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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">10.32634/0869-8155-2021-350-6-12-15</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-1681</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>ВЕТЕРИНАРНАЯ ФАРМАКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>VETERINARY PHARMACOLOGY</subject></subj-group></article-categories><title-group><article-title>Применение метода ПЦР для обнаружения фальсификации овечьего молока козьим молоком</article-title><trans-title-group xml:lang="en"><trans-title>Application of the PCR method to detect the falsification of sheep milk with goat milk</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>Жижин</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhizhin</surname><given-names>Nikolay A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>115093, г. Москва, ул. Люсиновская, д. 35</p></bio><bio xml:lang="en"><p>35, Lyusinovskaya str., Moscow, 115093</p></bio><email xlink:type="simple">zhizhinmoloko@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАНУ «Всероссийский научно-исследовательский институт молочной промышленности»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute of the Dairy Industry</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>21</day><month>07</month><year>2021</year></pub-date><volume>0</volume><issue>6</issue><fpage>12</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жижин Н.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Жижин Н.А.</copyright-holder><copyright-holder xml:lang="en">Zhizhin N.A.</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/1681">https://www.vetpress.ru/jour/article/view/1681</self-uri><abstract><p>В статье рассмотрен вариант применения ПЦР-анализа для оценки чистоты видового состава овечьего молока, прошедшего термическую обработку. В ходе проведения работы был изучен генетический материал основных молочных пород коз и овец, представленных на территории России. Для этого в качестве целевого гена был использован 12S рРНК козы и овцы, на основании которого была получена пара праймеров 12SCH-DIR (5'-AAACGTGTTAAAGCACTACATC-3') и 12SCHINV (5'-GTCTTAGCTATAGTGTATCAGCTG CA-3') для козы и 12SM-FW (5'-CTAGAGGAGCCTGTTCTATAATCGATAA-3') и 12SOA-INV (5'-GTCTCCTCTCGTGTGGTTGAGATA-3') для овцы. Полученные праймеры были протестированы на специфичность путем анализа молока различных пород коз (зааненская, тоггенбургская, альпийская и нубийская молочная порода) и овец (цигайская, ассаф и восточно-фризская). В результате исследования бинарных смесей молока овцы и козы было установлено, что применение данной методики ПЦР-анализа позволяет выявлять примеси козьего молока в овечьем на уровне 0,1%. Также показано, что методика применима как к сырому молоку, так и к молоку, прошедшему технологическую обработку.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses the option of using PCR analysis to assess the purity of the species composition of heat-treated sheep's milk. In the course of the work, the genetic material of the main dairy breeds of goats and sheep represented on the territory of Russia was studied. For this purpose, the 12S rRNA of a goat and a sheep was used as a target gene, on the basis of which a pair of primers 12SCH-DIR (5'-AAACGTGTTAAAGCACTACATC-3 ‘) and 12SCH-INV (5'-GTCTTAGCTATAGTGTATCAGCTG CA-3') for goat and 12SM-FW (5'-CTAGAG-GAGCCTGTTCTATAATCGATAA-3 ‘) and 12SOA-INV (5'-GTCTCCTCTCG TGTGGTTGAGATA-3') for sheep. The resulting primers were tested for specificity by analyzing the milk of various breeds of goats (Saanen, Toggenburg, Alpine and Nubian dairy) and sheep (Tsigai, Assaf and East Friesian). As a result of the study of binary mixtures of sheep and goat milk, it was found that the use of this method of PCR analysis makes it possible to detect impurities of goat's milk in sheep's milk at a level of 0.1%. It has also been shown that the technique is applicable to both raw milk and processed milk.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ПЦР</kwd><kwd>идентификация</kwd><kwd>овечье молоко</kwd><kwd>козье молоко</kwd></kwd-group><kwd-group xml:lang="en"><kwd>PCR</kwd><kwd>identification</kwd><kwd>sheep milk</kwd><kwd>goat milk</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">Юрова, Е.А. Разработка современных методов анализа для идентификации молока и молочной продукции / / Молочная река. 2019. № 2 (74)/ С. 22-25.</mixed-citation><mixed-citation xml:lang="en">Yurova, E.A. 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