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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">wool</journal-id><journal-title-group><journal-title xml:lang="ru">Овцы, козы, шерстяное дело</journal-title><trans-title-group xml:lang="en"><trans-title>Sheep, goats, wool business</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2074-0840</issn><publisher><publisher-name>РГАУ-МСХА</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/2074-0840-2022-4-11-16</article-id><article-id custom-type="elpub" pub-id-type="custom">wool-205</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>РАЗВЕДЕНИЕ, СЕЛЕКЦИЯ, ГЕНЕТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BREEDING, SELECTION, GENETICS</subject></subj-group></article-categories><title-group><article-title>Генетические основы многоплодия овец</article-title><trans-title-group xml:lang="en"><trans-title>Genetic bases of sheep multiplicity</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>Ерохин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Erokhin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ерохин Александр Иванович, доктор с.-х. наук, профессор, научный консультант</p><p>127550, г. Москва, ул. Тимирязевская, 39</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>Карасев</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Karasev</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карасев Евгений Анатольевич, доктор с.-х. наук, профессор кафедры частной зоотехнии</p><p>127550, г. Москва, ул. Тимирязевская, 39</p></bio><email xlink:type="simple">ekarasev@rgau-msha.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>Юлдашбаев</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yuldashbayev</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлдашбаев Юсупжан Артыкович, доктор с.-х. наук, профессор, академик РАН, директор Института зоотехнии и биологии</p><p>127550, г. Москва, ул. Тимирязевская, 39</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>Ерохин</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Erokhin</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ерохин Сергей Александрович, доктор с.-х. наук, науч. редактор издательства</p><p>127550, г. Москва, ул. Тимирязевская, 39</p></bio><email xlink:type="simple">rosplem.sergey@gmail.com</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>Сычева</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sycheva</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сычева Ирина Николаевна, канд. с.-х. наук, доцент кафедры частной зоотехнии</p><p>127550, г. Москва, ул. Тимирязевская, 39</p><p>тел.: (926) 394-89-19</p></bio><email xlink:type="simple">in_sychewa@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный аграрный университет – Московская сельскохозяйственная академия имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Agricultural Academy named after K.A. Timiryazev</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>10</day><month>09</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>11</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ерохин А.И., Карасев Е.А., Юлдашбаев Ю.А., Ерохин С.А., Сычева И.Н., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ерохин А.И., Карасев Е.А., Юлдашбаев Ю.А., Ерохин С.А., Сычева И.Н.</copyright-holder><copyright-holder xml:lang="en">Erokhin A.I., Karasev E.A., Yuldashbayev Y.A., Erokhin S.A., Sycheva 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://wool.timacad.ru/jour/article/view/205">https://wool.timacad.ru/jour/article/view/205</self-uri><abstract><p>В статье рассмотрены некоторые аспекты повышения плодовитости овец путем использования в селекционном процессе некоторых генетических факторов, которые имеются в популяциях животных соответствующих пород.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses some aspects of increasing the fertility of sheep by using in the breeding process some genetic factors that are present in the populations of animals of the corresponding breeds.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>плодовитость</kwd><kwd>генетические факторы</kwd><kwd>тип рождения</kwd><kwd>одно- и разнополые двойни</kwd><kwd>куйбышевская и романовская породы овец</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fertility</kwd><kwd>genetic factors</kwd><kwd>type of birth</kwd><kwd>sameand opposite-sex twins</kwd><kwd>Kuibyshev and Romanov sheep breeds</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">Герасимов Л.М. 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