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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">vetpatol</journal-id><journal-title-group><journal-title xml:lang="ru">Ветеринарная патология</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Journal of Veterinary Pathology</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-4826</issn><publisher><publisher-name>Don State Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.23947/2949-4826-2025-24-3-26-33</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpatol-2041</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>Патология животных, морфология, физиология, фармакология и токсикология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Animal pathology, morphology, physiology, pharmacology and toxicology</subject></subj-group></article-categories><title-group><article-title>Субхроническая токсичность инсектоакарицидного средства на основе D-цифенотрина, пиперонилбутоксида и пирипроксифена при наружном применении у яичных цыплят</article-title><trans-title-group xml:lang="en"><trans-title>Subchronic Toxicity of D-Cyphenothrin-, Piperonyl Butoxide- and Pyriproxyfen-Based Insecticide-Acaricide upon Its External Use in Laying Chickens</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3294-6119</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Индюхова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Indyuhova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгения Николаевна Индюхова, кандидат биологических наук, зам. зам. руководителя по инновационной деятельности филиала</p><p>117218, г. Москва, ул. Б. Черемушкинская, д. 28</p></bio><bio xml:lang="en"><p>Evgenia N. Indyuhova, Cand.Sci. (Biology), Deputy Director for Innovations</p><p>28, Bolshaya Cheremushkinskaya st, Moscow, 117218</p></bio><email xlink:type="simple">indyuhova@vniigis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт фундаментальной и прикладной паразитологии животных и растений – филиал Федерального государственного бюджетного научного учреждения «Федеральный научный центр – Всероссийский научно-исследовательский институт экспериментальной ветеринарии имени К.И. Скрябина и Я.Р. Коваленко Российской академии наук»,</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Research Institute of Fundamental and Applied Parasitology of Animals and Plants – Branch of the Federal State Budgetary Scientific Institution “Federal Scientific Center – All-Russian Research Institute of Experimental Veterinary Medicine (VIEV) Named after K.I. Skryabin and Ya.R. Kovalenko of the Russian Academy of Sciences”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2025</year></pub-date><volume>24</volume><issue>3</issue><fpage>26</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Индюхова Е.Н., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Индюхова Е.Н.</copyright-holder><copyright-holder xml:lang="en">Indyuhova E.N.</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.vetpat.ru/jour/article/view/2041">https://www.vetpat.ru/jour/article/view/2041</self-uri><abstract><p>Введение. Внедрение безопасных и эффективных инсектоакарицидных средств с возможностью их применения в присутствии птиц при эктопаразитозах особенно актуально для яичного птицеводства. Разработка и внедрение новых препаратов в ветеринарную практику — сложный процесс, требующий всесторонних доклинических исследований. Цель работы — изучение субхронической токсичности нового противопаразитарного средства на основе D-цифенотрина, пиперонилбутоксида и пирипроксифена и его влияния на гомеостаз яичных цыплят при наружном применении.Материалы и методы. Исследование субхронической токсичности средства на основе D-цифенотрина, пиперонилбутоксида и пирипроксифена было проведено в 2024 г. на Подольской опытно-производственной базе ВНИИП – филиала ФГБНУ ФНЦ ВИЭВ РАН (г. Москва). 15 цыплят кросса Хайсекс Уайт были разделены на три группы по пять голов в каждой. Перед каждой обработкой 5,0 %-ный препарат разводили водой в соотношении 1:1000. Условно за терапевтическую дозу принимали 10,0 мл на 0,3 кг массы тела птицы. В двух опытных группах птиц обрабатывали мелкокапельным опрыскиванием с помощью помпового опрыскивателя в дозах 33,3 мл/кг и 100,0 мл/кг соответственно. Цыплят из третьей контрольной группы не обрабатывали. Обработки 0,005 %-ной водной эмульсией лекарственного препарата проводили 6 раз с интервалом 48 ч. Контролировали у цыплят в динамике массу, температуру тела, некоторые гематологические и биохимические показатели крови, а также учитывали особенности поведения, приема корма и воды.Результаты исследования. Достоверные изменения массы тела у птиц из двух опытных групп отсутствовали. Статистически значимых изменений не выявлено при анализе температуры тела у цыплят в течение всего эксперимента по сравнению с контролем. У цыплят из второй опытной группы в результате 6-кратного применения увеличенной дозы препарата выявлены дестабилизация показателей системы красной крови и снижение интенсивности белкового обмена, однако указанные изменения носили обратимый характер. Соответственно, дозу 100,0 мл/кг можно считать пороговой, а 33,3 мл/кг — недействующей (безопасной).Обсуждение и заключение. На фоне 6-кратного применения 0,005 %-ной водной эмульсии нового комбинированного инсектоакарицидного средства в дозе 100,0 мл/кг описаны статистически значимые изменения некоторых показателей крови у цыплят, однако они носили обратимый характер. Учитывая трехкратное увеличение терапевтической дозы в эксперименте, у препарата имеется гарантия безопасного наружного применения в широком диапазоне доз. Исходя из этого можно утверждать, что при противопаразитарных обработках использование 0,005 %-ной водной эмульсии комбинированного препарата в дозе 33,3 мл/кг будет безопасно для птиц.</p></abstract><trans-abstract xml:lang="en"><p>Introduction. Implementation of safe and efficient insecticides-acaricides suitable for using in the presence of poultry infected with ectoparasites is particularly relevant for poultry farming specializing in egg production. The development and implementation of new medicinal products into veterinary practice is a complicated process requiring comprehensive preclinical studies. The objective of this research is to investigate the subchronic toxicity of a new D-cyphenothrin-, piperonyl butoxide-, and pyriproxyfen-based antiparasitic product and the effect of its external use on homeostasis in egg-laying chickens.Materials and Methods. A subchronic toxicity study of the D-cyphenothrin-, piperonyl butoxide- and pyriproxyfen-based medicinal product was conducted in 2024 at Podolsk Experimental and Production Base of the All-Russian Research Institute of Fundamental and Applied Parasitology of Animals and Plants – Branch of the Federal State Budgetary Scientific Institution “Federal Scientific Center – All-Russian Research Institute of Experimental Veterinary Medicine (VIEV) of the Russian Academy of Sciences. Fifteen Hisex White chickens were divided into three groups of five birds each. Before each treatment, a 5.0% solution of the product was diluted in water at a ratio of 1:1000. A dose of 10.0 ml per 0.3 kg of body weight was assumed to be a therapeutic dose. Birds in the two experimental groups were treated in dosage of 33.3 ml/kg and 100.0 ml/kg, respectively, using a fine-mist spray pump. Chickens from the third control group were not treated. Treatment with a 0.005% aqueous emulsion of the medicinal product was carried out 6 times with an interval of 48 hours. The dynamics of changes in chicken weight, body temperature, some hematological and biochemical blood parameters was monitored, along with the features of behavior, feed and water intake.Results. No significant changes in body weight in birds from the two experimental groups were recorded. Compared to the control group, no statistically significant changes in body temperature of chickens were revealed throughout the experiment. Six-fold application of the increased dose of the medicinal product resulted in destabilization of red blood cell parameters and decrease of protein metabolism in chickens from the second experimental group; however, these changes were reversible. Accordingly, a dose of 100.0 ml/kg can be assumed a threshold dose of no observed adverse effect level (NOAEL), and 33.3 ml/kg can be assumed a safe one of no observed effect level (NOEL).Discussion and Conclusion. Statistically significant changes in some blood parameters in chickens were observed after six applications of a 0.005% aqueous emulsion of the new combined insecticide-acaricide at a dose of 100.0 ml/kg. However, these changes were reversible. Taking into account the threefold increase of the therapeutic dose in the experiment, the product proved to have a wide range of safe dosages for external use. Therefore, the antiparasitic treatment with the 0.005% aqueous emulsion of the combined product in dosage of 33.3 ml/kg can be ascertained safe for poultry.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>инсектоакарицидное средство</kwd><kwd>субхроническая токсичность</kwd><kwd>D-цифенотрин</kwd><kwd>пиперонилбутоксид</kwd><kwd>пирипроксифен</kwd><kwd>цыплята</kwd><kwd>доклинические исследования</kwd></kwd-group><kwd-group xml:lang="en"><kwd>insecticide-acaricide product</kwd><kwd>subchronic toxicity</kwd><kwd>D-cyphenothrin</kwd><kwd>piperonyl butoxide</kwd><kwd>pyriproxyfen</kwd><kwd>chickens</kwd><kwd>preclinical studies</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">Küntüz T, Güneş Y, Sarı AB, Keleş OÜ. Navigating the Resistance: Current Perspectives on Ectoparasite Control in Veterinary Medicine. 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