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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2024-3-12</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-3229</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>БИОЛОГИЧЕСКИЕ РЕСУРСЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGICAL RESOURCES</subject></subj-group></article-categories><title-group><article-title>Эффективность добавления биологически активных веществ в корма осетровых рыб</article-title><trans-title-group xml:lang="en"><trans-title>Effectiveness of biologically active substances added to sturgeon feeds</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7129-6676</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пономарева</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ponomareva</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Н. Пономарева </p><p>Ростов‐на‐Дону</p></bio><bio xml:lang="en"><p>Elena N. Ponomareva </p><p>Rostov‐on‐Don</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/0000-0002-8503-6461</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалева</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovaleva</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анжелика В. Ковалева, кандидат биологических наук, старший научный сотрудник </p><p>344006, г. Ростов‐на‐Дону, пр. Чехова, 41. Тел. +79275679776  </p></bio><bio xml:lang="en"><p>Anzhelika V. Kovaleva, Candidate of Biological Sciences, Senior Researcher </p><p>41 Chekhov Ave., Rostov‐on‐Don, 344006. Tel. +79275679776 </p></bio><email xlink:type="simple">anhramova@yandex.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/0000-0002-3262-4198</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Григорьев</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Grigoriev</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вадим А. Григорьев</p><p>Ростов‐на‐Дону</p></bio><bio xml:lang="en"><p>Vadim A. Grigoriev</p><p>Rostov‐on‐Don</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7664-6308</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рабазанов</surname><given-names>Н. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Rabazanov</surname><given-names>N. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нухкади И. Рабазанов</p><p>Махачкала</p></bio><bio xml:lang="en"><p>Nuhkadi I. Rabazanov</p><p>Makhachkala</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный исследовательский центр Южный научный центр Российской академии наук</institution></aff><aff xml:lang="en"><institution>Federal Research Centre the Southern Scientific Centre, Russian Academy of Sciences, Rostov‐on‐Don</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральный исследовательский центр Южный научный центр Российской академии наук</institution></aff><aff xml:lang="en"><institution>Federal Research Centre the Southern Scientific Centre, Russian Academy of Sciences</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Прикаспийский институт биологических ресурсов Дагестанского Федерального Исследовательского центра Российской Академии Наук ; Дагестанский государственный университет</institution></aff><aff xml:lang="en"><institution>Caspian Institute of Biological Resources, Dagestan Federal Research Centre, Russian Academy of Sciences ; Dagestan State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>10</month><year>2024</year></pub-date><volume>19</volume><issue>3</issue><fpage>124</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пономарева Е.Н., Ковалева А.В., Григорьев В.А., Рабазанов Н.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Пономарева Е.Н., Ковалева А.В., Григорьев В.А., Рабазанов Н.И.</copyright-holder><copyright-holder xml:lang="en">Ponomareva E.N., Kovaleva A.V., Grigoriev V.A., Rabazanov 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://ecodag.elpub.ru/ugro/article/view/3229">https://ecodag.elpub.ru/ugro/article/view/3229</self-uri><abstract><p>Цель настоящих исследований заключается в изучении влияния витаминно‐минерального комплекса Е‐селен и пробиотического препарата Бацелл при кормлении промышленным комбикормом на рыбоводно‐биологические и физиолого‐биохимические показатели молоди гибрида стерляди и белуги при выращивании в садках.Срок проведения эксперимента составил 45 суток. В опытном варианте 1 кормление рыб осуществлялось базовым комбикормом с добавлением Е‐селена (300 мкг селена/кг корма), в опытном варианте 2 – базовым комбикормом с добавлением Е‐селена (300 мкг селена/кг корма) и препарата Бацелл (0,2 % от массы сухого корма). Контрольный вариант кормили базовым комбикормом.Абсолютный прирост в опытных вариантах был на 13,0–25,0 % выше, чем в контроле. Гематологические показатели различались и в некоторых случаях с высокой степенью достоверности. В частности, гемоглобин увеличился на 5,6–13 %, белок сыворотки крови – на 0,42–12,6 %, холестерин – на 9,8–16,3 % в опытных вариантах и на 70,5 % в контрольном, что обусловлено наличием высокой степени стресса у контрольных рыб. В то же время у рыб в опытах действия факторов стресса купируют антиоксиданты.Профилактические дозы микроэлементов, витаминов и пробиотиков, в первую очередь, направлены на снижение и стабилизацию перекисных процессов и поддержание хорошего физиологического состояния рыб, содержащихся в искусственных условиях.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of this research was to study the effect of the vitamin‐mineral complex E‐selenium and the probiotic preparation Bacell when added to industrial feed on the fish‐breeding‐biological and physiological‐ biochemical parameters of juvenile sterlet‐beluga hybrids when reared in cages.</p><p>The duration of the experiment was 45 days. In experimental option 1, the fish were fed with basic compound feed with the addition of E‐selenium (300 μg selenium/kg of feed), in experimental option 2, the fish were fed with basic compound feed with the addition of E‐selenium (300 μg selenium/kg of feed) and the Bacell preparation (0.2 % by weight of dry food). The control variant was fed with basic feed.</p><p>The absolute increase in the experimental variants was 13.0–25.0 % higher than in the control. Hematological parameters varied – in some cases with a high degree of significance. In particular, hemoglobin increased by 5.6–13 %, blood serum protein by 0.42–12.6 %, cholesterol by 9.8–16.3 % in the experimental variants and by 70.5 % in the control, due to the presence of a high degree of stress in control fish. At the same time, in fish experiments the effects of stress factors were suppressed by antioxidants. Preventive doses of microelements, vitamins and probiotics reduce and stabilise peroxide processes and contribute to the maintenance of good physiological condition of fish kept in artificial conditions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Гибрид стерляди и белуги</kwd><kwd>витамины</kwd><kwd>микроэлементы</kwd><kwd>пробиотик</kwd><kwd>корм</kwd><kwd>осетр</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Hybrid of sterlet and beluga</kwd><kwd>vitamins</kwd><kwd>microelements</kwd><kwd>probiotic</kwd><kwd>food</kwd><kwd>sturgeon</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Публикация подготовлена в рамках Государственного заказа ЮНЦ РАН по гранту № 122020100328‐1 с использованием уникальной научной установки «Модульная установка‐комплекс» и «Биоресурсной коллекции редких и исчезающих видов рыб № 1». 73602» ЮНЦ РАН.</funding-statement><funding-statement xml:lang="en">This publication was prepared within the framework of the State Order of SSC RAS, Grant No. 122020100328‐1, using the Unique Scientific Installation Modular Unit‐Complex and the Bioresource Collection of Rare and Endangered Fish Species No. 73602 of the SSC RAS.</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">Galeana‐López J.A., Lizárraga‐Velázquez C.E., Hernández C., Leyva‐López N., Heredia J.B. 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