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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/issn2072-2419.2025.2.391</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-1735</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>НЕЗАРАЗНЫЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NON-COMMUNICABLE DISEASE</subject></subj-group></article-categories><title-group><article-title>Изменение сывороточного амилоида А кошек и С-реактивного белка собак при пневмониях</article-title><trans-title-group xml:lang="en"><trans-title>Changes in serum amyloid A of cats and C-reactive protein of dogs in pneumonia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-6616-0697</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Градова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gradova</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>асп.</p></bio><bio xml:lang="en"><p>postgraduate student </p></bio><email xlink:type="simple">bushik.dog@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/0000-0001-9130-164X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковалев</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р ветеринар. наук, проф., зав. каф. клинической диагностики </p></bio><bio xml:lang="en"><p>Doctor of Veterinary Sciences, Professor, Head of the Department of Clinical Diagnostics </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный университет ветеринарной медицины»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State University of Veterinary Medicine</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>08</month><year>2025</year></pub-date><volume>0</volume><issue>2</issue><fpage>391</fpage><lpage>396</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Градова Ю.В., Ковалев С.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Градова Ю.В., Ковалев С.П.</copyright-holder><copyright-holder xml:lang="en">Gradova Y.V., Kovalev S.P.</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/1735">https://vetjournal.spbguvm.ru/jour/article/view/1735</self-uri><abstract><p>Полноценная диагностика пневмонии должна включать в себя тестирование на определение уровня острофазных белков воспаления. У собак широкое распространение получил С-реактивный белок, концентрация которого возрастает уже через 6-8 часов после начала воспаления. У кошек – сывороточный амилоид А, концентрация которого возрастает через 24-48 часов после начала воспаления. В настоящее время для определения уровня острофазных белков воспаления распространен метод иммунофлюоресценции. Авторы сравнили уровни острофазных белков воспаления у здоровых животных и больных животных (до и после лечения). Выявлено статистически достоверное различие между больными до лечения и здоровыми животными. Между выздоровевшими и здоровыми кошками выявлено статистически достоверное различие. Между выздоровевшими и здоровыми собаками статистически достоверных различий не выявлено. Уровень сывороточного амилоида А у заболевших кошек достоверно возрастал в 8 раз относительно здоровых (р&lt;0,01), а при выздоровлении возвращался к нормативным значениям, но был достоверно выше на 32,6 %, чем у здоровых животных (р&gt;&lt;0,01). Уровень С-реактивного белка у заболевших собак достоверно возрастал в 7,6 раз относительно здоровых собак (р&gt;&lt;0,01), а при выздоровлении возвращался к нормативным значениям и не имел достоверной разницы со здоровыми животными. Определение концентрации С-реактивного белка собак и сывороточного амилоида А у кошек до начала терапии и после антибиотикотерапии помогает принять решение о продлении лечения в случае не&gt; &lt; 0,01), а при выздоровлении возвращался к нормативным значениям, но был достоверно выше на 32,6 %, чем у здоровых животных (р &lt; 0,01). Уровень С-реактивного белка у заболевших собак достоверно возрастал в 7,6 раз относительно здоровых собак (р &lt; 0,01), а при выздоровлении возвращался к нормативным значениям и не имел достоверной разницы со здоровыми животными. Определение концентрации С-реактивного белка собак и сывороточного амилоида А у кошек до начала терапии и после антибиотикотерапии помогает принять решение о продлении лечения в случае необходимости и являются одним из критериев успешности терапии.</p></abstract><trans-abstract xml:lang="en"><p>A full-fledged diagnosis of pneumonia should include testing for the level of acutephase inflammatory proteins. C-reactive protein is widespread in dogs, and its concentration increases as early as 6-8 hours after the onset of inflammation. Cats have serum amyloid A, whose concentration increases 24-48 hours after the onset of inflammation. Currently, the immunofluorescence method is widely used to determine acutephase inflammatory proteins. The authors compared the levels of acute-phase inflammatory proteins in healthy animals and sick animals (before and after treatment). A statistically significant difference was revealed between patients before treatment and healthy animals. A statistically significant difference was found between recovered and healthy cats. There were no statistically significant differences between recovered and healthy dogs. The level of serum amyloid A in sick cats significantly increased 8-fold relative to healthy ones (p&lt;0.01), and upon recovery returned to the standard values, but was significantly higher by 32.6% than in healthy animals (p&gt;&lt;0.01). The level of Creactive protein in sick dogs significantly increased by 7.6 times relative to healthy dogs (p&gt;&lt;0.01), and upon recovery returned to the standard values and had no significant difference with healthy animals. Determining the concentration of C-reactive protein in dogs and serum amyloid A in cats before starting therapy and after antibiotic therapy helps to decide whether to extend treatment if necessary and is one of the criteria for the success of therapy. &gt; &lt; 0.01), and upon recovery returned to the standard values, but was significantly higher by 32.6% than in healthy animals (p &lt; 0.01). The level of Creactive protein in sick dogs significantly increased by 7.6 times relative to healthy dogs (p &lt; 0.01), and upon recovery returned to the standard values and had no significant difference with healthy animals. Determining the concentration of C-reactive protein in dogs and serum amyloid A in cats before starting therapy and after antibiotic therapy helps to decide whether to extend treatment if necessary and is one of the criteria for the success of therapy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пневмония собак и кошек</kwd><kwd>острофазные белки воспаления</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pneumonia in dogs and cats</kwd><kwd>acute-phase inflammatory proteins</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">Крячко, О. В. Апробация методики определения концентрации плазменного церулоплазмина у собак / О. В. Крячко, А. В. Чарторийкая // Студенческая научно -практическая конференция «АПК – молодежь, наука, инновация». – 2024. – P. 22-26. – doi: 10.36684/123-1-2024-22-26.</mixed-citation><mixed-citation xml:lang="en">Kryachko, O. V. 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