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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">izvestiiatimacad</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Тимирязевской сельскохозяйственной академии</journal-title><trans-title-group xml:lang="en"><trans-title>IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-342X</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/0021-342X-2025-5-111-122</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-1029</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, БИОЛОГИЯ И ВЕТЕРИНАРНАЯ МЕДИЦИНА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>LIVESTOCK BREEDING, BIOLOGY AND VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Особенности транспортировки и созревания in vitro ооцит-кумулюсных комплексов крупного рогатого скота</article-title><trans-title-group xml:lang="en"><trans-title>Features of transportation and in vitro maturation of bovine oocyte-cumulus complexes</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1127-2792</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Макутина</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Makutina</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валерия Андреевна Макутина, канд. биол. наук, старший научный сотрудник </p><p>620142, г. Екатеринбург, ул. Белинского, 112а</p></bio><bio xml:lang="en"><p>Valery A. Makutina, CSc (Bio), Senior Research Associate </p><p>112a Belinskogo St., Ekaterinburg, 620142 </p></bio><email xlink:type="simple">makutina_v@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/0000-0003-1918-3030</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривоногова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivonogova</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анна Сергеевна Кривоногова, д-р биол. наук, доцент, ведущий научный сотрудник</p><p>620142, г. Екатеринбург, ул. Белинского, 112а</p></bio><bio xml:lang="en"><p>Anna S. Krivonogova, DSc (Bio), Associate Professor, Leading Research Associate</p><p>112a Belinskogo St., Ekaterinburg, 620142 </p></bio><email xlink:type="simple">tel-89826512934@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/0000-0001-8395-1247</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исаева</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Isaeva</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Альбина Геннадьевна Исаева, д-р биол. наук, доцент, ведущий научный сотрудник</p><p>620142, г. Екатеринбург, ул. Белинского, 112а</p></bio><bio xml:lang="en"><p>Albina G. Isaeva, DSc (Bio), Associate Professor, Leading Research Associate </p><p>112a Belinskogo St., Ekaterinburg, 620142 </p></bio><email xlink:type="simple">isaeva.05@bk.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/0000-0001-8349-3004</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Донник</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Donnik</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Михайловна Донник, д-р биол. наук, профессор, академик РАН, главный научный сотрудник</p><p>620142, г. Екатеринбург, ул. Белинского, 112а</p></bio><bio xml:lang="en"><p>Irina M. Donnik, DSc (Bio), Professor, Full Member of the Russian Academy of Sciences, Сhief Research Associate</p><p>112a Belinskogo St., Ekaterinburg, 620142 </p></bio><email xlink:type="simple">ktqrjp7@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский федеральный аграрный научно-исследовательский центр Уральского отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Federal Agrarian Research Center, Ural Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>06</day><month>11</month><year>2025</year></pub-date><volume>0</volume><issue>5</issue><fpage>111</fpage><lpage>122</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Макутина В.А., Кривоногова А.С., Исаева А.Г., Донник И.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Макутина В.А., Кривоногова А.С., Исаева А.Г., Донник И.М.</copyright-holder><copyright-holder xml:lang="en">Makutina V.A., Krivonogova A.S., Isaeva A.G., Donnik I.M.</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://izvestiia.timacad.ru/jour/article/view/1029">https://izvestiia.timacad.ru/jour/article/view/1029</self-uri><abstract><p>Исследования направлены на оценку и оптимизацию методов транспортировки яичников крупного рогатого скота, а также методов созревания ооцит-кумулюсных комплексов (ОКК) для последующего экстракорпорального оплодотворения (ЭКО) и культивирования эмбрионов до стадии бластоцисты in vitro. Апробированы температурные режимы транспортировки яичников при температуре +4°C и +37,5°C, а также 3 системы in vitro созревания – in vitro maturation (IVM) ооцитов крупного рогатого скота с использованием питательных сред промышленного производства для культивирования предимплантационных эмбрионов: BOIVM (IVF-Bioscience), Continuous Single Culture Complete (CSCM–C) with Gentamicin and HSA (Irvine Scientific) с добавлением 50 мкг/мл хорионического гонадотропина человека и 5 мкг/мл фолликулостимулирующего гормона, а также метод CAPA-IVM (capacitation IVM) с добавлением в среду CSCM–C1мМ N6,2ʹ-O-дибутириладенозин 3′,5′-цикломонофосфата и 0,5мМ 3-изобутил-1-метилксантина. По результатам сравнения режима транспортировки при температуре +4°C и +37,5°C были получены сопоставимые результаты. Уровень дозревания ооцитов методом CAPA-IVM на среде CSCM–C составил 52,4%, уровень формирования бластоцист – 14,8%, что сопоставимо с результатами контрольной группы на среде, разработанной для созревания, оплодотворения и культивирования эмбрионов крупного рогатого скота: BO-IVM/BO-IVF/BO-IVC (IVF-Bioscience) – 36,2 и 18,8% соответственно. Таким образом, метод CAPA-IVM, по результатам наших исследований, представляется перспективным для использования во вспомогательных репродуктивных технологиях крупного рогатого скота.</p></abstract><trans-abstract xml:lang="en"><p>This study aimed to evaluate and optimize methods for transporting bovine ovaries, as well as methods for in vitro maturation (IVM) of oocyte-cumulus complexes (OCCs) for subsequent in vitro fertilization (IVF) and embryo culture to the blastocyst stage in vitro. Ovary transportation temperature regimes of +4°C and +37.5°C were tested, along with three in vitro maturation systems for bovine oocytes utilizing commercially available media designed for preimplantation embryo culture: BO-IVM (IVF-Bioscience), Continuous Single Culture Complete (CSCM–C) with Gentamicin and HSA (Irvine Scientific) supplemented with 50 µg/mL human chorionic gonadotropin and 5 µg/mL follicle-stimulating hormone, and the CAPA-IVM (capacitation IVM) method with the addition of 1mM N6,2’-O-dibutyryl adenosine 3’,5’-cyclic monophosphate and 0.5mM 3-isobutyl-1-methylxanthine to CSCM–C medium. Comparable results were obtained between the transportation temperature regimes of +4°C and +37.5°C. The oocyte maturation rate using the CAPA-IVM method in CSCM–C medium was 52.4%, with a blastocyst formation rate of 14.8%. This is comparable to the results obtained in the control group utilizing media specifically formulated for bovine oocyte maturation, fertilization, and embryo culture – BO-IVM/BOIVF/BO-IVC (IVF-Bioscience) – which yielded 36.2% and 18.8%, respectively. Therefore, based on our results, the CAPA-IVM method appears promising for use in assisted reproductive technologies in cattle.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Эмбрионы</kwd><kwd>крупный рогатый скот</kwd><kwd>экстракорпоральное оплодотворение</kwd><kwd>in vitro maturation</kwd><kwd>созревание ооцитов in vitro</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Embryos</kwd><kwd>bovine</kwd><kwd>in vitro fertilization</kwd><kwd>in vitro maturation</kwd><kwd>capacitation IVM</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке гранта Российского научного фонда, проект № 19–76–10022 (https://rscf.ru/project/19–76–10022).</funding-statement><funding-statement xml:lang="en">This research was funded by the Russian Science Foundation, grant number 19–76–10022 (https://rscf.ru/project/19–76–10022).</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">Gilchrist R.B., Smitz J. 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