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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-2023-12-1-23-28</article-id><article-id custom-type="elpub" pub-id-type="custom">veterinary-705</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>ОРИГИНАЛЬНЫЕ СТАТЬИ | БИОТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL ARTICLES | BIOTECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Изучение культуральных свойств изолята возбудителя коронавирусного энтерита собак в различных культурах клеток</article-title><trans-title-group xml:lang="en"><trans-title>Study of cultural properties of canine enteric coronavirus isolate in different cell cultures</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1876-2025</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Комарова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Komarova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Комарова Анна Александровна, аспирант, ведущий ветеринарный врач отдела профилактики болезней мелких домашних животных</p><p>г. Владимир</p></bio><bio xml:lang="en"><p>Anna A. Komarova, Post-Graduate Student, Leading Veterinarian, Department for Pet Disease Prevention</p><p>Vladimir</p></bio><email xlink:type="simple">komarova_aa@arriah.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/0000-0001-9494-8537</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Галкина</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Galkina</surname><given-names>T. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галкина Татьяна Сергеевна, кандидат ветеринарных наук, заведующий отделом профилактики болезней мелких домашних животных</p><p>г. Владимир</p></bio><bio xml:lang="en"><p>Tatyana S. Galkina, Candidate of Science (Veterinary Medicine), Head of Department for Pet Disease Prevention</p><p>Vladimir</p></bio><email xlink:type="simple">galkina_ts@arriah.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «Федеральный центр охраны здоровья животных» (ФГБУ «ВНИИЗЖ»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FGBI “Federal Centre for Animal Health” (FGBI “ARRIAH”)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>24</day><month>03</month><year>2023</year></pub-date><volume>12</volume><issue>1</issue><fpage>23</fpage><lpage>28</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Комарова А.А., Галкина Т.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Комарова А.А., Галкина Т.С.</copyright-holder><copyright-holder xml:lang="en">Komarova A.A., Galkina T.S.</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/705">https://veterinary.arriah.ru/jour/article/view/705</self-uri><abstract><p>Этиология заболеваний, сопровождающихся поражением желудочно-кишечного тракта у собак, многообразна. Вторым наиболее распространенным у собак энтеропатогеном вирусной природы в мире после парвовируса является коронавирус CCoV. Обширные исследования, проведенные учеными из разных стран, доказывают повсеместное распространение коронавирусной инфекции в популяции собак. В связи с этим не теряют актуальности вопросы профилактики данного заболевания, в первую очередь изготовление эффективных иммунобиологических препаратов, обеспечивающих надежную защиту от данной инфекции. Целью настоящей работы являлось изучение культуральных свойств изолята CCoV, выбор наиболее подходящей для его репродукции клеточной системы и оптимизация параметров культивирования вируса в чувствительных клеточных линиях. В опытах использовали изолят CCoV, выделенный из патологического материала, полученного от погибшего щенка с симптомами энтерита. В ходе исследований было испытано семь перевиваемых и две первично трипсинизированные культуры клеток и установлено, что наиболее чувствительной клеточной системой для репродукции данного изолята является перевиваемая культура клеток почки кошки CRFK, в которой на 2-е сут культивирования отмечалось характерное цитопатическое действие. Титр инфекционной активности вируса в данной культуре был на уровне 3,58 ± 0,14 lg ТЦД50/см3 . Определено, что такие клеточные линии, как перевиваемая культура клеток селезенки кошки (FS) и первично трипсинизированная культура клеток селезенки котенка (СК), также чувствительны к изоляту CCoV, но в меньшей степени, чем CRFK. Также в ходе опытов изучалось влияние на накопление коронавируса таких показателей, как множественность заражения, время культивирования, способ заражения, срок предварительного контакта (адсорбции) вируса с культурой клеток и возраст клеточной системы для некоторых выбранных культур клеток. Сделан вывод, что линии клеток CRFK и FS могут быть использованы для получения вирусного материала с целью разработки средств диагностики и специфической профилактики коронавирусного энтерита собак.</p></abstract><trans-abstract xml:lang="en"><p>The etiology of the diseases affecting gastrointestinal tractofdogs is variable. The second most important enteric viral pathogen in the world after parvovirus is coronavirus (CCoV). Vast studies by scientists from different countries evidence the ubiquitous spread of coronavirus infection in dog populations. In this regard, the prevention of this disease is still an acute problem; firstly this means the development of effective vaccines, which can provide are liable protection from the infection. The aim of this work was to study the CCoV isolate cultural properties, the selection of cell cultures most suitable for its reproduction and optimization of virus cultivation parameters in sensitive cell lines. TheCCoV isolate recovered from the pathological material of a dead puppy with enteritis symptoms was used in the study. Seven continuousandtwoprimarytrypsinizedcellculturesweretestedduringthestudyanditwasestablishedthat the most sensitive cell culture for the reproduction of this isolate was continuous Crandell-Rees Feline Kidney Cells (CRFK) in which atypical cytopathic effect was notedon Day 2 of the cultivation. Virus infectivity titer in this culture was 3.58 ± 0.14 lgTCID50/cm3 . It was established that such cell linesas fel in espleen cells (FS) and primary trypsinized kitten spleen cells (KS) are also sensitive to the CCoV isolate but less than CRFK cells. Effect of such parameters as multiplicity of infection, cultivation time, inoculation technique, adsorption period and cell lineag eon coronavirus growth rate was studiedfor some selected cell cultures. It was concluded that CRFK and FS cells can be used for the propagation of viral material to develop diagnostic tools and vaccines against canineenteric coronavirus.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коронавирус собак (CCoV)</kwd><kwd>коронавирусный энтерит собак</kwd><kwd>кишечные инфекции собак</kwd><kwd>культивирование вирусов</kwd><kwd>перевиваемые культуры клеток</kwd><kwd>первично трипсинизированные культуры клеток</kwd></kwd-group><kwd-group xml:lang="en"><kwd>canine coronavirus (CCoV)</kwd><kwd>canine enteric coronavirus</kwd><kwd>canine intestinal infections</kwd><kwd>virus culture</kwd><kwd>continuous cell lines</kwd><kwd>primary trypsinized cells</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">Alves C. D. B. T., Granados O. F. O., Budaszewski R. D. F., Streck A. F., Weber M. N., Cibulski S. P., et al. 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