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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-2019-2-29-12-16</article-id><article-id custom-type="elpub" pub-id-type="custom">veterinary-410</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 ПТИЦ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AVIAN DISEASES</subject></subj-group></article-categories><title-group><article-title>ПОДБОР ПИТАТЕЛЬНОЙ СРЕДЫ И ОПТИМИЗАЦИЯ РЕЖИМА ГЛУБИННОГО КУЛЬТИВИРОВАНИЯ AVIBACTERIUM PARAGALLINARUM</article-title><trans-title-group xml:lang="en"><trans-title>NUTRIENT MEDIUM SELECTION AND OPTIMIZATION OF AVIBACTERIUM PARAGALLINARUM DEEP CULTURE METHOD</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1531-004X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фирсова</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Firsova</surname><given-names>M. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант</p><p>Владимир</p></bio><bio xml:lang="en"><p>Post-Graduate Student</p><p>Vladimir</p></bio><email xlink:type="simple">firsova@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/0000-0003-3053-6976</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евграфова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Yevgrafova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ведущий ветеринарный врач</p><p>Владимир</p></bio><bio xml:lang="en"><p>Leading Veterinarian</p><p>Vladimir</p></bio><email xlink:type="simple">evgrafova@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/0000-0002-3529-4809</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Потехин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Potekhin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Заведующий сектором, кандидат ветеринарных наук</p><p>Владимир</p></bio><bio xml:lang="en"><p>Head of Sector, Candidate of Science (Veterinary Medicine)</p><p>Vladimir</p></bio><email xlink:type="simple">potehin@arriah.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУ «ВНИИЗЖ», г. Владимир</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FGBI "ARRIAH", Vladimir</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>27</day><month>06</month><year>2019</year></pub-date><volume>0</volume><issue>2</issue><fpage>12</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фирсова М.С., Евграфова В.А., Потехин А.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Фирсова М.С., Евграфова В.А., Потехин А.В.</copyright-holder><copyright-holder xml:lang="en">Firsova M.S., Yevgrafova V.A., Potekhin A.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://veterinary.arriah.ru/jour/article/view/410">https://veterinary.arriah.ru/jour/article/view/410</self-uri><abstract><p>Проведена сравнительная оценка различных жидких питательных сред с добавлением ростовых факторов для культивирования штамма № 5111 Avibacterium paragallinarum. Самый высокий показатель удельной скорости роста (μ = 0,787 ± 0,041 ч-1) и наибольшее накопление биомассы возбудителя (Х = 9,52 ± 0,04 lg КОЕ/см3) наблюдали при культивировании на соево-казеиновом бульоне. При этом среднее время удвоения концентрации живых микробных клеток было минимальным (td = 0,88 ч), а экспоненциальная фаза роста продолжалась в те­чение 6 ч. На соево-казеиновом бульоне в лабораторном биореакторе Biotron LiFlus GX определен оптимальный режим культивирования Avibacterium paragallinarum, основанный на измерении и регуляции основных физико-химических параметров. Время выхода культуры на начало стационарной фазы роста было максимальным при аэрации 1,0 л/мин, при этом парциальное давление кислорода в питательной среде составляло не более 25%. Периоду интенсивного снижения величины рН питательной среды соответствовала экспоненциальная фаза роста бактерий. Значение рН питательной среды в диапазоне от 7,30 ± 0,02 до 7,90 ± 0,06 существенно не влияло на показатель удельной скорости штамма, продолжительность лаг-фазы при этом была минимальна – 0,36–0,45 ч. При культивировании штамма в питательной среде с рН 7,90 ± 0,06 наблюдали максимальное накопление бактерий (9,76 ± 0,04 lg КОЕ/см3). Добавление в процессе культивирования 0,6–0,8 г/л 40%-го раствора глюкозы способствовало снижению показателя рН суспензии. Минимальное значение окислительно-восстано­вительного потенциала (–75 мВ) соответствовало завершению экспоненциальной фазы роста штамма.  </p></abstract><trans-abstract xml:lang="en"><p>Different liquid nutrient media supplemented with growth factors intended for Avibacterium paragallinarum strain No. 5111 cultivation were com­pared. The highest specific growth rate (μ = 0.787 ± 0.041 h-1) and the maximal accumulation of the agent’s biomass (Х = 9.52 ± 0.04 lg CFU/ cm3) were reported when cultured in casein soybean broth. Herewith, the mean time of the live microbial cell concentration doubling was minimal (td = 0.88 h), and the exponential growth phase lasted for 6 hours. The optimal method for Avibacterium paragallinarum cultivation in casein soy­bean broth in laboratory bioreactor Biotron LiFlus GX was determined through the measurements and adjustment of basic physical and chemical parameters. The time period until the culture reached the stationary growth phase was maximal with aeration at 1.0 l/min; herewith, the O2 partial pressure in the nutrient medium did not exceed 25%. The period of the intense decrease of medium’s pH was accompanied with the exponential phase of the bacterial growth. The nutrient medium’s pH ranging from 7.30 ± 0.02 to 7.90 ± 0.06 had no significant impact on the specific growth rate of the strain and the lag phase duration was minimal – 0.36–0.45 h. The strain cultivation in the nutrient medium with pH 7.90 ± 0.06 demonstrated maximal aggregation of the bacteria (9.76 ± 0.04 lg CFU/cm3). 40% glucose solution added at 0.6-0.8 g/l during cultivation facilitated the decrease of the suspension’s pH. Minimal redox value (–75 mV) was indicative of the completion of the exponential phase of the strain growth.  </p></trans-abstract><kwd-group xml:lang="ru"><kwd>инфекционный ринит (гемофилез) кур</kwd><kwd>Avibacterium paragallinarum</kwd><kwd>штамм № 5111</kwd><kwd>культивирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>avian infectious coryza (Glasser's disease)</kwd><kwd>Avibacterium paragallinarum</kwd><kwd>strain No. 5111</kwd><kwd>cultivation</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">Баснакьян И. А. 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