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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">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2021-201-895-909</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-689</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>АКВАКУЛЬТУРА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AQUACULTURE</subject></subj-group></article-categories><title-group><article-title>Результаты исследований состояния приморского гребешка (Mizuhopecten yessoensis)  на плантациях марикультуры Приморья</article-title><trans-title-group xml:lang="en"><trans-title>Results of examination the state of yesso scallop (Mizuhopecten yessoensis) on plantations of aquaculture in Primorye</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>Гаврилова</surname><given-names>Г. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Gavrilova</surname><given-names>G. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гаврилова Галина Сергеевна, доктор биологических наук, главный научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Gavrilova Galina S., D.Biol., principal researcher</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">galina.gavrilova@tinro-center.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>Мотора</surname><given-names>З. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Motora</surname><given-names>Z. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мотора Зоя Ивановна, ведущий специалист</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Motora Zoya I., leading specialist</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">motora_dv@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>Поздняков</surname><given-names>С. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Pozdnyakov</surname><given-names>S. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поздняков Сергей Ефимович, доктор биологических наук, советник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Pozdnyakov Sergey E., D.Biol., counselor</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">sergey.pozdnyakov@tinro-center.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский филиал ВНИРО (ТИНРО)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific branch of VNIRO (TINRO)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2021</year></pub-date><volume>201</volume><issue>4</issue><fpage>895</fpage><lpage>909</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гаврилова Г.С., Мотора З.И., Поздняков С.Е., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Гаврилова Г.С., Мотора З.И., Поздняков С.Е.</copyright-holder><copyright-holder xml:lang="en">Gavrilova G.S., Motora Z.I., Pozdnyakov S.E.</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://izvestiya.tinro-center.ru/jour/article/view/689">https://izvestiya.tinro-center.ru/jour/article/view/689</self-uri><abstract><p>В настоящее время на плантациях марикультуры Приморья отмечается высокая смертность приморского гребешка в возрасте 0+–2+ лет. Патологические изменения и гибель моллюсков связываются с увеличением количества садковых комплексов и высокой плотностью моллюсков на участках. Проведенные исследования показали, что у моллюсков присутствуют как паразиты, вызывающие непосредственно заболевания, так и различные группы комменсалов, оказывающих воздействие на их здоровье. Отмечены представители 8 групп организмов-обрастателей (макроводоросли, губки, асцидии, панцирные, двустворчатые и брюхоногие моллюски, полихеты, усоногие раки) и 6 групп патогенов (грибы, жгутиконосцы, ресничные инфузории, турбеллярии, различные стадии альвеолят рода Perkinsus, бактерии). Для обеспечения безопасности продукции и разработки профилактических мероприятий необходимы исследования распространенности патогенов на марикультурных участках для выявления их видового состава и количественных показателей, а также оценка паразитофауны посадочного материала, производимого на заводах и собираемого на коллекторных установках. Перевозка молоди моллюсков в пределах прибрежной зоны Приморья и ввоз ее из приграничных стран должны проходить при строгом соблюдении Ветеринарно-санитарного кодекса водных животных и регулирующих документов, действующих на территории Российской Федерации.</p></abstract><trans-abstract xml:lang="en"><p>High mortality of yesso scallop at the age of 0+–2+ is detected recently on aquaculture farms in Primorye (Japan Sea). Pathological changes and death of the mollusks are observed more and more frequently with increasing of their density and number of plantations. High values of damage and mortality of mollusks grown in cages are not caused by violation of the cultivation technology but by influence of pathogenic species. At the eastern coast of Primorye, high mortality of the scallop spat occurs because of their soft tissue detachment from the shells by alveolates of gen. Perkinsus (for instance, up to 78 % of scallops at the age of 5–6 months are damaged in the Moryak-Rybolov Bay). In Peter the Great Bay, 58–80 % of scallops at the age 2+ grown in cages have blackening, stratification and abnormal shape of shells, besides, all mollusks from the Voevoda Bight aged 2+ have large fouling (on average 8 % of their total weight). In the Nakhodka Bay, located between these areas, 60 % of the mollusks suffer both from soft tissue detachment and abnormal shape of their shells. In total, representatives of 14 groups of parasites are found in tissues and on shells of cultivated yesso scallop, including epibionts (macroalgae, sponges, ascidians, shellfish, bivalves and gastropods, polychaetes, barnacles) and pathogens (fungi, flagellates, ciliates, turbellaria, alveolates, bacteria). Some parasites are found on gills of scallops (ciliates Trichodina sp. for 22.2 % of mollusks, turbellaria for 37.1 %, flagellates for 100 %), whereas zoosporangia Perkinsus infect mantle, gills and muscle for 55.5 % of mollusks. However, the scallops collected from nature habitats in Peter the Great Bay, have no external signs of infection in the first year of life, the scallops at the age 1+ year have no lesions and changes of the shell shape, with minor exclusion, and only at the age 2+ their shells are damaged for 58–80 % of mollusks. The fouling of shell is not a direct cause of the scallops death, but contributes to their weakening and development of diseases. So far as external damages of shells are highly variable, mixed infection of cultivated mollusks can be assumed. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>приморский гребешок</kwd><kwd>патогенные организмы</kwd><kwd>болезни объектов марикультуры</kwd><kwd>смертность</kwd><kwd>Perkinsus</kwd><kwd>обрастатели</kwd><kwd>ущерб</kwd></kwd-group><kwd-group xml:lang="en"><kwd>scallop</kwd><kwd>pathogen</kwd><kwd>epibiont</kwd><kwd>mortality</kwd><kwd>Perkinsus</kwd><kwd>Primorye</kwd><kwd>Japan Sea</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают глубокую признательность старшему преподавателю Дальрыбвтуза Е.П. Бровкиной и начальнику участка марикультуры в зал. Находка Е.А. Костиной за предоставление материала.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Аниканова В.С., Бугмырин С.В., Иешко Е.П. 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