т. Профилактика нарушений обмена веществ микроэлементов у животных / В. Т. Самохин. - М.: Колос, 1981. - 144 с.
3. Природа Беларуси [Текст]: попул. энц. / ред. кол.: И. П. Шамякин [и др.]. - 2-е изд. - Мн.: БелСЭ, 1989. - 599 с.
4. Spears, J. W. Revaluation of the metabolic essentiality of the minerals / J. W. Spears // Asian australas J. anim. sci. - 1999. - Vol. 12(6). - Р. 1002-1008.
Review
For citations:
Shliakhtunov V.I., Karpenia M.M., M.v , Piliuk S.N. The influence of biologically active substances on productive performances of replacement steer. Zootechnical Science of Belarus. 2005;40:301-306. (In Russ.)
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