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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2023-3-190-195</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-2922</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>СЕЛЬСКОХОЗЯЙСТВЕННАЯ ЭКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGROCULTURAL ECOLOGY</subject></subj-group></article-categories><title-group><article-title>Оценка полиморфизма генов GDF9, BMP15 и их взаимосвязь с репродуктивными функциями овец разных пород</article-title><trans-title-group xml:lang="en"><trans-title>Evaluation of the polymorphism of the GDF9 and BMP15 genes and their relationship with the reproductive functions of sheep of different breeds</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1966-7000</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гаджиев</surname><given-names>З. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Gadzhiev</surname><given-names>Z. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Закир К. Гаджиев, доктор биол. наук, главный научный сотрудник лаборатории разведения и селекции сельскохозяйственных животных (с сектором скотоводства)</p><p>356241, г. Михайловск, ул. Никонова, 49</p><p>Тел. +78652717033</p></bio><bio xml:lang="en"><p>Zakir K. Gadzhiev, Doctor of Biological Sciences, Chief Researcher, Laboratory of Breeding and Selection of Farm Animals (Livestock Sector)</p><p>49 Nikonova St, Mikhaylovsk, 356241</p><p>Tel. +78652717033</p></bio><email xlink:type="simple">gadzhiev70@yandex.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/0000-0002-3955-0902</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суржикова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Surzhikova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгения С. Суржикова</p><p>356241, г. Михайловск, ул. Никонова, 49</p></bio><bio xml:lang="en"><p>Evgeniya S. Surzhikova</p><p>49 Nikonova St, Mikhaylovsk, 356241</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6101-7293</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евлагина</surname><given-names>Д. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Evlagina</surname><given-names>D. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дарья Д. Евлагина</p><p>356241, г. Михайловск, ул. Никонова, 49</p></bio><bio xml:lang="en"><p>Darya D. Evlagina</p><p>49 Nikonova St, Mikhaylovsk, 356241</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3892-6621</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Суров</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Surov</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр И. Суров</p><p>356241, г. Михайловск, ул. Никонова, 49</p></bio><bio xml:lang="en"><p>Aleхandеr I. Surov</p><p>49 Nikonova St, Mikhaylovsk, 356241</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2113-5740</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шумаенко</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Shumaenko</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Н. Шумаенко</p><p>356241, г. Михайловск, ул. Никонова, 49</p></bio><bio xml:lang="en"><p>Svetlana N. Shumaenko</p><p>49 Nikonova St, Mikhaylovsk, 356241</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ФГБНУ «Северо‐Кавказский Федеральный научный аграрный центр»<country>Россия</country></aff><aff xml:lang="en">North Caucasus Federal Scientific Agrarian Center<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>02</day><month>11</month><year>2023</year></pub-date><volume>18</volume><issue>3</issue><elocation-id>190‐195</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Гаджиев З.К., Суржикова Е.С., Евлагина Д.Д., Суров А.И., Шумаенко С.Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Гаджиев З.К., Суржикова Е.С., Евлагина Д.Д., Суров А.И., Шумаенко С.Н.</copyright-holder><copyright-holder xml:lang="en">Gadzhiev Z.K., Surzhikova E.S., Evlagina D.D., Surov A.I., Shumaenko S.N.</copyright-holder><license 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://ecodag.elpub.ru/ugro/article/view/2922">https://ecodag.elpub.ru/ugro/article/view/2922</self-uri><abstract><p>Цель. Полиморфизм является результатом эволюционных процессов, он передаётся по наследству, связан с биоразнообразием, модифицируется естественным отбором и функционирует для сохранения различных форм популяции. Экономически выгодно находить гены, которые можно использовать в селекции таким образом, чтобы повышать плодовитость животных в разных природно- географических зонах, поскольку приспособительные способности организма устроены сложно. В связи с этим целью настоящего исследования послужило изучение генетического потенциала, овец разных пород, разводимого в различных эколого-географических регионах Северного Кавказа с горно-отгонным и пастбищно-стойловым условием ведения овцеводства.Материал и методы. Генотипирование овец разных пород, содержащихся в различных природно-климатических зонах Республики Дагестан и наиболее засушливом районе Ставропольского края в зоне рискованного земледелия, где климат резко континентальный, в локусах генов дифференциального фактора роста (GDF9) и костного морфогенетического белка (BMP15) проводилось методом ПЦР-ПДРФ (полиморфизм длин рестрикционных фрагментов) путём разрезания ДНК с помощью эндонуклеаз рестрикции и дальнейшего анализа размеров образующихся фрагментов ПЦР. Генетическая структура генов изучена методами генетико-статистического анализа полученных данных.Заключение. Впервые изучена генетическая структура популяций овец разных пород, разводимых в условиях предгорья Республики Дагестан и засушливом районе Ставропольского края. Полученная информация о роли степени генетической изменчивости овец разных пород даёт ответ о экологическом благополучии стад, определяется статус, характеризующий признаки многоплодия, что в дальнейшем позволит улучшить и значительно ускорить селекционную работу с поголовьем. Поскольку важной задачей дальнейшего повышения эффективности отрасли является воспроизводство стада с одновременным ростом продуктивности животных.</p></abstract><trans-abstract xml:lang="en"><p>Aim. Polymorphism is the result of evolutionary processes and is inherited, associated with biodiversity and modified by natural selection and functions to preserve various forms of population. It is economically advantageous to find genes that can be used in breeding in such a way as to increase the fertility of animals in different natural geographical zones, since the adaptive abilities of organisms are complicated. In this regard, the purpose of this study was to study the genetic potential of sheep of different breeds bred in various ecological and geographical regions of the North Caucasus with pasture-pasture and pasture-stall conditions of sheep breeding.Material and Methods. Genotyping was undertaken of sheep of different breeds contained in various natural and climatic zones of the Republic of Dagestan and the most arid region of Stavropol Territory in the zone of risky agriculture where the climate is sharply continental. Genotyping in the loci of the genes of differential growth factor (GDF9) and bone morphogenetic protein (BMP15) was carried out by PCR-PDRF (polymorphism of the lengths of restriction fragments) by cutting DNA using endonuclease restriction and further analysis of the size of the resulting PCR fragments. The genetic structure of genes has been studied by methods of genetic and statistical analysis of the data obtained.Conclusion. The genetic structure of sheep populations of different breeds bred in the foothills of the Republic of Dagestan and the arid region of Stavropol Territory was studied for the first time. Information obtained on the role of the degree of genetic variability of sheep of different breeds provides data which can contribute to the ecological well-being of herds and the status characterising the signs of multiple birth rates is also determined. This will further improve and significantly accelerate breeding work with livestock, since an important task of further increasing the efficiency of the industry is the reproduction of the herd together with a simultaneous increase in the productivity of animals.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Овцы</kwd><kwd>генетическая изменчивость</kwd><kwd>ген</kwd><kwd>популяция</kwd><kwd>условия разведения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Sheep</kwd><kwd>genetic variability</kwd><kwd>gene</kwd><kwd>population</kwd><kwd>breeding conditions</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">Селионова М.И., Чижова Л.Н., Михайленко А.К., Суржикова Е.С., Шарко Г.Н. Оценка адаптационной перестройки овец в разных условиях на основе биомаркеров // Вестник АПК Ставрополья. 2019. N 2(34). 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