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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">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2024.3.301</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1474</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>БИОХИМИЯ, АНАТОМИЯ, ФИЗИОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOCHEMISTRY, ANATOMY, PHYSIOLOGY</subject></subj-group></article-categories><title-group><article-title>Сравнительный анализ биохимического состава сыворотки крови радужной форели при различных рационах кормления</article-title><trans-title-group xml:lang="en"><trans-title>Comparative analysis of the biochemical composition of rainbow trout blood serum under different feeding diets</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>Карпенко</surname><given-names>Л. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpenko</surname><given-names>L. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карпенко Л.Ю. – д-р биол. наук, проф., зав. каф. биохимии и физиологии; </p></bio><bio xml:lang="en"><p>Karpenko L.Yu. – D.Biol.sc. Professor</p></bio><email xlink:type="simple">l.u.karpenko@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>Сидорова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Sidorova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сидорова Н.А. – канд. биол. наук, доц., доп. каф. зоологии и экологии</p></bio><bio xml:lang="en"><p>Sidorova N.A. – Cand.biol.sc.</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>Полистовская</surname><given-names>П. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Polistovskaya</surname><given-names>P. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полистовская П.А. – канд. биол. наук, доц. каф. биохимии и физиологии</p></bio><bio xml:lang="en"><p>Polistovskaya P.A. – Cand.biol.sc.</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>Бахта</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bakhta</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бахта А.А. – канд. биол. наук, доц., доц. каф. биохимии и физиологии</p></bio><bio xml:lang="en"><p>Bakhta A.A. – Cand.biol.sc., Assoc.</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>Савушкин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Savushkin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савушкин А.И. – науч. сотр.</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>Никонов</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikonov</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никонов И.Н. – канд. биол. наук, ст. науч. сотр.</p></bio><bio xml:lang="en"><p>Nikonov I.N. – Cand.biol.sc. </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «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-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Петрозаводский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Petrozavodsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>301</fpage><lpage>312</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Карпенко Л.Ю., Сидорова Н.А., Полистовская П.А., Бахта А.А., Савушкин А.И., Никонов И.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Карпенко Л.Ю., Сидорова Н.А., Полистовская П.А., Бахта А.А., Савушкин А.И., Никонов И.Н.</copyright-holder><copyright-holder xml:lang="en">Karpenko L.Y., Sidorova N.A., Polistovskaya P.A., Bakhta A.A., Savushkin A.I., Nikonov I.N.</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://vetjournal.spbguvm.ru/jour/article/view/1474">https://vetjournal.spbguvm.ru/jour/article/view/1474</self-uri><abstract><p>Рациональное и эффективное кормление объектов аквакультуры относится к одной из основ производства продукции при высокопродуктивном рыбоводстве. Целью выполненного исследования стало сравнение состава продукционных комбикормов для объектов аквакультуры и изучение влияния комбикормов на биохимические показатели сыворотки крови радужной форели. Для выполнения цели исследования отобрано 10 групп радужной форели (Parasalmo mykiss (Walbaum, 1792) породы «Рофор»), выращенной в производственных условиях садковых хозяйств Карелии. В сыворотке крови исследуемых особей определяли аланинтрансферазу аспартатаминотрансферазу, щелочную фосфатазу, общий белок, альбумины, креатинин, мочевину, глюкозу, общий билирубин и общий холестерин. Полученный результат имеет важное практическое значение поскольку при избыточном поступлении углеводов у этих рыб развивается синдром перегрузки печени гликогеном из-за недостаточного продуцирования инсулина. Поэтому оптимальное содержание углеводов для них составляет 20–30 %, в том числе клетчатки 5–6 %. При этом лучше используются моносахара – глюкоза, фруктоза, манноза, несколько хуже – дисахариды и крахмал, а целлюлоза расщепляется только на 10–20 % от потребленной. Кроме того, необходимо учитывать, что форель как холоднолюбивая рыба не может использовать углеводы в том объеме, как теплолюбивые объекты аквакультуры поэтому в целях сбережения белка, который может использоваться на энергетические цели в их рационы необходимо дополнительно вводить жиры. Однако, в исследуемых комбикормах данный компонент не соответствовал нормативам ГОСТа. Результаты выполненных исследований могут быть использованы для оптимизации состава продукционных комбикормов для радужной форели и регистрации фоновых ихтиогематологических критериев качества содержания высокопродуктивных аквакультурных видов.</p></abstract><trans-abstract xml:lang="en"><p>Rational and efficient feeding of aquaculture objects is one of the foundations of production in highly productive fish farming. The aim of the study was to compare the composition of production compound feeds for aquaculture objects and to study the effect of compound feeds on the biochemical parameters of the blood serum of rainbow trout. To achieve the aim of the study, 10 groups of rainbow trout (Parasalmo mykiss (Walbaum, 1792) of the "Rofor" breed) grown in production conditions of cage farms in Karelia were selected. Alanine transferase, aspartate aminotransferase, alkaline phosphatase, total protein, albumins, creatinine, urea, glucose, total bilirubin and total cholesterol were determined in the blood serum of the studied individuals. The obtained result has an important practical significance since with excessive intake of carbohydrates these fish develop liver glycogen overload syndrome due to insufficient insulin production. Therefore, the optimal carbohydrate content for them is 20-30%, including 5-6% fiber. In this case, monosaccharides are used better - glucose, fructose, mannose, somewhat worse - disaccharides and starch, and cellulose is broken down only by 10-20% of the consumed. In addition, it is necessary to take into account that trout, as a cold-loving fish, cannot use carbohydrates in the same volume as heat-loving objects of aquaculture, therefore, in order to save protein, which can be used for energy purposes, it is necessary to additionally introduce fats into their diets. However, in the studied compound feeds this component did not meet the GOST standards. The results of the conducted research can be used to optimize the composition of production feed for rainbow trout and to register background ichthyohematological criteria for the quality of keeping highly productive aquaculture species.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аквакультура</kwd><kwd>биохимический состав сыворотки крови</kwd><kwd>продукционные комбикорма</kwd><kwd>радужная форель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aquaculture</kwd><kwd>biochemical composition of blood serum</kwd><kwd>food additives</kwd><kwd>rainbow trout</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">исследование выполнено при поддержке гранта российского научного фонда № 322-23 (Соглашение № 23-16-20026), проводимого совместно с Республикой Карелия с финансированием из Фонда венчурных инвестиций Республики Карелия (ФВИ РК).</funding-statement><funding-statement xml:lang="en">the research was supported by a grant from the Russian Science Foundation No. 322-23 (Agreement No. 23-16-20026), conducted jointly with the Republic of Karelia with financing from the Venture Investment Fund of the Republic of Karelia (FVI RK).</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">Aquaculture Europe, 2004. «Biotechnology for quality». 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