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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">zootech</journal-id><journal-title-group><journal-title xml:lang="ru">Зоотехническая наука Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Zootechnical Science of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0134-9732</issn><publisher><publisher-name>Научно-практический центр Национальной академии наук Беларуси по животноводству</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zootech-801</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>ГЕНЕТИКА, РАЗВЕДЕНИЕ, СЕЛЕКЦИЯ, БИОТЕХНОЛОГИЯ РАЗМНОЖЕНИЯ И ВОСПРОИЗВОДСТВО</subject></subj-group></article-categories><title-group><article-title>Эффективность использования соматотропного гормона в системе in vitro</article-title><trans-title-group xml:lang="en"><trans-title>Efficiency of the use of somatotropes hormon in in vitro system</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>Ганджа</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Gandzha</surname><given-names>A. I.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Леткевич</surname><given-names>Л. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Letkevich</surname><given-names>L. L.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Симоненко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Simonenko</surname><given-names>V. P.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Кириллова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirillova</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>РУП «Научно-практический центр Национальной академии наук Беларуси по животноводству»</institution></aff><aff xml:lang="en"><institution>RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry"</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2012</year></pub-date><pub-date pub-type="epub"><day>12</day><month>08</month><year>2022</year></pub-date><volume>47</volume><issue>1</issue><fpage>27</fpage><lpage>35</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ганджа А.И., Леткевич Л.Л., Симоненко В.П., Кириллова И.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Ганджа А.И., Леткевич Л.Л., Симоненко В.П., Кириллова И.В.</copyright-holder><copyright-holder xml:lang="en">Gandzha A.I., Letkevich L.L., Simonenko V.P., Kirillova I.V.</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://zootech.belal.by/jour/article/view/801">https://zootech.belal.by/jour/article/view/801</self-uri><abstract><p>В результате исследований разработан усовершенствованный состав питательных сред для созревания ооцитов и культивирования ранних зародышей с использованием соматотропного гормона, обеспечивающий повышение уровня созревания яйцеклеток до стадии метафаза II до 89,2-91,8 %, при этом уровень дробления составляет 55,4-57,6 %, а выход эмбрионов, пригодных к пересадке, - 25,7-27,1 %.</p></abstract><trans-abstract xml:lang="en"><p>As a result of research perfected culture media for oocyte maturation and cultivation of early embryos was developed with the use of somatotropes hormon, which provides increased levels of oocyte maturation at the stage of metaphase II to 89,2-91,8 %, while the level of fragmentation is 55,4-57,6 %, and the yield of embryos that are suitable for transplantation - 25,7-27,1 %.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ооцит-кумулюсные комплексы</kwd><kwd>эмбрионы</kwd><kwd>оплодотворение</kwd><kwd>созревание</kwd><kwd>соматотропин</kwd></kwd-group><kwd-group xml:lang="en"><kwd>oocyte-cumulus complexes</kwd><kwd>embryos</kwd><kwd>fertilization</kwd><kwd>maturation</kwd><kwd>somatotropes hormon</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hull, K. 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