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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2023-372-7-27-30</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-2695</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>ЗООТЕХНИЯ И ВЕТЕРИНАРИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ZOOTECHNICS AND VETERINARY MEDICINE</subject></subj-group></article-categories><title-group><article-title>Гемолитические свойства стрептококков, выделенных из проб клинического материала от синантропных грызунов и птиц, обитающих в помещениях для сельскохозяйственных животных</article-title><trans-title-group xml:lang="en"><trans-title>Hemolytic characteristics of Streptococcus isolated from clinical material from synanthropic rodents and birds living in farm animal facilities</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>Шахмурзов</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shakhmurzov</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мухамед Музачирович Шахмурзов, доктор биологических наук, профессор,</p><p>пр-т Ленина, 1В, Нальчик, 360030</p></bio><bio xml:lang="en"><p>Mukhamed Muzachirovich Shakhmurzov, Doctor of Biological Sciences, Professor,</p><p>1В Lenin Avе., Nalchik, 360030</p></bio><email xlink:type="simple">shahmih@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мешев</surname><given-names>Э. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Meshev</surname><given-names>E. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Эдуард Михайлович Мешев, кандидат ветеринарных наук, доцент,</p><p>пр-т Ленина, 1В, Нальчик, 360030</p></bio><bio xml:lang="en"><p>Eduard Mikhailovich Meshev, Candidate of Veterinary Sciences, associate professor,</p><p>1В Lenin Avе., Nalchik, 360030</p></bio><email xlink:type="simple">vet.service@bk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Диданова</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Didanova</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Асият Ауесовна Диданова, кандидат биологических наук, доцент,</p><p>пр-т Ленина, 1В, Нальчик, 360030</p></bio><bio xml:lang="en"><p>Asiyat Auesovna Didanova, Candidate of Biological Sciences, associate professor,</p><p>1В Lenin Avе., Nalchik, 360030</p></bio><email xlink:type="simple">didan0809@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жемухов</surname><given-names>А. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhemukhov</surname><given-names>A. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анзор Хазраилович Жемухов, главный государственный инспектор отдела государственного ветеринарного контроля и надзора,</p><p>пер. Крупской, 31/1, Ставрополь, 355040</p></bio><bio xml:lang="en"><p>Anzor Khazrailovich Zhemukhov, Chief State Inspector of the Department of State Veterinary Control and Supervision,</p><p>31/1 Krupskaya Lane, Stavropol, 355040</p></bio><email xlink:type="simple">anzorchik1995@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный аграрный университет им. В.М. Кокова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State Agrarian University named after V.M. Kokov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Северо-Кавказское межрегиональное управление Федеральной службы по ветеринарному и фитосанитарному надзору</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North-Caucasian Interregional Directorate of the Federal Service for Veterinary and Phytosanitary Supervision</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>07</month><year>2023</year></pub-date><volume>0</volume><issue>7</issue><fpage>27</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шахмурзов М.М., Мешев Э.М., Диданова А.А., Жемухов А.Х., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Шахмурзов М.М., Мешев Э.М., Диданова А.А., Жемухов А.Х.</copyright-holder><copyright-holder xml:lang="en">Shakhmurzov M.M., Meshev E.M., Didanova A.A., Zhemukhov A.K.</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://www.vetpress.ru/jour/article/view/2695">https://www.vetpress.ru/jour/article/view/2695</self-uri><abstract><p>Результаты. Было исследовано 324 культуры стрептококков α-, β- и γ-изолированных с целью изучения их активности из проб клинического материала от синантропных птиц и грызунов. У крыс, мышей и птиц, отловленных в животноводческих помещениях, у культур стрептококков в основном проявлялись α- и γ-типы гемолиза, β-гемолиз отмечался реже.</p><p>Для изучения гемолитических свойств стрептококков было исследовано 140 культур стрептококков, изолированных из воздуха, смывов со стен и полов, а также из кормушек в животноводческих помещениях Кабардино-Балкарской Республики. Выделенные из воздуха коровников, кошар, конюшен и свинарников 50 культур обладали α-гемолитической активностью в 52% случаев, полное просветление кровяного агара (β-гемолиз) вызывали 7 культур и не вызывали гемолиза 17 культур. Выделенные из смывов со стен и полов 44 культуры стрептококков вызывали α-гемолиз в 40,9% случаев, β-гемолиз в 25,0% случаев и не вызывали гемолиза в 34,1% исследованных культур. Выделенные из смывов с кормушек 46 культур в 17 случаях вызывали частичный гемолиз, в 6 — полный гемолиз, в 23 — гемолиза не вызывали.</p></abstract><trans-abstract xml:lang="en"><p>Results. In order to study the hemolytic activity of Streptococcus, α-, β- and γ-isolated from samples of clinical material from synanthropic birds and rodents, we studied 324 cultures of Streptococcus. In rats, mice and birds caught in livestock buildings in cultures of Streptococcus, α- and γ-types of hemolysis were mainly manifested, β-hemolysis was observed less frequently.</p><p>To study the hemolytic properties of Streptococcus, we studied 140 cultures of Streptococcus isolated from the air, washings from walls and floors, as well as from feeders, in livestock buildings of the KabardinoBalkarian Republic. 50 cultures isolated from the air of cowsheds, sheds, stables and pigsties had α-hemolytic activity in 52,0% of cases, complete clarification of blood agar (β-hemolysis) caused 7 cultures and did not cause hemolysis in 17 cultures. 44 cultures of Streptococcus isolated from washings from walls and floors caused α-hemolysis in 40,9% of cases, β-hemolysis in 25,0% of cases and did not cause hemolysis in 34,1% of the studied cultures. 46 cultures isolated from feeder washes caused partial hemolysis in 17 cases, complete hemolysis in 6 cases, and no hemolysis in 23 cases.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стрептококки</kwd><kwd>патологический материал</kwd><kwd>факторные инфекции</kwd><kwd>гемолиз</kwd><kwd>грызуны</kwd><kwd>птицы</kwd><kwd>животноводческие помещения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Streptococcus</kwd><kwd>pathological material</kwd><kwd>factor infections</kwd><kwd>hemolysis</kwd><kwd>rodents</kwd><kwd>birds</kwd><kwd>livestock buildings</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">Апатенко В.М. 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