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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">veterinary</journal-id><journal-title-group><journal-title xml:lang="ru">Ветеринария сегодня</journal-title><trans-title-group xml:lang="en"><trans-title>Veterinary Science Today</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304-196X</issn><issn pub-type="epub">2658-6959</issn><publisher><publisher-name>"Veinard"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29326/2304-196X-2020-4-35-277-282</article-id><article-id custom-type="elpub" pub-id-type="custom">veterinary-516</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>БОЛЕЗНИ ПТИЦ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AVIAN DISEASES</subject></subj-group></article-categories><title-group><article-title>Перспективы применения бетулина в бройлерном птицеводстве</article-title><trans-title-group xml:lang="en"><trans-title>Prospects of betulin application in broiler farming</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1188-2240</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Новикова</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Novikova</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новикова Мария Владимировна, кандидат биологических наук, старший научный сотрудник отдела промышленного птицеводства</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Maria V. Novikova, Candidate of Science (Biology), Senior Researcher, Department for Commercial Poultry Breeding</p><p>Ekaterinburg</p></bio><email xlink:type="simple">mvnovicova@mail.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/0000-0002-2917-0391</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедева</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedeva</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лебедева Ирина Анатольевна, доктор биологических наук, доцент, ведущий научный сотрудник отдела промышленного птицеводства</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Irina A. Lebedeva, Doctor of Science (Biology), Associate Professor, Leading Researcher, Department for Commercial Poultry Breeding</p><p>Ekaterinburg</p></bio><email xlink:type="simple">ialebedeva@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/0000-0001-9689-1781</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дроздова</surname><given-names>Л. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Drozdova</surname><given-names>L. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дроздова Людмила Ивановна, доктор ветеринарных наук, профессор, старший научный сотрудник</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Lyudmila I. Drozdova, Doctor of Science (Veterinary Medicine), Professor, Senior Researcher</p><p>Ekaterinburg</p></bio><email xlink:type="simple">drozdova43@mail.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/0000-0002-5578-9921</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бюлер</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Byuler</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бюлер Алексей Владимирович, кандидат химических наук, старший научный сотрудник отдела промышленного птицеводства</p><p>г. Екатеринбург</p></bio><bio xml:lang="en"><p>Alexey V. Byuler, Candidate of Science (Chemistry), Senior Researcher, Department for Commercial Poultry Breeding</p><p>Ekaterinburg</p></bio><email xlink:type="simple">lavrov_aleksei@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ГБНУ «Уральский федеральный аграрный научно-исследовательский центр Уральского отделения Российской академии наук» (ФГБНУ УрФАНИЦ УрО РАН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Scientific Institution “Ural Federal Agrarian Scientific Research Centre, Ural Branch of the Russian Academy of Sciences” (FSBSI UrFASRC UrB of RAS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>01</month><year>2021</year></pub-date><volume>0</volume><issue>4</issue><fpage>277</fpage><lpage>282</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Новикова М.В., Лебедева И.А., Дроздова Л.И., Бюлер А.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Новикова М.В., Лебедева И.А., Дроздова Л.И., Бюлер А.В.</copyright-holder><copyright-holder xml:lang="en">Novikova M.V., Lebedeva I.A., Drozdova L.I., Byuler A.V.</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://veterinary.arriah.ru/jour/article/view/516">https://veterinary.arriah.ru/jour/article/view/516</self-uri><abstract><p>Поиск и внедрение природоподобных технологий при выращивании цыплят-бройлеров и получении биологически полноценной и безопасной продукции птицеводства в условиях отказа от кормовых антибиотиков на сегодняшний день является актуальной задачей. При проведении профилактических и терапевтических ветеринарных мероприятий эффективным средством могут быть кормовые добавки на основе природных компонентов. В работе представлены результаты научного исследования по применению фитобиотика на основе бетулина в бройлерном птицеводстве. Испытания проведены в условиях технологического цикла на одной из птицефабрик Свердловской области на цыплятах-бройлерах кросса «Росс-308». Птице в опытной группе бетулин в сухом виде вводили в комбикорм с 21-го по 35-й день выращивания из расчета 2,5 мг/кг живой массы. Введение в рацион кормовой добавки на основе бетулина способствовало повышению прироста живой массы и выхода грудных мышц на 7,6% по отношению к контрольной группе. Установлено, что потребление цыплятами фитобиотика приводило к снижению отложения подкожного и абдоминального жира, повышало биологическую полноценность мяса за счет увеличения содержания зольных элементов, улучшало технологические свойства мяса за счет повышения влагоудерживающей способности мышечного волокна, а также за счет интенсивности формирования и созревания мышечного волокна. При проведении гистологических исследований образцов тканей поджелудочной железы цыплят-бройлеров выявлено увеличение площади островков Лангерганса, инсулин-продуцирующих клеточных комплексов. Под воздействием кормовой добавки на основе бетулина происходила активация работы поджелудочной железы. Полученные результаты свидетельствуют о том, что применение бетулина в бройлерном производстве является перспективным направлением.</p></abstract><trans-abstract xml:lang="en"><p>It is an urgent task today to seek and implement nature-like technologies in broiler production and obtain biologically complete and safe poultry products, thus refusing from antibiotic use in feed. Feed additives based on natural components can be an effective tool for implementation of preventive and therapeutic veterinary measures. The paper presents research study results of application of betulin-based phytobiotics in broiler farming. The tests were carried out on Ross-308 cross-breed broiler chickens within the production cycle at one of the poultry farms of the Sverdlovsk Oblast. Birds of the experimental group received compound feed supplemented with dry betulin at 2.5 mg/kg of live weight from day 21 to day 35 of growing. The introduction of betulin-based feed additive into the diet contributed to increase in live weight gain and 7.6% pectoralis muscle output as compared with the control group. It was established that the phytobiotic consumption resulted in reduced deposition of subcutaneous and abdominal fat, higher biological value of meat by increasing the ash content, improved technological properties of meat due to increasing water-holding capacity of muscle fiber and intensity of formation and maturation of muscle fiber. Histological studies of pancreatic tissue samples from broiler chickens showed increase in the mass of islets of Langerhans and insulin-producing cell complexes. The pancreas was activated due to effects of the betulin-based feed additive. The results obtained indicate that the use of betulin in broiler production is a promising trend.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цыплята-бройлеры</kwd><kwd>кормовая добавка</kwd><kwd>бетулин</kwd><kwd>фитобиотик</kwd><kwd>живая масса</kwd><kwd>мышечное волокно</kwd><kwd>жир</kwd><kwd>поджелудочная железа</kwd><kwd>островки Лангерганса</kwd></kwd-group><kwd-group xml:lang="en"><kwd>broiler chicken</kwd><kwd>feed additive</kwd><kwd>betulin</kwd><kwd>phytobiotics</kwd><kwd>live weight</kwd><kwd>muscle fibre</kwd><kwd>fat</kwd><kwd>pancreas</kwd><kwd>islets of Langerhans</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Минобрнауки России в рамках Программы фундаментальных научных исследований государственных академий наук на 2013–2020 гг. по направлению «Молекулярно-биологические и нанобиотехнологические методы создания биопре- паратов нового поколения, технологии и способы их применения с целью борьбы с особо опасными инфекционными, паразитарными и незаразными болезнями животных».</funding-statement><funding-statement xml:lang="en">This work was financially supported by the Ministry of Education and Science of the Russian Federation within the Program of Fundamental Scientific Research of State Academies of Sciences for 2013–2020: Molecular biological and nanobiotechnological methods for development of new-generation biologicals, techniques and application for control of highly dangerous infectious, parasitic and non-contagious animal diseases.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Бюлер А. 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