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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2026-2-14</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-3720</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>БИОЛОГИЧЕСКИЕ РЕСУРСЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGICAL RESOURCES</subject></subj-group></article-categories><title-group><article-title>Прогнозирование рахита у молодняка крупного рогатого скота с помощью интеллектуальной системы бесконтактной оценки экстерьерных показателей взрослых животных</article-title><trans-title-group xml:lang="en"><trans-title>Prediction of rickets in young cattle using an intelligent system for contactless assessment of the external parameters of adult animals</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8799-3268</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамонтова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamontova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна В. Мамонтова, кандидат сельскохозяйственных наук, старший научный сотрудник, лаборатория «Цифровой мониторинг сельскохозяйственных животных»</p><p>109428 г. Москва, 1‐й Институтский проезд, 5</p><p>Тел. +79283189633</p></bio><bio xml:lang="en"><p>Tatyana V. Mamontova, Candidate of Agricultural Sciences, Senior Researcher, Laboratory 9.5 for Digital Livestock Monitoring</p><p>5 1st Institutsky Proezd, Moscow, 109428</p><p>Tel. +79283189633</p></bio><email xlink:type="simple">mamontova.2024@inbox.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/0000-0002-2511-7526</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Юрочка</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Yurochka</surname><given-names>S. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей С. Юрочка</p><p>109428 г. Москва, 1‐й Институтский проезд, 5</p></bio><bio xml:lang="en"><p>Sergey S. Yurochka</p><p>5 1st Institutsky Proezd, Moscow, 109428</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2480-5754</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Владимиров</surname><given-names>Ф. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Vladimirov</surname><given-names>F. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Федор Е. Владимиров</p><p>109428 г. Москва, 1‐й Институтский проезд, 5</p></bio><bio xml:lang="en"><p>Fedor E. Vladimirov</p><p>5 1st Institutsky Proezd, Moscow, 109428</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3028-5081</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Базаев</surname><given-names>С. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Bazaev</surname><given-names>S. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Савр О. Базаев</p><p>109428 г. Москва, 1‐й Институтский проезд, 5</p></bio><bio xml:lang="en"><p>Savr O. Bazaev</p><p>5 1st Institutsky Proezd, Moscow, 109428</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4332-9274</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хакимов</surname><given-names>А. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Khakimov</surname><given-names>A. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Артем Р. Хакимов</p><p>109428 г. Москва, 1‐й Институтский проезд, 5</p></bio><bio xml:lang="en"><p>Artem R. Khakimov</p><p>5 1st Institutsky Proezd, Moscow, 109428</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральный научный агроинженерный центр ВИМ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Centre Agro Engineering, All Russian Institute of Mechanisation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>03</day><month>08</month><year>2026</year></pub-date><volume>21</volume><issue>2</issue><elocation-id>162‐173</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Мамонтова Т.В., Юрочка С.С., Владимиров Ф.Е., Базаев С.О., Хакимов А.Р., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мамонтова Т.В., Юрочка С.С., Владимиров Ф.Е., Базаев С.О., Хакимов А.Р.</copyright-holder><copyright-holder xml:lang="en">Mamontova T.V., Yurochka S.S., Vladimirov F.E., Bazaev S.O., Khakimov A.R.</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://ecodag.elpub.ru/ugro/article/view/3720">https://ecodag.elpub.ru/ugro/article/view/3720</self-uri><abstract><p>Провести поиск зависимостей между биохимическими показателями крови стельных коров и развитием рахита у новорожденных телят для оценки возможности построения прогноза и профилактики данного заболевания.Исследование проведено на 32 стельных коровах зебувидного типа черно‐пестрой породы и их потомстве (n=30). У коров за 50 и 14 дней отела и у телят в возрасте 0, 1, 3 и 6 месяцев исследовали показатели кальций‐фосфорного обмена и уровень витамина D. Концентрация витамина D у коров оказалась критически низкой (13.43–13.47 нг/мл при норме 28–35 нг/мл), а соотношение Ca:P не соответствовало норме (1.36:1 и 1.2:1 при норме 1.5–2:1). У телят при рождении уровень витамина D был на 80 % ниже нормы, а у 80 % молодняка в первый месяц жизни были выявлены признаки рахита.Выявлена сильная положительная корреляция между уровнем витамина D у коров за 50 и 14 дней до отела и его уровнем у телят при рождении (r= +0.751 и r= +0.709 соответственно). Обнаружена устойчивая средняя отрицательная корреляция между уровнем кальция у коров и активностью щелочной фосфатазы у телят. Однако коэффициент детерминации (R2) для большинства связей был низким (11–39 %), что указывает на слабое влияние изучаемых параметров.Установлено, что показатели кальций‐фосфорного обмена у стельных коров не обладают высокой прогностической ценностью для достоверного прогнозирования риска развития рахита у потомства. На основании результатов признано нецелесообразным использовать эти параметры для прогноза рахита в системе бесконтактной оценки животных.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of this study was to find the relationship between biochemical parameters of blood of pregnant cows and the development of rickets in newborn calves in order to assess the possibility of prognosis and prevention of this disease.The study was conducted on 32 pregnant zebu‐type Black‐and‐White cows and their offspring (n=30). Calcium‐phosphorus metabolism indicators and vitamin D levels were evaluated in the cows at 50 and 14 days pre‐calving, and in calves at 0, 1, 3, and 6 months of age.The concentration of vitamin D in cows turned out to be critically low (13.43–13.47 ng/ml at a rate of 28–35 ng/ml), and the ratio of Ca: The P did not correspond to the norm (1.36:1 and 1.2:1 with a norm of 1.5–2:1). The calves had vitamin D levels 80 % below normal at birth, and 80 % of the young showed signs of rickets in the first month of life. A strong positive correlation was found between the level of vitamin D in cows 50 and 14 days before calving and its level in calves at birth (r= +0.751 and r= +0.709, respectively). A stable average negative correlation was found between the level of calcium in cows and the activity of alkaline phosphatase in calves. However, the coefficient of determination (R2) for most bonds was low (11–39 %), which indicates a weak influence of the studied parameters.It was found that the indicators of calcium‐phosphorus metabolism in pregnant cows do not have a high prognostic value for reliable prediction of the risk of rickets in offspring. Based on the results, it was considered inappropriate to use these parameters for the prediction of rickets in a contactless animal assessment system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Рахит</kwd><kwd>крупный рогатый скот</kwd><kwd>молодняк</kwd><kwd>витамин D</kwd><kwd>кальций‐фосфорный обмен</kwd><kwd>щелочная фосфатаза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Rickets</kwd><kwd>cattle</kwd><kwd>young animals</kwd><kwd>vitamin D</kwd><kwd>calcium‐phosphorus metabolism</kwd><kwd>alkaline phosphatase</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 23‐76‐10041, https://rscf.ru/project/23‐76‐10041/</funding-statement><funding-statement xml:lang="en">The study was supported by a grant from the Russian Science Foundation N 23‐76‐10041, https://rscf.ru/project/23‐76‐10041/</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">Зуев Н.П., Лопатин В.Т., Скогорева А.М., Попова О.В., Крутов И.О., Шутиков В.А., Тучков Н.С. 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