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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">10.32634/0869-8155-2022-363-10-53-56</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-2312</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>Изменение содержания химических элементов в тканях тела бройлеров при скармливании пробиотика Bacillus cereus и кумарина</article-title><trans-title-group xml:lang="en"><trans-title>Changes in the concentration of chemical elements in the body tissues of broilers when fed with the probiotic Bacillus cereus and coumarin</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3240-6112</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нуржанов</surname><given-names>Б. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nurzhanov</surname><given-names>B. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор сельскохозяйственных наук, старший научный сотрудник,</p><p>29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>Doctor of Agricultural Sciences, Senior Researcher,</p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">baer.nurzhanov@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/0000-0003-0143-9499</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рахматуллин</surname><given-names>Ш. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Rakhmatullin</surname><given-names>Sh. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, старший научный сотрудник,</p><p>29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>PhD, senior researcher, </p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">shahm2005@rambler.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/0000-0002-9015-8367</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дускаев</surname><given-names>Г. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Duskaev</surname><given-names>G. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, ведущий научный сотрудник,</p><p> 29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, Leading Researcher,</p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">gduskaev@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>Левахин</surname><given-names>Г. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Levakhin</surname><given-names>G. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор сельскохозяйственных наук, профессор, главный научный сотрудник,</p><p>29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>Doctor of Agricultural Sciences, Professor, Chief Researcher,</p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">fncbst@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный научный центр биологических систем и агротехнологий Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>15</day><month>12</month><year>2022</year></pub-date><volume>0</volume><issue>10</issue><fpage>53</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нуржанов Б.С., Рахматуллин Ш.Г., Дускаев Г.К., Левахин Г.И., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Нуржанов Б.С., Рахматуллин Ш.Г., Дускаев Г.К., Левахин Г.И.</copyright-holder><copyright-holder xml:lang="en">Nurzhanov B.S., Rakhmatullin S.G., Duskaev G.K., Levakhin G.I.</copyright-holder><license 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/2312">https://www.vetpress.ru/jour/article/view/2312</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. В связи с отменой кормления животных низкими дозами антибиотиков, ведется поиск альтернативных веществ, среди которых перспективными могут стать фитобиотики и пробиотики. Использование кормовых добавок на растительной основе в питании сельскохозяйственных животных и птицы способствует улучшению здоровья, а, следовательно, и улучшению продуктивных качеств.</p></sec><sec><title>Цель исследования</title><p>Цель исследования: изучить влияние пробиотика (Вacillus cereus IP 5832) и кумарина как по отдельности, так и совместно на содержание химических элементов в тканях тела цыплят-бройлеров.</p></sec><sec><title>Методы</title><p>Методы. Объектом исследования являлись 7-дневные цыплята-бройлеры кросса Арбор Айкрес. В своих исследованиях мы использовали: пробиотик на основе штамма Вacillus cereus и кумарин. Схема эксперимента: контрольная группа (К) — основной рацион (ОР), I опытная — ОР + Вacillus cereus (доза 12,6˟ 103 микробных тел/кг корма/сутки), II опытная — ОР + кумарин (доза 2 мг/кг корма/сут.), III опытная — ОР + Вacillus cereus + кумарин. Период эксперимента — 35 дней. Анализ элементного состава тканей определялся методом масс-спектрометрии с индуктивно связанной плазмой и атомно-эмиссионной спектрометрии с индуктивно связанной плазмой на квадрупольном масс-спектрометре «Nexion 300D» и атомно-эмиссионном спектрометре «Optima 2000 DV».</p></sec><sec><title>Результаты</title><p>Результаты. В результате проведенных экспериментов по скармливанию бройлерам пробиотика на основе штамма Вacillus cereus и кумарина установлено их положительное влияние на накопление в печени и грудных мышцах эссенциальных и условно-эссенциальных микроэлементов и снижение присутствия ряда токсичных элементов. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Due to the cancellation of feeding animals with low doses of antibiotics, alternative substances are being searched, phytobiotics and probiotics may become promising. The use of plant-based feed additives in the nutrition of farm animals and poultry contributes to improving health, and, consequently, improving productive qualities.</p></sec><sec><title>The purpose of the study</title><p>The purpose of the study: to study the effect of probiotic (Bacillus cereus IP 5832) and coumarin both separately and together on the concentration of chemical elements in the body tissues of broiler chickens.</p></sec><sec><title>Methods</title><p>Methods. The object of the study was 7-day-old broiler chickens of the Arbor Acres cross. In our research we used: probiotic based on Bacillus cereus strain and coumarin. Experimental scheme: control group (C) — the main diet (MD), experimental group I — MD + Bacillus cereus (dose of 12.6˟103 microbial bodies/kg of feed/ day), experimental group II — MD + coumarin (dose of 2 mg/kg of feed/day), experimental group III — MD + Bacillus cereus + coumarin. The experiment period is 35 days. Analysis of the elemental composition of tissues was determined by inductively coupled plasma mass spectrometry and inductively coupled plasma atomic emission spectrometry on a "Nexion 300D" quadrupole mass spectrometer and an "Optima 2000 DV" atomic emission spectrometer.</p></sec><sec><title>Results</title><p>Results. As a result of experiments conducted on feeding probiotics to broilers based on Bacillus cereus and coumarin strains, their positive effect on the accumulation of essential and conditionally essential trace elements in the liver and pectoral muscles and a decrease in the presence of a number of toxic elements was established. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>цыплята-бройлеры</kwd><kwd>пробиотик Вacillus cereus</kwd><kwd>кумарин</kwd><kwd>печень</kwd><kwd>грудные мышцы</kwd><kwd>химические элементы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>broiler chickens</kwd><kwd>probiotic Bacillus cereus</kwd><kwd>coumarin</kwd><kwd>liver</kwd><kwd>pectoral muscles</kwd><kwd>chemical elements.</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследования выполнены в рамках темы НИР №0761-2019-0005.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The research was carried out within the framework of the research work 0761- 2019-0005.</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">Hashemi S.R., Davoodi H. 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