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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-574</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>ИСПОЛЬЗОВАНИЕ ГЕНОВ RYR1 И H-FABP ДЛЯ ПОВЫШЕНИЯ МЯСНОЙ ПРОДУКТИВНОСТИ СВИНЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>Usage of RYR1 and H-FABP Genes for Increase of Pigs Meat Productivity</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>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>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-2"/></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-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>УО «Полесский государственный университет»</institution></aff><aff xml:lang="en"><institution>Polessky State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><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>2009</year></pub-date><pub-date pub-type="epub"><day>12</day><month>08</month><year>2022</year></pub-date><volume>44</volume><issue>1</issue><fpage>95</fpage><lpage>104</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Епишко Т.И., Журина Н.В., Ковальчук М.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Епишко Т.И., Журина Н.В., Ковальчук М.А.</copyright-holder><copyright-holder xml:lang="en">Epishko T.I., Zhurina N.V., Koval’Tchuk M.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/574">https://zootech.belal.by/jour/article/view/574</self-uri><abstract><p>.</p></abstract><trans-abstract xml:lang="en"><p>DNA-testing of young animals of Belarusian meat breed on fattening on RYR1 and H-FABP genes (allele systems H and D) was carried out and correlation of complex genotypes and allele variants of the given genes with meat productivity of animals was studied. It is determined that animals free from mutation in RYR1 gene differed by longer carcasses (98,9 cm, Р&lt;0,01) and thin backfat (25,2 mm). But at following optimal norms of feeing and management that decreases stress pressure, there was no negative effect of mutation at meat productivity values. Definite positive effect of H-FABPHH and H-FABPdd genotypes at several traits of meat productivity of pigs is determined. It promoted decrease of backfat thickness at 10,1-13,6 %, increase of eye loin area at 11,6-13,5 %, back one-third of carcass weigh - at 4,5-8,3 %. It is determined that animals of complex RYR1NNH-FABPHHDd and RYR1NnH-FABPHhDd genotypes surpassed young animals of RYR1NNH-FABPHHdd genotype on carcass length at 0,8 % (P&lt;0,05) and 1,0 % (P&lt;0,05) correspondingly. The best values of back one-third of carcass and eye loin area had animals of RYR1NNH-FABPHHdd genotype that surpassed animals of RYR1NNH-FABPHhDd genotype on these traits at 3,6 % (P &lt;0,01), RYR1NNH-FABPHHDd genotype - at 17,9% (Р&lt;0,001) correspondingly.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>свиньи</kwd><kwd>мясная продуктивность</kwd><kwd>ген RYR1 (ген рианодинового рецептора)</kwd><kwd>ген Н-FABP (ген</kwd><kwd>кодирующий белок</kwd><kwd>связывающие жирные кислоты)</kwd><kwd>метод ПЦР-ПДРФ</kwd><kwd>Н-FABP gene</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pigs</kwd><kwd>meat productivity</kwd><kwd>RYR1 gene</kwd><kwd>PCR-RFLP method</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">Арсиенко, Р. Ю. Полиморфизм гена белка, связывающего жирные кислоты (H-FABP), и его влияние на хозяйственно-полезные признаки свиней : автореф. дисс. … канд. биол. 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