Use waste of forest biomass and enzyme the drug in feeding cows
https://doi.org/10.31043/2410-2733-2019-3-3-10
Abstract
In modern practice of feeding one of the factors of increase animals productivity and received production quality is use in feeding of various feed additives, in particular from nonconventional forest resources. The aim of the study was to study the effect of coniferous flour and pine nut shell together with the enzyme feed additive Amilosubtilin G3x on dairy productivity of cows. The research was carried out in the LLC "Plemzavod "Tayozhny" Sukhobuzimsky district of the Krasnoyarsk region on dairy cows of Black-Motley breed. It was formed two groups of cows - control and experimental, 15 heads in each group. The control group was fed the main diet, experimental-in addition to the main diet was fed coniferous flour (50 g/head/day), pine nut shell (50 g/head/day) and feed additive Amilosubtilin G3x (5 g/head/day). The duration of the experiment was 100 days. Studies and processing of the data were carried out according to generally accepted methods using modern equipment. As a result of the conducted researches it is established that complex application of the studied additives in feeding of cows allows to increase milk yield on 7.1 %, quantity of milk fat - on 13.8 %, quantity of milk protein - on 1.9 %, milk yield of basic fat content - on 14.2 %, and also improves physicochemical and technological properties of milk. The results indicate a positive effect of the tested additives on the metabolism and productivity of cows, which is confirmed by zootechnical data.
About the Authors
V. Tereshchenko
Krasnoyarsk Research Institute of Animal Husbandry — Separate Division of FRC KSC SB RAS
Russian Federation
Russian Federation
researcher of Department of feeding and feed technology
660049, Krasnoyarsk, Mira Ave., d. 66
E. Ivanov
Krasnoyarsk Research Institute of Animal Husbandry — Separate Division of FRC KSC SB RAS
Russian Federation
Russian Federation
PhD (Agr. Sci.), senior researcher of the Department of feeding and feed technology
660049, Krasnoyarsk, Mira Ave., d. 66
O. Ivanova
Krasnoyarsk Research Institute of Animal Husbandry — Separate Division of FRC KSC SB RAS
Russian Federation
Dr. Habil. (Agr. Sci.), director 660049, Krasnoyarsk, Mira Ave., d. 66
Russian Federation
Dr. Habil. (Agr. Sci.), director 660049, Krasnoyarsk, Mira Ave., d. 66
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Review
For citations:
Tereshchenko V., Ivanov E., Ivanova O. Use waste of forest biomass and enzyme the drug in feeding cows. Genetics and breeding of animals. 2019;(4):56-63. (In Russ.) https://doi.org/10.31043/2410-2733-2019-3-3-10
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