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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">meat</journal-id><journal-title-group><journal-title xml:lang="en">Theory and practice of meat processing</journal-title><trans-title-group xml:lang="ru"><trans-title>Теория и практика переработки мяса</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2414-438X</issn><issn pub-type="epub">2414-441X</issn><publisher><publisher-name>ФГБНУ «Федеральный научный центр пищевых систем им. В.М. Горбатова» РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21323/2414-438X-2022-7-3-193-199</article-id><article-id custom-type="elpub" pub-id-type="custom">meat-229</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Contribution of some immunological and metabolic factors to formation of piglets’ post-vaccination immunity</article-title><trans-title-group xml:lang="ru"><trans-title>Contribution of some immunological and metabolic factors to formation of piglets’ post-vaccination immunity</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3818-0556</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Derkho</surname><given-names>M. A.</given-names></name><name name-style="western" xml:lang="en"><surname>Derkho</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>Marina A. Derkho, Doctor of Biological Sciences, Professor, Institute of Veterinary Medicine</p><p>13, Gagarin str., Troitsk, 457103</p><p>Tel.: +7–351–632–00–10</p></bio><email xlink:type="simple">kaf.himec@sursau.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/0000-0001-7515-5670</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Burkov</surname><given-names>P. V.</given-names></name><name name-style="western" xml:lang="en"><surname>Burkov</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Pavel V. Burkov, Candidate of Veterinary Sciences, Docent, Institute of Veterinary Medicine</p><p>3, Gagarin str., Troitsk, 457103</p><p>Tel.: +7–351–632–00–10</p></bio><email xlink:type="simple">burkovpv@sursau.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/0000-0001-8685-4645</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Scherbakov</surname><given-names>P. N.</given-names></name><name name-style="western" xml:lang="en"><surname>Shcherbakov</surname><given-names>P. N.</given-names></name></name-alternatives><bio xml:lang="en"><p>Pavel N. Shcherbakov, Doctor of Veterinary Sciences, Docent, Institute of Veterinary Medicine</p><p>3, Gagarin str., Troitsk, 457103</p><p>Tel.: +7–351–632–00–10</p></bio><email xlink:type="simple">scherbakov_pavel@mail.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/0000-0003-0857-5143</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Rebezov</surname><given-names>M. B.</given-names></name><name name-style="western" xml:lang="en"><surname>Rebezov</surname><given-names>M. B.</given-names></name></name-alternatives><bio xml:lang="en"><p>Maksim B. Rebezov, Doctor of Agricultural Sciences, Candidate of Veterinary Sciences, Professor, Leading Researcher</p><p>26, Talalikhin str., 109316, Moscow</p><p>Tel.: +7–999–900–23–65</p></bio><email xlink:type="simple">rebezov@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3916-004X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Stepanova</surname><given-names>K. V.</given-names></name><name name-style="western" xml:lang="en"><surname>Stepanova</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="en"><p>Ksenia V. Stepanova, Candidate of Biological Sciences, Docent, Institute of Veterinary Medicine</p><p>13, Gagarin str., Troitsk, 457103</p><p>Tel.: +7–351–632–00–10</p></bio><email xlink:type="simple">deratizator@bk.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/0000-0002-1279-3904</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ansori</surname><given-names>A.N M.</given-names></name><name name-style="western" xml:lang="en"><surname>Ansori</surname><given-names>A. N. M.</given-names></name></name-alternatives><bio xml:lang="en"><p>Arif N. M. Ansori, Doctor in Veterinary Science, Faculty of Veterinary Medicine</p><p>Jl. Mulyorejo, Kec. Mulyorejo, Surabaya, East Java, 60115</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>South Ural State Agrarian University</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-2"><institution>V.M. Gorbatov Federal Scientific Center of Food Systems</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-3"><institution>Universitas Airlangga</institution><country>Indonesia</country></aff><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>14</day><month>10</month><year>2022</year></pub-date><volume>7</volume><issue>3</issue><fpage>193</fpage><lpage>199</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Derkho M.A., Burkov P.V., Shcherbakov P.N., Rebezov M.B., Stepanova K.V., Ansori A.M., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Derkho M.A., Burkov P.V., Scherbakov P.N., Rebezov M.B., Stepanova K.V., Ansori A.M.</copyright-holder><copyright-holder xml:lang="en">Derkho M.A., Burkov P.V., Shcherbakov P.N., Rebezov M.B., Stepanova K.V., Ansori A.M.</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.meatjournal.ru/jour/article/view/229">https://www.meatjournal.ru/jour/article/view/229</self-uri><abstract><p>The role and responsibility of natural resistance factors, protein and lipid metabolism in the formation of piglets post-vaccination immunity against circovirus is researched. Blood was taken for tests before and on the 15th, 40th and 70th day after the vaccination. The sampled blood was analyzed to determine immunological and biochemical parameters. It was revealed that before vaccination, 31.46% of the studied samples have a positive reaction in ELISA; their number increases to 67.80–71.16% on the 40th and 70th days after vaccination.In the blood of piglets, especially on the 40th and 70th day after the vaccination, the total count of leukocytes, monocytes and lymphocytes increases by 1.21; 2.28 times and 1.48 times, but neutrophils reduced by 1.74 times along with the phagocytic properties activation. The anabolic directivity of protein metabolism is defined by the synthesis of globulin proteins. At the same time albumin-synthesizing activity in a liver decreased and “cytolysis reaction” of hepatocytes was detected. In the lipid profile of piglets’ blood, the content of LDL‑cholesterol increased by 1.44 times, while that of triglycerides decreased by 2.64 times. X‑ray spectral analysis revealed the correlation between the formation of post-vaccination immunity and two factors: the factor of the principal component (PC) 1, which is predominantly associated with indicators of natural resistance, and PC2, which is associated with metabolism indicators. The research results show that in order to increase the efficiency of formation of post-vaccination immunity in piglets, it is necessary to combine vaccination with hepatoprotective drugs.</p></abstract><kwd-group xml:lang="en"><kwd>piglets</kwd><kwd>post-vaccination immunity</kwd><kwd>natural resistance factors</kwd><kwd>biochemical parameters</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">Yirga, A., Jemberu, W.T., Lyons, N., Gebru, A., Akililu, F., Rushton, J. (2020). Post-vaccination herd immunity against peste des petits ruminants and inter-vaccination population turnover in small ruminant flocks in northwest Ethiopia. Preventive Veterinary Medicin, 174, Article 104850. https://doi.org/10.1016/j.prevetmed.2019.104850</mixed-citation><mixed-citation xml:lang="en">Yirga, A., Jemberu, W.T., Lyons, N., Gebru, A., Akililu, F., Rushton, J. (2020). 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