UDC 636.2.087.8
DOI 10.36461/NP.2025.75.3.004

CORRECTION OF KEY PARAMETERS OF RUMINAL DIGESTA IN HIGH-YIELDING COWS USING BUFFER ADDITIVES WITH PROBIOTIC YEAST
D. M. Fertikova, Postgraduate; E.M. Kislyakova, Doctor of Agricultural Sciences, Professor
Federal State Budgetary Educational Institution of Higher Education "Udmurt State Agricultural University",
Izhevsk, the Udmurt Republic, е-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Today, high milk productivity in cows can be achieved only by using large amounts of concentrated feed in their diets. The peak milking period is the most physiologically stressful time for the animals. The purpose of the study is to compare the effectiveness of using Saccharomycetes and Kluyveromyces yeast in buffer additives for cows. The research was conducted at "Voskhod" AO in the Sharkan district of the Udmurt Republic on Holstein cows. For the study, animals were selected into groups using the pair-analog method. During the study period, the organoleptic parameters of ruminal digesta indicated signs of subclinical ruminal acidosis in the cows. After 30 days of using buffer additives with probiotic yeast in the cows' diets, a positive outcome was observed: in the experimental groups, the consistency of the ruminal digesta was slightly viscous, and no animals had watery consistency. In the control group, the number of cows with watery consistency remained unchanged. A positive trend was also observed in terms of smell. The effectiveness of using buffer additives with probiotic yeast in cow diets as a preventive measure against ruminal acidosis is further confirmed by changes in the background indicators of ruminal digesta: stabilization of ruminal fluid acidity and an increase in the number of ciliates with preservation of their functional activity were observed. The best effect was achieved when a buffer additive with Kluyveromyces marxianus yeast was used. A significant (P ≥ 0.95) increase in the number of ciliates in the ruminal fluid was observed, by 199,000 per 1 ml, or 20.9%.
Keywords: ruminal digesta, acidosis, buffer additives, probiotics, yeast, prevention.

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Agronomy


PCA BIPLOT AND STRESS INDICES FOR ANALYZING DROUGHT RESISTANCE OF INTERSPECIFIC RIL POPULATION
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I.S. Normatov, Junior Researcher; U.A. Boykobilov, Junior Researcher;
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A.B. Mamazhanov, Junior Researcher; M. M. Kholmuradova, Junior Researcher;
A. S. Imamkhodzhaeva (PhD), Head of Laboratory, Z.T. Buriev, Director
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EVALUATION OF NEW PEA BREEDING LINES PRODUCTIVITY
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O.M. Kasynkina, Candidate of Agricultural Sciences, Associate Professor
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2Federal State Budgetary Scientific Institution “North Caucasus Institute of Scientifically Research of Mountain and Foothill Agriculture” – branch of the Federal Scientific Center “Vladikavkaz Scientific Center of the Russian Academy of Sciences”, Republic of North Ossetia-Alania, Mikhailovskoye village, tel.: 8 (918) 7050330, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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S.M. Nadezhkin2, Doctor of Biological Sciences, Professor, I.S. Zheryakov1, Postgraduate
1Federal State Budgetary Educational Institution of Higher Education "Penza State Agrarian University", Penza, Russia e-mail This email address is being protected from spambots. You need JavaScript enabled to view it.
2Federal State Budgetary Scientific Institution "Federal Scientific Center of Vegetable Growing", Moscow


CHANGES IN THE FERTILITY OF MEADOW-CHERNOZEM SOIL UNDER THE INFLUENCE OF THE SOIL IMPROVER “POCHVOULUCHITEL” AND FERTILIZERS
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Yu.V. Koryagin, Candidate of Agricultural Sciences, Associate Professor;
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O.V. Reznikova1, Candidate of Agricultural Sciences, Associate Professor;
S.N. Zhakova2, Candidate of Biological Sciences, Associate Professor
1Volgograd State Agricultural University Volgograd, Russia, tel. 8(8442) 41-12-22, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
2Perm State Agro-Technological University named after Academician D.N. Pryanishnikov Perm, Russia, tel. 8(342) 217-94-35, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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S.N. Alekseeva, Candidate of Eonomic Sciences, Associate Professor
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A.A. Volodkin, Candidate of Agricultural Sciences, Associate Professor;
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N.I. Ostroborodova, Candidate of Agricultural Sciences, Associate Professor
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Penza, Russia, tel. (8412) 628-367, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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A.S. Shcherbakov, Senior Lecturer, S.V. Bogomazov, Candidate of Agricultural Sciences, Associate Professor
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EFFECT OF FOLIAR TREATMENT WITH MICROFERTILIZERS ON CORN YIELD
S.A. Semina, Doctor of Agricultural Sciences, Professor;
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A.S. Paliychuk, Candidate of Agricultural Sciences
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I.S. Zheryakov, Postgraduate; S.A. Semina, Doctor of Agricultural Sciences, Professor,
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Yu.I. Zheryakova, Candidate of Agricultural Sciences,
O.N. Kukharev, Doctor of Technical Sciences, Professor
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Private animal husbandry, feeding, technologies of feed preparation and production of livestock products


CORRECTION OF KEY PARAMETERS OF RUMINAL DIGESTA IN HIGH-YIELDING COWS USING BUFFER ADDITIVES WITH PROBIOTIC YEAST
D. M. Fertikova, Postgraduate; E.M. Kislyakova, Doctor of Agricultural Sciences, Professor
Federal State Budgetary Educational Institution of Higher Education "Udmurt State Agricultural University",
Izhevsk, the Udmurt Republic, е-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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Yu.A. Borisov, undergraduate student, O.P. Tukanova, student
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e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


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I.R. Gazeev1, Candidate of Agricultural Sciences, Associate Professor
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Nosov A.V.1, Candidate of Economic Sciences, Associate Professor,
Balobanova N.P.2, Candidate of Biological Sciences, Associate Professor
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a branch of the Vladikavkaz Scientific Center of the Russian Academy of Sciences,
Mikhailovskoye village, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


 

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V.V. Shumaev, Candidate of Engineering Sciences, Associate Professor
Penza State Agrarian University, Russia, tel. (8-8412) 62-85-79,
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it., This email address is being protected from spambots. You need JavaScript enabled to view it.


 

RESEARCH RESULTS ON A MILKING MACHINE WITH TEAT CUPS FOR COMPRESSION-SQUEEZING STROKE
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Penza State Agrarian University, Penza, Russia
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 Regional and sectoral economics (economic sciences)


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O.A. Tagirova1, Candidate of Economic Sciences, Associate Professor;
M.Yu. Fedotova1, Candidate of Economic Sciences, Associate Professor;
O.A. Burmistrova2, Candidate of Economic Sciences, Associate Professor;
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2Financial University under the Government of the Russian Federation, Penza, Russia


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O.V. Lavrina, Candidate of Economic Sciences, Associate Professor;
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E.V. Shirokova, Candidate of Economic Sciences, Associate Professor
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