Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 04 (171) 2018

Биология и биотехнологии

Лоретц О. Г. ректор, доктор биологических наук, профессор Уральский государственный аграрный университет

Белооков А. А. кандидат сельскохозяйственных наук, доцент Уральская ГАВМ

Горелик О. В. доктор сельскохозяйственных наук, профессор Уральская государственная академия ветеринарной медицины

Гумеров А. Б. аспирант Южно-Уральский государственный аграрный университет

УДК:636.22/.28.087.8.

THE MILK YIELD OF COWS WHEN USING PROBIOTIC ENZYME PREPARATIONS

Dairy cattle breeding is the leadingbranch of animal husbandry. For a more complete provision of population withmilk and dairy products is the task of increasing the productivity of animals.Perhaps this is due to the optimization of feeding. The use of new types offodder, balanced feeding allows to increase the yield while maintaining thephysiological status and productive longevity of cows. The purpose ofevaluating the possibility of using concentrate feed «URGA» and «Bazella-M 1»when feeding dairy cows and their effect on their milk production, compositionand properties of milk. Found that cows, which received feed concentrate «URGA»,significantly surpassed the control group cows according to yield of milk perlactation on 1237.5 kg or 14.0 %, while average daily milk yield of 29.88 ± 0.34kg. At the same time animals of group 3 also significantly exceeded cows 1group at P ≤ 0.05. Calculations of the biological efficiency of cows showed thesuperiority of that of cows experimental groups 2 and 3. From them was receivedmore dry matter per 100 kg live weight at 32.22 and of 19.67 kg or 18.0 and11.0 %, than from the animals of the 1st group. The same data were obtainedwhen calculating the coefficient of biological value. The physical and chemicalindicators of milk cows it was found that the best food value of milk from cowsof the experimental groups.


Keywords:

milk productivity, cows, food additives, physical and chemical indicators of milk.


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