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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">biob</journal-id><journal-title-group><journal-title xml:lang="ru">Биобезопасность и Биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Biosafety and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2707-7241</issn><issn pub-type="epub">2957-5702</issn><publisher><publisher-name>Научно-исследовательский институт проблем биологической безопасности</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.58318/2957-5702-2023-13-43-50</article-id><article-id custom-type="elpub" pub-id-type="custom">biob-44</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>БИОЛОГИЧЕСКАЯ БЕЗОПАСНОСТЬ И БИОЗАЩИТА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGICAL SAFETY AND BIOSECURITY</subject></subj-group></article-categories><title-group><article-title>ПРОИЗВОДСТВЕННЫЕ ИСПЫТАНИЯ ВАКЦИНЫ ИЗ АТТЕНУИРОВАННОГО ШТАММА ESCHERICHIA COLI АС – 16</article-title><trans-title-group xml:lang="en"><trans-title>PRODUCTION TRIALS OF A VACCINE MADE FROM THE ATTENUATED ESCHERICHIA COLI AС-16 STRAIN</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1998-8798</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Абдыкалык</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Abdykalyk</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Абдыкалык Акбопе Абдыгалымовна, магистр ветеринарных наук</p></bio><email xlink:type="simple">Akbopeabdykalyk@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/0000-0003-3603-490X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бияшев</surname><given-names>Б. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Biyashev</surname><given-names>B. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бияшев Биржан Кадырович, доктор ветеринарных наук, профессор</p></bio><email xlink:type="simple">biyashev@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/0000-0002-7998-0632</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жолдасбекова</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Zholdasbekova</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жолдасбекова Асель Еркинбекова, доктор PhD философии, старший преподаватель</p></bio><email xlink:type="simple">asel.zholdasbekova@kaznaru.edu.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2439-9792</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жылқайдар</surname><given-names>А. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhylkaidar</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жылкайдар Арман Жетписбаевич, магистр ветеринарных наук, ассистент</p></bio><email xlink:type="simple">arman.zhylkaydar@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">НАО «Казахский национальный аграрный исследовательский университет»<country>Казахстан</country></aff><aff xml:lang="en">NAO «Kazakh National Agrarian Research University»<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>03</day><month>03</month><year>2023</year></pub-date><volume>0</volume><issue>13</issue><fpage>43</fpage><lpage>49</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Абдыкалык А.А., Бияшев Б.К., Жолдасбекова А.Е., Жылқайдар А.Ж., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Абдыкалык А.А., Бияшев Б.К., Жолдасбекова А.Е., Жылқайдар А.Ж.</copyright-holder><copyright-holder xml:lang="en">Abdykalyk A.A., Biyashev B.K., Zholdasbekova A.E., Zhylkaidar 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://journal.biosafety.kz/jour/article/view/44">https://journal.biosafety.kz/jour/article/view/44</self-uri><abstract><p>Отечная болезнь поросят – это тяжелая кишечная инфекция, вызываемая Escherichia coli, представляющая опасность для животных и птиц, которые выступают в качестве резервуаров возбудителя. Считается, что источником возбудителя у поросят являются больные и перезараженные животные или латентные бактерионосители, которые образуют непрерывную эпизоотическую цепь. Поэтому живые вакцины считаются перспективными для профилактики болезни. Цель данной статьи – представить производственные испытания аттенуированной вакцины из штамма E. coli AC-16, которая в настоящее время разрабатывается как потенциальное решение для профилактики эшерихиоза. Живая аттенуированная вакцина продемонстрировала стабильную остаточную вирулентность и контроль активности при испытании на лабораторных животных (белых мышах). Всего с 2020 по 2022 год было вакцинировано 1364 поросят и 262 коровы. Поросята от вакцинированных свиней родились жизнеспособными и не заболели эшерихиозом. За этот период не было зарегистрировано случаев заболевания или гибели телят от эшерихиоза.</p></abstract><trans-abstract xml:lang="en"><p>Swollen piglet disease is a significant intestinal infection caused by Escherichia coli, which poses a danger to animals and birds that act as reservoirs for the pathogen. The source of the pathogen in piglets is believed to be sick and over-infected animals or latent bacterial carriers, which form the continuous epizootic chain. Therefore, live vaccines are considered promising for avoiding of swollen piglet disease. This article aims to present the production trials of an attenuated vaccine from the E. coli AC-16 strain, which is currently being developed as a potential solution for preventing escherichiosis. The live attenuated vaccine demonstrated stable residual virulence and activity control when tested on laboratory animals (white mice). In total, 1364 piglets and 262 cows were vaccinated from 2020 to 2022. Piglets from the vaccinated swine were born viable and did not fall ill with escherichiosis. During this period, no cases of illness or death of calves from escherichiosis were reported.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аттенуированный штамм</kwd><kwd>Escherichia coli</kwd><kwd>КОЕ</kwd><kwd>эшерихиоз</kwd><kwd>вакцина</kwd></kwd-group><kwd-group xml:lang="en"><kwd>attenuated strain</kwd><kwd>Escherichia coli</kwd><kwd>CFU</kwd><kwd>escherichiosis</kwd><kwd>vaccine</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">James F.Z. Pathologic Basis of Veterinary Disease/ // Elsevier. – 2017. ISBN – P. 48-56. 978-0-323-35775-3</mixed-citation><mixed-citation xml:lang="en">James F.Z. Pathologic Basis of Veterinary Disease/ // Elsevier. – 2017. 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