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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">biologyscience</journal-id><journal-title-group><journal-title xml:lang="ru">Тимирязевский биологический журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Timiryazev Biological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-4710</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева (ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26897/2949-4710-2024-2-3-92-97</article-id><article-id custom-type="elpub" pub-id-type="custom">biologyscience-191</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>4 - ЗООЛОГИЯ, ФИЗИОЛОГИЯ ЧЕЛОВЕКА И ЖИВОТНЫХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>4 - ZOOLOGY, HUMAN AND ANIMAL PHYSIOLOGY</subject></subj-group></article-categories><title-group><article-title>Возрастные изменения плодовитости самок батурской жабы, Bufotes baturae (Stöck, Schmid, Steinlein and Grosse, 1999), в лабораторных условиях</article-title><trans-title-group xml:lang="en"><trans-title>Age-related changes in fertility of female Batura toads, Bufotes baturae (Stöck, Schmid, Steinlein and Grosse, 1999), under laboratory conditions</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4853-9999</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Матушкина</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matushkina</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Андреевна Матушкина, кандидат биологических наук, доцент кафедры зоологии, доцент</p><p>127434, г. Москва, ул. Тимирязевская, 49</p></bio><bio xml:lang="en"><p>Ksenia A. Matushkina, CSc (Bio), Associate Professor at the Department of Zoology</p><p>49 Timiryazevskaya St., Moscow, 127434</p></bio><email xlink:type="simple">matushkinaka@gmail.com</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 – 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><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>22</day><month>01</month><year>2025</year></pub-date><volume>2</volume><issue>3</issue><fpage>92</fpage><lpage>97</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матушкина К.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Матушкина К.А.</copyright-holder><copyright-holder xml:lang="en">Matushkina K.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://www.bioscience-journal.com/jour/article/view/191">https://www.bioscience-journal.com/jour/article/view/191</self-uri><abstract><p>Работа посвящена изучению возрастных изменений репродуктивных показателей самок батурской жабы (Bufotes baturae), в лабораторных условиях. Материалом для исследований послужили кладки, полученные от жаб в возрасте от 2 до 7 лет. Наибольшую плодовитость мы наблюдали у 5-летних самок – 1830±298,6 яиц. Пиком репродуктивной активности является возраст от 3 до 6 лет, после чего плодовитость статистически значимо снижается. Другие репродуктивные показатели (диаметр яиц и ширина икряного шнура) возрастным изменениям не подвержены. Полученные результаты будут полезны при планировании лабораторных и природоохранных проектов по разведению батурской жабы. Опираясь на результаты исследований, рекомендуем формировать репродуктивное ядро из животных 3-6-летнего возраста.</p></abstract><trans-abstract xml:lang="en"><p>The work is devoted to the study of age-related changes in reproductive parameters of female Batura toads, Bufotes baturae, under laboratory conditions. The material for the study were clutches obtained from toads aged 2 to 7 years. The highest fertility (1830±298.6 eggs) was observed in 5-year-old females. The peak of reproductive activity is between 3 and 6 years of age, after which fertility decreases statistically significantly. Other reproductive parameters (egg diameter and spawn cord width) did not show any age-related changes. The results obtained will be useful in planning laboratory and conservation projects for breeding Batura toads. Based on the results of the studies, we recommend to form a reproductive nucleus from animals aged 3-6 years.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>бесхвостые амфибии</kwd><kwd>плодовитость</kwd><kwd>лабораторное разведение</kwd><kwd>возрастные изменения</kwd><kwd>плодовитость самок батурской жабы</kwd><kwd>Bufotes baturae</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Anura amphibians</kwd><kwd>fertility</kwd><kwd>laboratory breeding</kwd><kwd>age-related changes</kwd><kwd>fertility of female Batura toads</kwd><kwd>Bufotes baturae</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">Stöck M., Schmid M., Steinlein C., Grosse W.-R. Mosaicism in somatic triploid specimens of the Bufo viridis complex in the Karakoram with examination of calls, morphology and taxonomic conclusions. 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