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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-800</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>Динамика количественного показателя лактоферрина человека в молоке трансгенных коз-продуцентов</article-title><trans-title-group xml:lang="en"><trans-title>Dynamics of quantitative indicators of human lactoferrin in milk of transgenic goats producers</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>Будевич</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Budevich</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>Кузнецова</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>V. N.</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>Заремба</surname><given-names>Н. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaremba</surname><given-names>N. 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>Шеметков</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shemetkov</surname><given-names>D. A.</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>Сахончик</surname><given-names>П. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Sahonchik</surname><given-names>P. E.</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>19</fpage><lpage>26</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Будевич А.И., Кузнецова В.Н., Заремба Н.Л., Шеметков Д.А., Сахончик П.Е., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Будевич А.И., Кузнецова В.Н., Заремба Н.Л., Шеметков Д.А., Сахончик П.Е.</copyright-holder><copyright-holder xml:lang="en">Budevich A.I., Kuznetsova V.N., Zaremba N.L., Shemetkov D.A., Sahonchik P.E.</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/800">https://zootech.belal.by/jour/article/view/800</self-uri><abstract><p>Установлено, что среднее содержание rhLF в молоке трансгенных животных составило 5,68 г/л. Экспрессия трансгена с продукцией целевого белка в молоко происходила у всех животных-продуцентов. Диапазон средних значений содержания рекомбинантного белка для различных индивидуумов на протяжении периода лактации колебался от 2,69 до 9,69 г/л., пороговые концентрации лактоферрина в выборке составили 18,9 и 0,2 г/л (максимальная и минимальная концентрация, соответственно).</p></abstract><trans-abstract xml:lang="en"><p>It is determined that the average contentof rhLF in milk of transgenic animals amounted to 5,68 g / l as general. Expression of the transgene with product with the target protein in the milk occurred in all animals-producers. The range of average content of recombinant protein for various individuals during the period of lactation ranged from 2,69 to 9,69 g / l., The threshold concentration of lactoferrin in the sample were 18.9 and 0,2 g / l (maximum and minimum concentration , respectively).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лактоферрин</kwd><kwd>трансгенные козы</kwd><kwd>молоко</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lactoferrin</kwd><kwd>transgenic goats</kwd><kwd>milk</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">Литература</mixed-citation><mixed-citation xml:lang="en">Литература</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Модификация белков молока сельскохозяйственных животных с использованием трансгенеза: биотехнологические возможности, проблемы и перспективы / Л. С. 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