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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-426</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>ВЛИЯНИЕ ГЕНА ЭСТРОГЕНОВОГО РЕЦЕПТОРА НА ПРОДУКТИВНОСТЬ СВИНОМАТОК БЕЛОРУССКОЙ МЯСНОЙ И КРУПНОЙ БЕЛОЙ ПОРОД</article-title><trans-title-group xml:lang="en"><trans-title>Effect of ESR-gene at Productiveness of Sows of Belarusian Meet and Big White Breeds</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>Шейко</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sheyko</surname><given-names>I. 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>Журина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhurina</surname><given-names>N. V.</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>Епишко</surname><given-names>Т. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Epishko</surname><given-names>T. 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>Курак</surname><given-names>О. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kurak</surname><given-names>O. 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>Ковальчук</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Koval’Tchuk</surname><given-names>M. 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>Епишко</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Epishko</surname><given-names>O. A.</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>2007</year></pub-date><pub-date pub-type="epub"><day>12</day><month>08</month><year>2022</year></pub-date><volume>42</volume><issue>0</issue><fpage>159</fpage><lpage>165</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шейко И.П., Журина Н.В., Епишко Т.И., Курак О.П., Ковальчук М.А., Епишко О.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Шейко И.П., Журина Н.В., Епишко Т.И., Курак О.П., Ковальчук М.А., Епишко О.А.</copyright-holder><copyright-holder xml:lang="en">Sheyko I.P., Zhurina N.V., Epishko T.I., Kurak O.P., Koval’Tchuk M.A., Epishko O.A.</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/426">https://zootech.belal.by/jour/article/view/426</self-uri><abstract><p>В результате проведенного исследования установлено достоверное положительное влияние генотипа ESRВВ на общее количество родившихся порося, в том числе живых, количество поросят в 21 день и к отъему. Выявлена тенденция увеличения массы гнезда при рождении, в 21 день и при отъеме, повышения сохранности поросят, снижения процента аварийных опоросов и процента мертворожденных поросят у свиноматок с генотипом ESRBB. При изучении плейотропного действия гена ESR не было установлено отрицательного эффекта данного гена на показатели собственной продуктивности животных.</p></abstract><trans-abstract xml:lang="en"><p>As a result of conducted researches it is determined that genotype ESRBB influences positively at newly-born piglets, including live-born, piglets on day 21 and piglets before weanling. Tendency of litter weight growth is determined at birth, on day 21 and by weanling period, as well as piglets safety growth, decrease in defective farrowings percentage and percentage of dead-born piglets by sows with ESRBB genotype. While studying the pleiotropic effect of ESR gene no negative influence on these productive traits was determined.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ДНК-маркер</kwd><kwd>ген эстрогенового рецептора (ESR)</kwd><kwd>полиморфизм</kwd><kwd>аллель</kwd><kwd>гомозигота</kwd><kwd>гетерозигота</kwd><kwd>репродуктивные признаки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>DNA-marker</kwd><kwd>ESR-gene</kwd><kwd>polymorphism</kwd><kwd>homozygote</kwd><kwd>heterozygote</kwd><kwd>reproductive traits</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">Бекенёв, В. А. Селекция свиней / В. А. Бекенёв ; РАСХН, Сиб. отд-ние. - Новосибирск, 1997. - 184 с.</mixed-citation><mixed-citation xml:lang="en">Бекенёв, В. А. Селекция свиней / В. А. 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