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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2022-362-9-69-73</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-2263</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЗООТЕХНИЯ И ВЕТЕРИНАРИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ZOOTECHNICS AND VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Особенности обмена веществ у коров при скармливании в рационах энергетических добавок</article-title><trans-title-group xml:lang="en"><trans-title>Features of metabolism in cows fed with diets with energy supplements</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Миколайчик</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikolaychik</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор сельскохозяйственных наук, профессор,</p><p>с, Лесниково, Кетовский р-н, Курганская обл., 641300</p></bio><bio xml:lang="en"><p>doctor of agricultural sciences, professor,</p><p>Lesnikovo village, Ketovsky district, Kurgan region, 641300</p></bio><email xlink:type="simple">min_ksaa@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, профессор,</p><p>с. Лесниково, Кетовский р-н, Курганская обл., 641300</p></bio><bio xml:lang="en"><p>doctor of biological sciences, professor,</p><p>Lesnikovo village, Ketovsky district, Kurgan region, 641300</p></bio><email xlink:type="simple">morozova-la72@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чумаков</surname><given-names>В. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Chumakov</surname><given-names>V. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор технических наук, доцент,</p><p>с. Лесниково, Кетовский р-н, Курганская обл., 641300</p></bio><bio xml:lang="en"><p>doctor of technical sciences, associate professor,</p><p>Lesnikovo village, Ketovsky district, Kurgan region, 641300</p></bio><email xlink:type="simple">vgchumakov@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат сельскохозяйственных наук, ст. преподаватель,</p><p>с. Лесниково, Кетовский р-н, Курганская обл., 641300</p></bio><bio xml:lang="en"><p>candidate of agricultural sciences, Senior Lecturer,</p><p>Lesnikovo village, Ketovsky district, Kurgan region, 641300</p></bio><email xlink:type="simple">morozikkz@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5478-9698</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сафронов</surname><given-names>С. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Safronov</surname><given-names>S. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор сельскохозяйственных наук, доцент,</p><p>Черниговская ул., 5, Санкт-Петербург, 196084</p></bio><bio xml:lang="en"><p>Doctor of Agricultural Sciences, Associate Professor,</p><p>5 Chernigovskaya str., St. Petersburg, 196084</p></bio><email xlink:type="simple">safronovsl@list.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0372-6109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кульмакова</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulmakova</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор сельскохозяйственных наук, доцент,</p><p>Тимирязевская улица, 49, Москва, 127550</p></bio><bio xml:lang="en"><p>Doctor of Agricultural Sciences, Associate Professor,</p><p>49 Timiryazevskaya str., Moscow, 127550</p></bio><email xlink:type="simple">kni11@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Курганская государственная сельскохозяйственная академия им. Т.С. Мальцева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kurgan State Agricultural Academy by T.S. Maltsev</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет ветеринарной медицины</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St.Petersburg State University of Veterinary Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Российский государственный аграрный университет — МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>12</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>9</issue><fpage>69</fpage><lpage>73</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Миколайчик И.Н., Морозова Л.А., Чумаков В.Г., Морозов В.А., Сафронов С.Л., Кульмакова Н.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Миколайчик И.Н., Морозова Л.А., Чумаков В.Г., Морозов В.А., Сафронов С.Л., Кульмакова Н.И.</copyright-holder><copyright-holder xml:lang="en">Mikolaychik I.N., Morozova L.A., Chumakov V.G., Morozov V.A., Safronov S.L., Kulmakova N.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.vetpress.ru/jour/article/view/2263">https://www.vetpress.ru/jour/article/view/2263</self-uri><abstract><p>Цель работы — изучить влияние энергетических добавок на переваримость и использование питательных веществ рационов высокопродуктивными коровами в период раздоя. Научно-хозяйственный опыт проводился в ЗАО «Глинки» Курганской области. Для его проведения были сформированы три группы коров черно-пестрой породы по принципу аналогов. Исследованиями установлено, что скармливание коровам энергетической добавки «Лакто С» повысило переваримость сухого вещества на 1,68%; органического вещества — на 1,53%; сырого протеина — на 2,25% (Р &lt; 0,05); сырой клетчатки — на 2,40%; сырого жира — на 3,47%; БЭВ — на 0,84%, а также изменило концентрацию водородных ионов на 0,16 единиц, увеличило количество ЛЖК на 15,51 ед. (Р &gt; 0,05), количество уксусной и пропионовой кислот — на 2,48 и 0,70%, а также на 3,59 и 4,11% снизило уровень общего азота и аммиака в рубцовой жидкости животных. Использование энергетической добавки «Лакто С» в период раздоя коров обеспечило более эффективное использование энергии корма на образование молока на 11,98% (12,47 МДж) (Р &lt; 0,05) по сравнению с контрольной группой. Экспериментально обоснована зоотехническая целесообразность применения энергетических добавок «Лакто С» и «Extima 100» в рационах высокопродуктивных коров с целью усиления процессов пищеварения и обмена веществ в их организме. </p></abstract><trans-abstract xml:lang="en"><p>The aim of this work is to study the effect that energy supplements provide on the digestibility and application of nutrients in high-yielding cows diets during their milking period. The scientific and economic experiment was run at CJSC “Glinki” in Kurgan region. For this experiment, three groups were formed, which consisted of Black-and-White cows, according to the principle of analogues. Studies showed that feeding cows with the energy supplement “Lakto S” increased the digestibility of dry matter by 1.68%; of organic matter — by 1.53%; of crude protein — by 2.25 (P &lt; 0.05)%; of crude fiber — by 2.40%; of crude fat — by 3.47%; nitrogen-free extractable substances — by 0.84%, and also changed the concentration of hydrogen ions by 0.16 units, increased VFA by 15.51units (P &gt; 0.05), changed the amount of acetic and propionic acids — by 2.48 and 0.70%, and reduced the level of total nitrogen and ammonia in the rumen of cows by 3.59 and 4.11% respectively. The energy supplement “Lacto S”, fed to the cows during their milking period, provided more efficient use of feed energy for milk production by 11.98% (12.47 MJ) (P &lt; 0.05) in comparison with the control group. The zootechnical feasibility of using the energy supplements “Lacto S” and “Extima 100” in the diets of high-yielding cows in order to enhance the processes of digestion and metabolism in their bodies has been experimentally substantiated. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>коровы</kwd><kwd>молоко</kwd><kwd>продуктивность</kwd><kwd>энергетическая добавка</kwd><kwd>черно-пестрая порода</kwd><kwd>молочное скотоводство</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cows</kwd><kwd>milk</kwd><kwd>productivity</kwd><kwd>energy supplement</kwd><kwd>Black-and-White breed</kwd><kwd>dairy cattle breeding</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Budnikova O.N., Gamko L.N. Energy feed additive in the diets of pregnant dry cows. Agrarian science. 2022; 355(1): 44–47. (In Russian)</mixed-citation><mixed-citation xml:lang="en">Budnikova O.N., Gamko L.N. 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(In Russian)</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
