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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">10.17238/issn2072-2419.2021.3.9</article-id><article-id custom-type="elpub" pub-id-type="custom">ivm-713</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>ИНФЕКЦИОННЫЕ БОЛЕЗНИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFECTIOUS DISEASES</subject></subj-group></article-categories><title-group><article-title>Использование рекомбинантного белка VP2 в качестве субъединичной вакцины против инфекционной бурсальной болезни</article-title><trans-title-group xml:lang="en"><trans-title>The use of recombinant protein VP2 as a sub-unit vaccine against infectious bursal disease</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>Джавадов</surname><given-names>Э. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Dzhavadov</surname><given-names>E. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>док. вет. н.</p></bio><bio xml:lang="en"><p>Doctor of veterinary sciences</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Румянцев</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rumyantsev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. биол. н.</p></bio><bio xml:lang="en"><p>candidate of biology sciences</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Веретенников</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Veretennikov</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>асс. каф. эпизоотологии им В.П. Урбана</p></bio><bio xml:lang="en"><p>Assistant of the Department of Epizootology</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тарлавин</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tarlavin</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>асс. каф. эпизоотологии им В.П. Урбана</p></bio><bio xml:lang="en"><p>Assistant of the Department of Epizootology</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО СПбГУВМ</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>2021</year></pub-date><pub-date pub-type="epub"><day>12</day><month>10</month><year>2021</year></pub-date><volume>0</volume><issue>3</issue><fpage>9</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Джавадов Э.Д., Румянцев А.М., Веретенников В.В., Тарлавин Н.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Джавадов Э.Д., Румянцев А.М., Веретенников В.В., Тарлавин Н.В.</copyright-holder><copyright-holder xml:lang="en">Dzhavadov E.D., Rumyantsev A.M., Veretennikov V.V., Tarlavin N.V.</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/713">https://vetjournal.spbguvm.ru/jour/article/view/713</self-uri><abstract><p>Во всех регионах мира, производящих птицу, вирус инфекционной бурсальной болезни (ИББ) продолжает оставаться одной из главных проблем для птицеводов. Вирус вызывает у цыплят анемичность и обезвоженность мышечной ткани, также кровоизлияния в мышцах голени, бедра, крыльев и груди. Наиболее характерные для данной болезни изменения наблюдаются в фабрициевой бурсе. В первые 2-4 дня после заражения птицы она увеличивается в 2-3 раза. Ее слизистая оболочка становится отечна, гиперемирована, в ней обнаруживаются кровоизлияния и некротические участки. Летальность от этой болезни невысокая, но основной опасностью ИББ является вызываемое ей иммунодепрессивное состояние.Последствиями иммуносупрессии, связанной с ИББ, является восприимчивость цыплят к условно-патогенным микроорганизмам, повышение восприимчивости к другим заболеваниям и снижении эффективности вакцинации против болезни Ньюкасла, болезни Марека, инфекционного бронхита и др. Вакцинация является наиболее важной мерой для борьбы с ИББ в полевых условиях. На сегодняшний день на птицефабриках широко применяются живые и инактивированные вакцины против инфекционной бурсальной болезни. За достаточно длинный период применения этих вакцин было найдено большое количество недостатков их использования, поэтому возросла актуальность рекомбинантных вакцин на основе вирусного белка VP2, которые считаются более безопасными и дешевыми.Вакцинированные куры, у которых происходит синтез вируснейтрализующих антител к капсидному белку VP2, устойчивы к инфекционной бурсальной болезни.Целью работы являлось произвести рекомбинантный белок VP2 и испытать его эффективность на цыплятах кросса Ломан Браун.</p></abstract><trans-abstract xml:lang="en"><p>In all poultry producing regions of the world, infectious bursal disease (IBD) virus continues to be a major concern for poultry farmers. The virus causes anemic and dehydrated muscle tissue in chickens, as well as hemorrhages in the muscles of the lower leg, thigh, wings and chest. The most characteristic of this disease are observed in the fabrication bursa. In the first 2-4 days after infection of the bird, it increases 2-3 times. Its mucous membrane becomes edematous, hyperemic, hemorrhages and necrotic areas are found in it. The mortality from this disease is low, but the main danger of IBD is the immunosuppressive state it causes.The consequences of immunosuppression associated with IBD, an increase in the susceptibility of chickens to opportunistic microorganisms, an increase in susceptibility to diseases and a decrease in the effectiveness of vaccination against Newcastle disease, Marek's disease, infectious bronchitis, etc.Vaccination is the most important measure for combating IBD in the field. Today, live and inactivated vaccines against infectious bursal disease are widely used in poultry farms. A large number of disadvantages of their use have been found, therefore, the relevance of recombinant vaccines based on the viral VP2 protein has increased, which are considered safer and cheaper.Vaccinated chickens, in which the synthesis of virus-neutralizing antibodies to the VP2 capsid protein occurs, are resistant to infectious bursal disease. The aim of the work was the recombinant protein VP2 and to test its effectiveness in chickens of the Lohman Brown cross.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>болезнь Гамборо</kwd><kwd>инфекционная бурсальная болезнь</kwd><kwd>рекомбинантные вакцины</kwd><kwd>дрожжи P. pastoris</kwd><kwd>белок VP2</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Gumbor o disease</kwd><kwd>infectious bur sal disease</kwd><kwd>r ecombinant vaccines</kwd><kwd>P. pastoris yeast</kwd><kwd>VP2 protein</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">Azad AA, Jagadish MN, Brown MA, Hudson PJ. Deletion mapping and expression in Escherichia coli of the large genomic segment of a birnavirus. Virology 1987;161:145–52</mixed-citation><mixed-citation xml:lang="en">Azad AA, Jagadish MN, Brown MA, Hudson PJ. 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