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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">koz</journal-id><journal-title-group><journal-title xml:lang="ru">"Вестник Северо-Казахстанского университета имени Манаша Козыбаева"</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Manash Kozybayev North Kazakhstan University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2958-003X</issn><issn pub-type="epub">2958-0048</issn><publisher><publisher-name>М. Қозыбаев атындағы СҚУ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">koz-43</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>ЕСТЕСТВЕННЫЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NATURAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>СОСТАВ КОРМОВ И ОСОБЕННОСТИ ПИТАНИЯ ОНДАТРЫ НА ВОДОЕМАХ СЕВЕРО-КАЗАХСТАНСКОЙ ОБЛАСТИ</article-title><trans-title-group xml:lang="en"><trans-title>FOOD COMPOSITION AND FEATURES OF THE MUSKRAT’S FEEDING IN THE WATER BODIES OF NORTH KAZAKHSTAN OBLAST</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>Вилков</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Vilkov</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Петропавловск</p></bio><bio xml:lang="en"><p>Petropavlovsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Першуткина</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Pershutkina</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Петропавловск</p></bio><bio xml:lang="en"><p>Petropavlovsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Паулаускас</surname><given-names>А.</given-names></name><name name-style="western" xml:lang="en"><surname>Paulauskas</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Каунас</p></bio><bio xml:lang="en"><p>Kaunas</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">СКГУ им. М. Козыбаева<country>Казахстан</country></aff><aff xml:lang="en">NKSU named after M. Kozybaev<country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Университет Витаутаса Магнуса<country>Литва</country></aff><aff xml:lang="en">Vytautas Magnus University<country>Lithuania</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2021</year></pub-date><volume>0</volume><issue>4 (41)</issue><fpage>11</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Вилков В.С., Першуткина М.А., Паулаускас А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Вилков В.С., Першуткина М.А., Паулаускас А.</copyright-holder><copyright-holder xml:lang="en">Vilkov V.S., Pershutkina M.A., Paulauskas 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://vestnik.ku.edu.kz/jour/article/view/43">https://vestnik.ku.edu.kz/jour/article/view/43</self-uri><abstract><p>Рассматриваются вопросы питания ондатры на водоемах области. Приводятся результаты исследования состава потребляемых кормов для различных водоемов. Установлено, что из более чем 20 обнаруженных компонентов основными видами кормов являются всего 4, которые отмечены в 100% желудков и занимали от 73 до 100% его объема. Отмечается соответствие преобладающих объектов питания фоновым видам растительности на озерах. Основным видом корма на водоемах является тростник, который в среднем по всем обследованным озёрам составил 62,3% от общего количества поедаемой растительности. Рогоз и сусак являются практически одинаково значимой для ондатры пищей – они составили 28,8% и 27,1%, соответственно. Другие виды кормов не превышали 21,5%, а животные всего 1,2%. Были отмечены факты поедания ондатрой животного корма. В частности, в желудках 3 особей обнаружены фрагменты раковин моллюсков и плавников молоди рыб. Установлено соотношение потребляемых кормов и веса зверьков. Его отношение к весу тела колеблется в пределах от 2,31 до 3,76. Сделаны ориентировочные расчеты потребления кормов ондатрой в зимний период (7 месяцев) показали, что одна особь за это время потребляет не менее 54–55 кг, а семья из 5 особей – 270–275 кг. В тоже время, продуктивность корневищ тростника составляет около 350–450 кг.</p></abstract><trans-abstract xml:lang="en"><p>Delivery questions of a muskrat on area reservoirs are considered. Results of a research of structure of the consumed forages for various reservoirs are given. It is established that from more than 20 found components main types of forages are only 4 which are noted in 100% of stomachs and occupied from 73 to 100% of its volume. Compliance of the prevailing delivery objects to background species of vegetation on lakes is noted. Main type of forage on reservoirs is typha which on average in all surveyed lakes made 62.3% of total number of the eaten vegetation. Typha and flowering rush are food, almost equally significant for a muskrat; – they made 28.8% and 27.1%, respectively. Other types of forages didn't exceed 21.5%, and animal only 1.2%. The eating facts were noted by a muskrat of animal forage. In particular, in stomachs of 3 individuals fragments of sinks of mollusks and fins of juveniles of fishes are found. The ratio of the consumed forages and weight of small animals is established. Its relation to body weight fluctuates ranging from 2.31 up to 3.76. Approximate calculations of consumption of forages a muskrat during the winter period (7 months) are made showed that one individual during this time consumes not less than 54–55 kg, and family of 5 individuals – 270–275 kg. In too time, efficiency of rhizomes of typha makes about 350–450 kg.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ондатра</kwd><kwd>питание</kwd><kwd>корма</kwd><kwd>растительность</kwd><kwd>тростник</kwd><kwd>кормовые ресурсы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>muskrat</kwd><kwd>food</kwd><kwd>feeding</kwd><kwd>vegetation</kwd><kwd>cane</kwd><kwd>food resources</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">O‘Neil T., 1949. The muskrat in the Louisiana coastal marshes. Louisiana Department of Wildlife and Fisheries: 152 pp.</mixed-citation><mixed-citation xml:lang="en">O‘Neil T., 1949. The muskrat in the Louisiana coastal marshes. 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