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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">veterinary</journal-id><journal-title-group><journal-title xml:lang="ru">Ветеринария сегодня</journal-title><trans-title-group xml:lang="en"><trans-title>Veterinary Science Today</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304-196X</issn><issn pub-type="epub">2658-6959</issn><publisher><publisher-name>"Veinard"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29326/2304-196X-2020-4-35-261-265</article-id><article-id custom-type="elpub" pub-id-type="custom">veterinary-513</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>БОЛЕЗНИ КРС</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BOVINE DISEASES</subject></subj-group></article-categories><title-group><article-title>К совершенствованию диагностики туберкулеза крупного рогатого скота</article-title><trans-title-group xml:lang="en"><trans-title>Improvement of bovine tuberculosis diagnosis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Баратов</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Baratov</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Баратов Магомед Омарович, доктор ветеринарных наук, главный научный сотрудник, заместитель директора по научной работе</p><p>Республика Дагестан, г. Махачкала</p></bio><bio xml:lang="en"><p>Magomed O. Baratov, Doctor of Science (Veterinary Medicine), Chief Researcher, Deputy Director for Research</p><p>Makhachkala, Republic of Dagestan</p></bio><email xlink:type="simple">alama500@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Прикаспийский зональный научно-исследовательский ветеринарный институт – филиал ФГБНУ «Федеральный аграрный научный центр Республики Дагестан» (Прикаспийский зональный НИВИ – филиал ФГБНУ «ФАНЦ РД»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Caspian Regional Research Veterinary Institute – Branch of Dagestan Agriculture Science Center</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>12</day><month>01</month><year>2021</year></pub-date><volume>0</volume><issue>4</issue><fpage>261</fpage><lpage>265</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Баратов М.О., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Баратов М.О.</copyright-holder><copyright-holder xml:lang="en">Baratov M.O.</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://veterinary.arriah.ru/jour/article/view/513">https://veterinary.arriah.ru/jour/article/view/513</self-uri><abstract><p>Выявление животных с неспецифическими реакциями на туберкулин – одна из наиболее актуальных проблем в диагностике туберкулеза. Очевидна необходимость поиска и совершенствования методов для выявления причин сенсибилизации. В работе представлены результаты сравнительного изучения различных способов стабилизации эритроцитов с целью получения диагностикума для проведения реакции непрямой гемагглютинации. Отражены этапы стабилизации и сенсибилизации эритроцитов. Показана диагностическая значимость метода стабилизации Фили с использованием формальдегида в качестве фиксатора. Наиболее высокие титры антител (1:3000 и 1:4000) получены в гипериммунных сыворотках крови кроликов, иммунизированных Mycobacterium bovis, с гомологичным диагностикумом. Практическая значимость гомологичных заражению сенситинов показана при исследовании 1911 проб сывороток крови животных из хозяйств различных категорий (больные; здоровые, реагирующие на туберкулин; здоровые, не реагирующие на туберкулин) в реакции непрямой гемагглютинации с диагностикумами, изготовленными из Mycobacterium bovis и Mycobacterium fortuitum. В неблагополучном по заболеванию хозяйстве, на основании полученных в реакции непрямой гемагглютинации позитивных результатов, при проведении патологоанатомического вскрытия диагноз на туберкулез установили у 87,5% животных. Отмечено совпадение результатов реакции непрямой гемагглютинации с показаниями внутрикожной туберкулиновой пробы в 37,7% случаев. У 206 больных туберкулезом животных обнаружены диагностические титры антител при отсутствии реакции на внутрикожную пробу. Однако при проведении патологоанатомического исследования были выявлены изменения туберкулезного характера внутренних органов. Полученные данные указывают на возможность использования реакции непрямой гемагглютинации при выявлении больных туберкулезом животных с неспецифическими реакциями на туберкулин.</p></abstract><trans-abstract xml:lang="en"><p>Detection of animals with non-specific reactions to tuberculin is one of the major problems in bovine tuberculosis (TB) diagnosis. There is a need to find and improve methods for detection of the sensitization causes. This paper presents the results of comparative studies of different ways to stabilize red blood cells in order to obtain diagnosticums for indirect hemagglutination (IHA) test. The article describes the stages of red blood cells stabilization and sensitization and demonstrates the diagnostic significance of Fili stabilization method using formaldehyde as a fixative. The highest antibody titers (1:3000 and 1:4000) were received in hyperimmune sera of rabbits immunized with Mycobacterium bovis using a homologous diagnosticum. Practical importance of the sensitins homologous to the infection is shown during testing of 1,911 serum samples collected from animals of different categories (diseased; healthy and reacting to tuberculin; healthy and not reacting to tuberculin) with IHA test using diagnosticums produced from Mycobacterium bovis and Mycobacterium fortuitum. Based on the positive results of the IHA test, TB was diagnosed in 87.5% of animals originating from an infected farm during post-mortem examination. The results of the IHA test agreed with those of the intradermal tuberculin test in 37.7% of cases. Diagnostic antibody titers were found in 206 TB infected animals with no reaction to the intradermal test. However, the post-mortem examination revealed TB changes in internal organs. The obtained data suggest a possibility to use the IHA test to detect TB infected animals with non-specific reactions to tuberculin.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>туберкулез</kwd><kwd>реакция непрямой гемагглютинации</kwd><kwd>дифференциация</kwd><kwd>крупный рогатый скот</kwd><kwd>стандартизация</kwd><kwd>антитела</kwd><kwd>эритроциты</kwd><kwd>сенсибилизация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tuberculosis</kwd><kwd>indirect hemagglutination test</kwd><kwd>differentiation</kwd><kwd>cattle</kwd><kwd>standardization</kwd><kwd>antibodies</kwd><kwd>red blood cells</kwd><kwd>sensitization</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">Awad F. I. The inter-relationship between tuberculosis and bovine farcy. J. Comp. Pathol. Therap. 1958; 68 (3): 324–330. DOI: 10.1016/s0368-1742(58)80034-x.</mixed-citation><mixed-citation xml:lang="en">Awad F. 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