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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">10.32634/0869-8155-2022-363-10-57-62</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-2313</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>Изучение продуктивных качеств и уровня химических элементов в организме цыплятбройлеров кросса Арбор Айкресс при различной нутриентной обеспеченности рациона</article-title><trans-title-group xml:lang="en"><trans-title>Study of the productive qualities and the level of chemical elements in the body of broiler chickens of the Arbor Icress cross with different nutrient supply of the diet</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>Петруша</surname><given-names>Ю. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrusha</surname><given-names>Yu. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник лаборатории биологическихиспытаний и экспертиз, Федеральный научный центрбиологических систем и агротехнологий Российской академиинаук, 29, ул. 9 Января, Оренбург, 460000, Российская Федерациятел. 8-905-887-72–00,e-mail: shadow752@yandex.ru, https://doi.org/0000-0002-8283-2972</p></bio><bio xml:lang="en"><p>Junior Researcher at the Laboratory of Biological Testing and Expertise,</p><p>29, January 9, Orenburg, 460000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лебедев</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Lebedev</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, ведущий научный сотрудниклаборатории биологических испытаний и экспертиз, Федеральныйнаучный центр биологических систем и агротехнологий Российскойакадемии наук, 29, ул. 9 Января, Оренбург, 460000, РоссийскаяФедерация, тел.: 89123458738,e-mail: lsv74@list.ru,https://doi.org/0000-0001-9485-7010</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, Leading Researcher of the Laboratory of Biological Tests and Examinations,</p><p>29, January 9, Orenburg, 460000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шейда</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheida</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, научный сотрудник лабораториибиологических испытаний и экспертиз, Федеральныйнаучный центр биологических систем и агротехнологийРоссийской академии наук, 29, ул. 9 Января, Оренбург, 460000,Российская Федерация; старший научный сотрудник институтабиоэлементологии, Оренбургский государственный университет,13, пр. Победы, Оренбург, 460018, Российская Федерация,тел.: 8-922-862-64–02,e-mail: elena-shejjda@mail.ru,https://doi.org/0000-0002-2586-613X</p></bio><bio xml:lang="en"><p>Candidate of Biological Sciences, Researcher at the Laboratory of Biological Tests and Examinations, 29, January 9, Orenburg, 460000;</p><p>Senior Researcher at the Institute of Bioelementology, 13, Pobedy Ave.,, Orenburg, 460018</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><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 отделакормления сельскохозяйственных животных и технологии кормовим. С.Г. Леушина, Федеральный научный центр биологическихсистем и агротехнологий Российской академии наук, 29,ул. 9 Января, Оренбург, 460000, Российская Федерация,тел.: 8-922-815-72–25,e-mail: shahm2005@rambler.ru, https://doi.org//0000-0003-0143-9499</p></bio><bio xml:lang="en"><p>Candidate of Biological Sciences, Senior Researcher of the S.G. Leushin Department of Animal Feeding and Feed Technology,</p><p>29, January 9, Orenburg, 460000</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1159-0531</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гречкина</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Grechkina</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, И.о. заведующего лабораторией биологических испытаний и экспертиз, 29, ул. 9 Января, Оренбург, 460000;</p><p>доцент кафедры незаразных болезней животных, 18, ул. Челюскинцев, Оренбург 460000</p></bio><bio xml:lang="en"><p>Candidate of Biological Sciences, Acting Head of the Laboratory of Biological Tests and Examinations, 29, January 9, Orenburg, 460000;</p><p>Associate Professor of the Department of Non-Infectious Animal Diseases, 18,  Chelyuskintsev str., Orenburg, 460000</p></bio><email xlink:type="simple">Viktoria1985too@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2033-3956</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Завьялов</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zavyalov</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, ведущий научный сотрудник отдела технологии мясного скотоводства и производства говядины,</p><p>29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, Leading Researcher of the Department of Technology of Beef Cattle Breeding and Beef Production, </p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">oleg-zavyalov83@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/0000-0003-4525-2554</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фролов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Frolov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор биологических наук, И.о. заведующего отдела технологии мясного скотоводства и производства говядины,</p><p>29, ул. 9 Января, Оренбург, 460000</p></bio><bio xml:lang="en"><p>Doctor of Biological Sciences, Acting Head of the Department of Technology of Beef Cattle Breeding and Beef Production, </p><p>29, January 9, Orenburg, 460000</p></bio><email xlink:type="simple">forleh@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&#13;
академии наук<country>Россия</country></aff><aff xml:lang="en">Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Федеральный научный центр биологических систем и агротехнологий Российской&#13;
академии наук;&#13;
Оренбургский государственный университет<country>Россия</country></aff><aff xml:lang="en">Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences;&#13;
Orenburg State University<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru">Федеральный научный центр биологических систем и агротехнологий Российской&#13;
академии наук;&#13;
Оренбургский государственный аграрный университет<country>Россия</country></aff><aff xml:lang="en">Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences;&#13;
Orenburg State Agrarian University<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>57</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Петруша Ю.К., Лебедев С.В., Шейда Е.В., Рахматуллин Ш.Г., Гречкина В.В., Завьялов О.А., Фролов А.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Петруша Ю.К., Лебедев С.В., Шейда Е.В., Рахматуллин Ш.Г., Гречкина В.В., Завьялов О.А., Фролов А.Н.</copyright-holder><copyright-holder xml:lang="en">Petrusha Y.K., Lebedev S.V., Sheida E.V., Rakhmatullin S.G., Grechkina V.V., Zavyalov O.A., Frolov A.N.</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/2313">https://www.vetpress.ru/jour/article/view/2313</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Оценка энергетической ценности кормов и степени их усвояемости важна для промышленности, поскольку позволяет лучше учитывать влияние дополнительных компонентов в составах рационов и рассчитывать ценность этих добавок в различных составах рационов. Это особенно важно в рационах, содержащих повышенное количество неструктурных углеводов, потому что энергетическую эффективность переваривания или ферментации сахаров нельзя напрямую сравнивать с перевариванием и усвоением крахмала, жира или белка.</p></sec><sec><title>Методика</title><p>Методика. Объектом исследования являются цыплята-бройлеры кросса Арбор Айкресс. Контрольная группа содержалась на основном рационе, а в рацион опытных групп дополнительно вводили 10% казеина (протеинов) от сухого вещества рациона, 10% сахара (углеводов) от сухого вещества рациона и 10% подсолнечного масла (жиров) от сухого вещества рациона. Оценка содержания токсичных элементов в полученной золе осуществлялась с использованием масс-спектрометра «Elan 9000» и атомно-эмиссионного спектрометра «Optima 2000 V».</p></sec><sec><title>Результаты</title><p>Результаты. В финишный период выращивания в опытных группах отмечено повышение переваримости всех компонентов рациона относительно контрольных показателей. При сравнении с контролем уровни переваримости СВ и ОВ в I группе были выше на 6,8% и 7,1%, во II — на 8,5% и 8,4%, в III — на 5,7% и 5,6% соответственно. Коэффициент переваримости сырого протеина был выше в группе, получавшей казеин, относительно контроля данный показатель был выше на 7,3%. Переваримость СЖ была максимальной в III опытной группе и составила 90,23%, что выше чем в контроле, на 26,5% (р ≤ 0,05). Степень переваримости углеводов оказалась выше в группе, получавшей сахар, относительно контроля на 9,5%. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Estimating the energy content of feeds and their digestibility is important to the industry in order to better account for the effects of additives in diet formulations and to calculate the value of these additives in different diet formulations. This is especially important in diets that are high in non-structural carbohydrates because the energy efficiency of digesting or fermenting sugars cannot be directly compared to the digestion and absorption of starch, fat, or protein.</p></sec><sec><title>Methodology</title><p>Methodology. The object of the study are broiler chickens of the Arbor Aсres cross. The control group was kept on the main diet, and the diet of the experimental groups was supplemented with 10% casein (proteins) from the dry matter of the diet, 10% sugar (carbohydrates) from the dry matter of the diet and 10% sunflower oil (fats) from the dry matter of the diet. The content of toxic elements in the resulting ash was assessed using an "Elan 9000" mass spectrometer and an "Optima 2000 V" atomic emission spectrometer.</p></sec><sec><title>Results</title><p>Results. In the final period of cultivation in the experimental groups, an increase in the digestibility of all components of the diet relative to the control indicators was noted. When compared with the control, the level of digestibility of DM and OM in group I was higher by 6.8% and 7.1%, in II — by 8.5% and 8.4%, in III — by 5.7% and 5.6% respectively. The coefficient of digestibility of crude protein was higher in the group treated with casein, compared to the control, this indicator was higher by 7.3%. Digestibility of SF was maximum in the III experimental group and amounted to 90.23%, which is higher than in the control by 26.5% (p ≤ 0.05). The degree of digestibility of carbohydrates was higher in the group that received sugar, relative to the control by 9.5%. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>цыплята-бройлеры</kwd><kwd>белки</kwd><kwd>жиры</kwd><kwd>углеводы</kwd><kwd>казеин</kwd><kwd>сахароза</kwd><kwd>живая масса</kwd><kwd>прирост</kwd></kwd-group><kwd-group xml:lang="en"><kwd>broiler chickens</kwd><kwd>proteins</kwd><kwd>fats</kwd><kwd>carbohydrates</kwd><kwd>casein</kwd><kwd>sucrose</kwd><kwd>live weight</kwd><kwd>gain.</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Исследование выполнено при финансовой поддержке проекта РНФ №21-16-0009.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>The work was carried out within the framework of RNF №21-16-0009.</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">Kurantowicz N, Sawosz E, Halik G, Strojny B, Hotowy A, Grodzik M, Piast R, Pasanphan W, Chwalibog A. 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