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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">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2024-3(15)-25</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-1249</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>ПИЩЕВАЯ ИНЖЕНЕРИЯ И БИОТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOOD ENGINEERING AND BIOTECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ДЕЗИНФИЦИРУЮЩИХ СРЕДСТВ НА ОБЩУЮ БАКТЕРИАЛЬНУЮ ОБСЕМЕНЕННОСТЬ СКОРЛУПЫ УТИНЫХ ЯИЦ</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF DISINFECTANTS ON THE TOTAL BACTERIAL CONTAMINATION OF DUCK EGGSHELLS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9483-5732</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Садуахасова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Saduakhasova</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сауле Абдуахаповна Садуахасова – кандидат биологических наук,</p><p>010011, г. Астана, проспект Женис, 62</p></bio><bio xml:lang="en"><p>Saule Saduakhasova – Candidate of Biological Sciences,</p><p>010011, Astana city Zhenis avenue, 62</p></bio><email xlink:type="simple">saule_aru@list.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/0000-0001-5472-036X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шайменова</surname><given-names>Б. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaimenova</surname><given-names>B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бахыт Сайлауовна Шайменова – магистр технических наук,</p><p>010011, г. Астана, проспект Женис, 62</p></bio><bio xml:lang="en"><p>Bakhyt Shaimenova – Master of Technical Sciences,</p><p>010011, Astana city Zhenis avenue, 62</p></bio><email xlink:type="simple">bshaymenova@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/0000-0001-5684-0621</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мурат</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Murat</surname><given-names>L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Линара Азаматқызы Мурат – магистр технических наук, </p><p>010011, г. Астана, проспект Женис, 62</p></bio><bio xml:lang="en"><p>Linara Murat – Master of Technical Sciences, </p><p>010011, Astana city Zhenis avenue, 62</p></bio><email xlink:type="simple">linaraazamatkyzy@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/0000-0001-9534-2721</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Каманова</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamanova</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Георгиевна Каманова – магистр технических наук,</p><p>010011, г. Астана, проспект Женис, 62</p></bio><bio xml:lang="en"><p>Svetlana Kamanova – Master of Technical Sciences,</p><p>010011, Astana city Zhenis avenue, 62</p></bio><email xlink:type="simple">kamanovasveta@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/0000-0002-6043-4658</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Оспанкулова</surname><given-names>Г. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Ospankulova</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гульназым Хамитовна Оспанкулова – кандидат биологических наук, </p><p>010011, г. Астана, проспект Женис, 62</p></bio><bio xml:lang="en"><p>Gulnazym Ospankulova – Candidate of Biological Sciences,</p><p>010011, Astana city Zhenis avenue, 62</p></bio><email xlink:type="simple">bulashevag@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Казахский агротехнический исследовательский университет им. С.Сейфуллина<country>Казахстан</country></aff><aff xml:lang="en">S. Seifullin Kazakh Agrotechnical Research University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>09</month><year>2024</year></pub-date><volume>0</volume><issue>3(15)</issue><fpage>182</fpage><lpage>190</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Садуахасова С.А., Шайменова Б.С., Мурат Л.А., Каманова С.Г., Оспанкулова Г.Х., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Садуахасова С.А., Шайменова Б.С., Мурат Л.А., Каманова С.Г., Оспанкулова Г.Х.</copyright-holder><copyright-holder xml:lang="en">Saduakhasova S., Shaimenova B., Murat L., Kamanova S., Ospankulova G.</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://tech.vestnik.shakarim.kz/jour/article/view/1249">https://tech.vestnik.shakarim.kz/jour/article/view/1249</self-uri><abstract><p>Роль общего количества жизнеспособных микроорганизмов на яичной скорлупе представляет значительный интерес, поскольку она связана с безопасностью яиц и сроком годности продукта.</p><p>Целью настоящего исследования было оценить влияние различных дезинфицирующих средств на общую бактериальную обсеменённость скорлупы утиных яиц. Для этого были приобретены свежие доброкачественные утиные яйца из фермерского хозяйства, приготовлены растворы дезинфицирующих средств: 6% перекись водорода, 4% хлорная известь, 4% карбонат натрия, 3% уксусная кислота. При дезинфекции утиных или гусиных яиц дозу веществ увеличивают в 2 раза в сравнение с куриными. Яйца обрабатывались приготовленными обеззараживающими растворами, время воздействия отличались. Экспозиция перекиси водорода составила 4 и 8 мин, хлорной извести – 2 и 5 мин, карбоната натрия – 10 и 30 мин, уксусной кислоты – 5 и 15 мин. Производился отбор проб смывов со скорлупы исследуемых яиц до и после дезинфекции, готовились разведения с последующим высевом на чашки Петри с неселективной средой, инкубацией посевов при 300 С в течение 72 часов. В результате подсчёта колоний определяли количество мезофильных аэробных и факультативно-анаэробных микроорганизмов (КМАФАнМ), выраженное в КОЕ/яйцо.</p><p>Результаты исследования показали, что в случае применения уксусной кислоты, перекиси водорода, хлорной извести прослеживается прямая зависимость инактивации микроорганизмов от времени воздействия. Более длительный период контакта яйца с карбонатом натрия не привёл к измеримому снижению количества жизнеспособных микроорганизмов. Также было выявлено, что 4% хлорная известь способна полностью инактивировать микробы на яичной скорлупе в течение 5 мин, при экспозиции 2 мин показатель общей микробной обсеменённости составил 9,2*101±0,7 КОЕ/яйцо.</p><p>Таким образом, в данном исследовании растворы хлорной извести, перекиси водорода и уксусной кислоты показали высокие бактерицидные свойства, и могут рассматриваться как эффективные средства для дезинфекции утиной яичной скорлупы.</p><p>Большинство научных статей посвящены изучению куриных яиц. В данной работе объектом исследования являются утиные яйца, выявлены лучшие дезинфицирующие средства для обработки скорлупы яиц, что является актуальной задачей в птицеводстве. Полученные результаты могут помочь фермерам реализовать более эффективные стратегии борьбы с инфекциями пищевого происхождения.</p></abstract><trans-abstract xml:lang="en"><p>The role of the total viable microbial count on eggshells is of significant interest, as it relates to egg safety and product shelf life.</p><p>The aim of this study was to assess the influence of various disinfectants on the overall bacterial contamination of duck eggshells. For this purpose, fresh high-quality duck eggs were obtained from a farm, and solutions of disinfectants were prepared: 6% hydrogen peroxide, 4% calcium hydroxide, 4% sodium carbonate, and 3% acetic acid. When disinfecting duck or goose eggs, the dosage of substances is doubled compared to chicken eggs. The eggs were treated with prepared disinfectant solutions, with varying exposure times. The exposure times for hydrogen peroxide were 4 and 8 minutes, for calcium hypochlorite – 2 and 5 minutes, for sodium carbonate – 10 and 30 minutes, and for acetic acid – 5 and 15 minutes. Samples of washings from the eggshells were collected both before and after disinfection. Dilutions were prepared and subsequently plated on Petri dishes with non-selective media, followed by incubation at 30°C for 72 hours. As a result of colony counting, the number of mesophilic aerobic and facultatively anaerobic microorganisms (CFU/egg) was determined.</p><p>The results of the study showed a direct correlation between the inactivation of microorganisms and exposure time when using acetic acid, hydrogen peroxide, and calcium hypochlorite. A longer contact period of the eggs with sodium carbonate did not result in a measurable reduction in the number of viable microorganisms. It was also found that 4% calcium hypochlorite could completely inactivate microbes on the eggshell within 5 minutes. With a 2-minute exposure, the total microbial contamination was 9.2*10¹±0.7 CFU/egg.</p><p>Thus, in this study, solutions of calcium hypochlorite, hydrogen peroxide, and acetic acid demonstrated high bactericidal properties and can be considered effective agents for disinfecting duck eggshells.</p><p>Most scientific articles are devoted to the study of chicken eggs. In this work, the object of research is duck eggs, the best disinfectants for processing eggshells have been identified, which is an urgent task in poultry farming.</p><p>The obtained results can help farmers implement more effective strategies for combating foodborne infections.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>утиные яйца</kwd><kwd>дезинфицирующие вещества</kwd><kwd>общая бактериальная обсемененность</kwd><kwd>бактериологический посев</kwd><kwd>микроорганизмы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>duck eggs</kwd><kwd>disinfectants</kwd><kwd>total bacterial contaminatio</kwd><kwd>bacteriological plating</kwd><kwd>microorganisms</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">Baker R.C. Microbiology of eggs / R.C. Baker // Journal of Food Protection. – 1974. – Т. 37, № 5. – Р. 265-268.</mixed-citation><mixed-citation xml:lang="en">Baker R.C. 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