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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">ivm</journal-id><journal-title-group><journal-title xml:lang="ru">Международный вестник ветеринарии</journal-title><trans-title-group xml:lang="en"><trans-title>International Journal of Veterinary Medicine</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-2419</issn><publisher><publisher-name>SpbGUVM Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52419/issn2072-2419.2025.4.500</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1917</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>АКУШЕРСТВО, ГИНЕКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OBSTETRICS, GYNECOLOGY</subject></subj-group></article-categories><title-group><article-title>Взаимосвязь полиморфизма генов FSHR и INHBA с качеством эякулята у собак различных пород</article-title><trans-title-group xml:lang="en"><trans-title>The relationship of polymorphism of the FSHR and INHBA genes with the quality of ejaculate in dogs of various 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/0009-0007-9411-9887</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богданова</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanova</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>лаб., лаборатории биологии развития</p></bio><bio xml:lang="en"><p>Junior Researcher, Laboratory of Developmental Biology</p></bio><email xlink:type="simple">Sonikbogdanova@mail.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/0000-0002-8496-5277</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никиткина</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikitkina</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. наук., ст. науч. сотр. лаборатории биологииразвития </p></bio><bio xml:lang="en"><p>PhD of Biological Sciences, Leading Researcher, Laboratory of Developmental Biology</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт генетики и разведения сельскохозяйственных животных – филиал Федерального государственного бюджетного научного учреждения «Федеральный  исследовательский центр животноводства – ВИЖ имени академика Л. К. Эрнста»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Research Institute of Farm Animal Genetics and Breeding — Branch of the L.K. Ernst Federal Research Center for Animal Husbandry</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2025</year></pub-date><volume>0</volume><issue>4</issue><fpage>500</fpage><lpage>507</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Богданова С.С., Никиткина Е.В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Богданова С.С., Никиткина Е.В.</copyright-holder><copyright-holder xml:lang="en">Bogdanova S.S., Nikitkina E.V.</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://vetjournal.spbguvm.ru/jour/article/view/1917">https://vetjournal.spbguvm.ru/jour/article/view/1917</self-uri><abstract><p>Качество спермы играет решающую роль в успешной реализации программ разведения, особенно там, где практикуется искусственное осеменение. Кобели с отличным качеством спермы имеют хорошую фертильность и могут давать более крупные пометы, так же их эякулят лучше переносит консервацию. Целью этого исследования является экспериментальное и аналитическое подтверждение гипотезы связи SNP экзонов генов-кандидатов FSHR и INHBA с качеством спермы кобелей. В ходе математического анализа полученных нами эксперементальных данных геномных ассоциаций (GWAS) удалось идентефицировать геномные области и индивидуальные вариации, связанные с производственными признаками у собак. При подборе праймеров для амплификации исследуемого 2 экзона гена FSHR и 9, 10 экзонов гена INHBA использовалась референсная последовательность генома домашней собаки (Canis familiaris) из международной базы генетических данных NCBI. Подбор праймеров осуществлялся с помощью приложения Primer-BLAST интегрированного в NCBI (<ext-link xlink:href="https://www.ncbi.nlm.nih.gov/" ext-link-type="uri">https://www.ncbi.nlm.nih.gov/</ext-link>). Праймеры сконструированы ООО «Синтол» по индивидуальному запросу. Амплификация проводилась на термоциклере С-1000 (BioRad). Секвенирование амплифицированных фрагментов осуществляли с использованием технологии нанопорового секвенирования на приборе MinION. Для приготовления библиотек ДНК применяли набор «Rapid Sequencing Kit. Определение вариантов производилось с применением программы longshot (v. 1.0.0). Результаты анализа демонстрируют статистически значимое влияние (p&lt;0,01) генов INHBA2 и FSHR, содержащих SNP-мутации в изученных локусах, на качество эякулята у собак. Эти находки вносят вклад в малоизученную область генетики домашних животных-компаньонов. Полученные данные открывают новые возможности для диагностики причин бесплодия кобелей. Выявленные закономерности задают четкое направление для дальнейшей работы: валидации на расширенной выборке и поиска новых значимых генетических маркеров.</p></abstract><trans-abstract xml:lang="en"><p>Sperm quality plays a crucial role in the successful implementation of breeding programs, especially in cases where artificial insemination is practiced. Males with excellent sperm quality have good fertility and can produce larger litters, and their ejaculate is more resistant to preservation. The aim of this study is to experimentally and analytically confirm the hypothesis of the association of SNP exons of candidate genes FSHR and INHBA with the sperm quality of male dogs. Through mathematical analysis of the genomic association data (GWAS) we obtained, it was possible to identify genomic regions and individual variations associated with production traits in dogs. When selecting primers for the amplification of the 2 exons of the FSHR gene and the 9 and 10 exons of the INHBA gene, the reference sequence of the domestic dog genome (Canis familiaris) was used from the NCBI international genetic database. The primer selection was carried out using the Primer-BLAST application integrated into NCBI (https://www.ncbi.nlm.nih.gov/). The primers were designed by Sintol LLC upon individual request. Amplification was performed on a C -1000 thermocycler (BioRad). Sequencing of amplified fragments was performed using nanopore sequencing technology on a MinION instrument. A Rapid Sequencing Kit was used to prepare DNA libraries. Variants were determined using the longshot program (v. 1.0.0). The results of the analysis demonstrate a statistically significant effect (p&lt;0.01) of the INHBA2 and FSHR genes, which contain SNP mutations in the studied loci, on the quality of ejaculate in dogs. These findings contribute to the little-studied field of companion animal genetics. The data obtained opens up new opportunities for diagnosing the causes of male infertility. The identified patterns set a clear direction for further work: validation on an expanded sample and the search for new significant genetic markers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>SNP</kwd><kwd>гены-кандидаты</kwd><kwd>исследования генома</kwd><kwd>сперма собак</kwd><kwd>полиморфизм генов</kwd><kwd>INHBA и FSHR</kwd></kwd-group><kwd-group xml:lang="en"><kwd>SNP</kwd><kwd>candidate genes</kwd><kwd>genome studies</kwd><kwd>dog sperm</kwd><kwd>gene polymorphism</kwd><kwd>INHBA</kwd><kwd>and FSHR</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства образования и науки, проект № 121052600354-7</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Suchocki T., Szyda J. 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