Vol 104. No 3 (2021)

BIOELEMENTOLOGY IN ANIMAL HUSBANDRY AND CROP PRODUCTION

Svetlana V Notova, Olga V Marshinskaya, Tatyana V Kazakova The content of macro- and microelements in the hair of cows from various regions of Russia

BREEDING, SELECTION, GENETICS

Kinispai M Dzhulamanov, Lyubov G Surundaeva, Nikolay P Gerasimov Variability of the antigenic structure of blood groups in the Ural population of the Hereford cattle

PRODUCTION TECHNOLOGY, QUALITY AND ECONOMY IN BEEF CATTLE BREEDING

Natalia V Gizatova, Ilnur F Vagapov, Dim M Fakhreev, Vyacheslav M Gabidulin The chemical composition of the rib eye of replacement heifers with the inclusion of haylage prepared with the preservative "Biotrof" in their diet

THEORY AND PRACTICE OF FEEDING

Vitaly A Ryazanov, Georgy I Levakhin, Galimzhan K Duskaev, Elena V Sheyda, Baer S Nurzhanov, Ivan S Miroshnikov Changes in the taxonomic profile of microorganisms in ruminal fluid of cattle against the background of fat-containing feed additives (in vitro study)

Victoria V Grechkina, Elena V Sheyda, Svyatoslav V Lebedev, Irina V Markova, Nikolay I Ryabov Nutrient digestibility and nitrogen balance in calves depending on the level of amino acid nutrition

Maria S Miroshnikova, Azamat E Arinzhanov Rumen microbiocenosis is a tool for the construction of artificial biosystems. Ruminal bioreactor (review)

Munir T Sabitov , Albina R Farkhutdinova, Fail N Gallyamov Peculiarities of exchange of some trace elements in heifers after feeding them with a complex mineral and vitamin feed additive

Oksana V Shoshina, Svyatoslav V Lebedev, Mikhail М Poberukhin The role of chromium in digestion in polygastric animals (review)

Shamil G Rakhmatullin, Bayer S Nurzhanov, Galimzhan K Duskaev, Olga V Kwan, Elena V Sheyda Influence of plant extracts on rumen metagenome

Victoria V Grechkina, Sergey А Medvedev, Svyatoslav V Lebedev, Elena V Sheyda, Irina V Markova The effect of chemical treatment on increasing the nutritional value of cocoa husks in "in vitro" model

FODDER PRODUCTION AND FODDERS

Alexander A Neverov, Antonina S Vereshchagina, Ruslan Sh Uraskulov The effect of humic preparations on the assimilation of mineral nutrition elements by barley crops

Alexander V Shuvaev pH influence on isolation of a protein fraction from herbal cell juice

GEOPONICS AND CROP PRODUCTION

Ishen N Besaliev, Alexander L Panfilov, Nelly S Reger Peculiarities of formation of morphological characters and the activity of enzymes in spring wheat seedlings the background of induced salinity stress

Alexander A Neverov Stimulating role of trace elements at the stage of germination of barley seeds

ARTICLES BASED ON MATERIALS OF THE ONLINE CONFERENCE "FUNDAMENTALS OF THE TECHNOLOGICAL DEVELOPMENT OF AGRICULTURE" (YEKATERINBURG-ORENBURG, JUNE 3, 2021)

Maria N Isakova, Marina V Ryaposova, Sergey V Mymrin, Ulyana V Sivkova Determination of urea in the milk of highly productive cows – a prognostic marker of mastitis development

Veronika V Kozhukhovskaya, Olga S Zaitseva, Nikolay A Martynov, Vladlena D Zubareva Lethal haplotypes in the population of the holstein cattle and their role in reproduction (review)

Baer S Nurzhanov, Galimzhan K Duskaev, Olga V Kwan, Elemes A Azhmuldinov Changes in metagenomic composition of rumen under the influence of herbal extracts

Fandus A Sagitdinov, Oksana I Leshonok, Inga V Tkachenko The features of the genetic structure formation of blood groups during animals metagenesis

Elena V Sheyda, Svyatoslav V Lebedev, Vitaly A Ryazanov, Victoria V Grechkina, Olga V Kwan, Shamil G Rakhmatullin Changes in the taxonomic composition of the intestinal microbiome of cattle raised on a protein diet