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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-2024-4-128-139</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-680</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>Динамика генетических изменений быков-производителей по признакам молочной продуктивности их дочерей в палево-пестрой популяции крупного рогатого скота</article-title><trans-title-group xml:lang="en"><trans-title>Dynamics of genetic changes in sires according to their daughters’ milk productivity in the pale dairy cattle population</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6169-3953</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алтухова</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Altukhova</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алтухова Наталья Сергеевна, доцент, канд. с.-х. наук, кафедра разведения, генетики и биотехнологии животных</p><p>127550, г. Москва, ул. Тимирязевская, 49, тел.: (499) 976–34–34</p></bio><bio xml:lang="en"><p>Natalia S. Altukhova, CSc (Ag), Associate Professor, Associate Professor at the Department of Animal Breeding, Genetics and Biotechnology</p><p>49 Timiryazevskaya St., Moscow, 127550, phone: (499) 976–34–34</p></bio><email xlink:type="simple">n.altukhova@rgau-msha.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/0000-0002-6051-3655</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Янчуков</surname><given-names>И. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Yanchukov</surname><given-names>I. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Янчуков Иван Николаевич, д-р с.-х. наук, генеральный директор</p><p>142401, МО, г. Ногинск, ул. Соединительная, 7, тел.: (496) 514–35–80</p></bio><bio xml:lang="en"><p>Ivan N. Yanchukov, DSc (Ag), General Director</p><p>7 Soedinitelnaya St., Noginsk, Moscow region, 142401, phone: (496) 514–35–80</p></bio><email xlink:type="simple">mos-bulls@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6770-1990</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Савинов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Savinov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савинов Антон Васильевич, аспирант, кафедра разведения, генетикиbи биотехнологии животных</p><p>127550, г. Москва, ул. Тимирязевская, 49, тел.: (499) 976–34–34</p></bio><bio xml:lang="en"><p>Anton V. Savinov, postgraduate student, the Department of Animal Breeding, Genetics and Biotechnology</p><p>49 Timiryazevskaya St., Moscow, 127550, phone: (499) 976–34–34</p></bio><email xlink:type="simple">a9296334115@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6843-4556</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иванов</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ivanov</surname><given-names>Yu. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Иванов Юрий Анатольевич, д-р с.-х. наук, профессор, академик РАН, главный научный сотрудник</p><p>г. Москва, 1-й Институтский проезд, 5, тел.: (499) 171–43–49</p></bio><bio xml:lang="en"><p>Yuriy A. Ivanov, DSc (Ag), Professor, Member of the RAS, Chief Research Associate</p><p>5 Perviy Institutskiy Proezd, Moscow, 109428, phone: (499) 171–43–49</p></bio><email xlink:type="simple">vim@vim.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный аграрный университет –МСХА имени К.А. Тимирязева</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Agrarian University – Moscow Timiryazev Agricultural Academy</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>АО «ˮМосковскоеˮ по племенной работе»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “Moscow” breeding”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБНУ Федеральный научный агроинженерный центр ВИМ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Scientific Agroengineering Center VIM</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>21</day><month>06</month><year>2024</year></pub-date><volume>0</volume><issue>4</issue><fpage>128</fpage><lpage>139</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алтухова Н.С., Янчуков И.Н., Савинов А.В., Иванов Ю.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Алтухова Н.С., Янчуков И.Н., Савинов А.В., Иванов Ю.А.</copyright-holder><copyright-holder xml:lang="en">Altukhova N.S., Yanchukov I.N., Savinov A.V., Ivanov Y.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://izvestiia.timacad.ru/jour/article/view/680">https://izvestiia.timacad.ru/jour/article/view/680</self-uri><abstract><p>Исследования посвящены оценке изменений генетического статуса популяции палево-пестрого скота и составляющих ее пород (симментальская и красно-пестрая) по основным признакам молочной продуктивности за период с 1994 по 2017 гг. При совершенствовании указанных массивов животных за счет быкопроизводящей группы выявлена весьма умеренная, но положительная тенденция увеличения генетического потенциала по исследуемым признакам за весь период анализа. Среднегодовой сдвиг селекционных признаков в анализируемых массивах маточного поголовья варьировал: по удою – от –1,60 до +18,64 кг; по содержанию жира и белка в молоке – от –0,001 до +0,004%; по количеству молочного жира и белка – в пределах –0,02…+0,82; по селекционному индексу – +0,10…+0,36 экономических единиц. Этот факт свидетельствует о неоптимальной системе оценки племенной ценности животных в популяции, формирования селекционных групп быков-производителей и их использования в массовой репродукции племенного поголовья в популяции.</p></abstract><trans-abstract xml:lang="en"><p>The studies are dedicated to the evaluation of changes in the genetic status of the pale dairy cattle population and its constituent breeds (Simmental and Red-and-White breed) on the main traits of milk productivity for the period from 1994 to 2017. Throughout the analysis period, a very moderate but positive trend was observed in the improvement of the genetic potential of these animal groups through the use of sires. The average annual genetic gain of the selected traits in the analysed breeding females varied from –1.06 to +18.64 kg for milk yield, from –0.001 to +0.004% for milk fat and protein content, from –0.02 to +0.82 kg for milk fat and milk protein; the selection index was from +0.10 to +0.36 economic units. This fact indicates a suboptimal system for evaluating the breeding value of animals in the population, for the formation of selection groups of sires and their use in the mass reproduction of breeding stock in the population.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>генетический тренд</kwd><kwd>палево-пестрая популяция</kwd><kwd>оценка племенной ценности</kwd><kwd>признаки молочной продуктивности</kwd><kwd>селекционный индекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>genetic trend</kwd><kwd>pale dairy cattle population</kwd><kwd>breeding value evaluation</kwd><kwd>milk productivity traits</kwd><kwd>selection index</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">Harris D.L., Stewart T.S., Arboleda C.R. Animal Breeding Programmes. A Systematic Approach to their Design. USDA-ARS. 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