vestibИзвестия Национальной академии наук Беларуси. Серия биологических наукProceedings of the National Academy of Sciences of Belarus, Biological Series1029-89402524-230XThe Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1029-8940-2025-70-2-161-168vestib-971Research ArticleСтатьиРазмножение сибирского шримса Еxopalaemon modestus (Heller) из Капчагайского водохранилища (Республика Казахстан) в аквакультуреReproduction of Siberian shrimp Еxopalaemon modestus (Heller) from the Kapchagai reservoir (Republic of Kazakhstan) in aquacultureКулешВ. Ф.KuleshV. F.

Кулеш Виктор Федорович – д-р биол. наук, профессор

ул. Советская, 18, 220030, г. Минск

Viktor F. Kulesh – D. Sc. (Biol.), Professor

27, Sovetskaya Str., 220030, Minsk

victor_kulesh@tut.byГигинякЮ. Г.HihiniakYu. G.

Гигиняк Юрий Григорьевич – канд. биол. наук, доцент, вед. науч. сотрудник

ул. Академическая, 27, 220072, г. Минск

Yury G. Hihiniak – Ph. D. (Biol.), Leading Researcher

27, Akademicheskaya Str., 220072, Minsk

antarctida_2010@mail.ruБелорусский государственный педагогический университет имени Максима ТанкаMaxim Tank Belarusian State Pedagogical UniversityНаучно-практический центр Национальной академии наук Беларуси по биоресурсамThe Scientific and Practical Center of the National Academy of Sciences of Belarus for Bioresources202508052025702161168Copyright © Кулеш В.Ф., Гигиняк Ю.Г., 20252025Кулеш В.Ф., Гигиняк Ю.Г.Kulesh V.F., Hihiniak Y.G.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestibio.belnauka.by/jour/article/view/971

Изучены репродуктивные показатели сибирского шримса Exopalаemon modestus (Heller) из Капчагай ского водохранилища (Республика Казахстан): динамика эмбрионального развития, размеры и объем яиц. Рассчитаны уравнения, где показано, что продолжительность эмбриогенеза зависит от температуры (коэффициент детерминации R2 = 0,879) и в малой степени от длины самки (R2 = 0,311). В среднем продолжительность эмбрионального развития при средней температуре 20,6 ± 4,2 ℃ и средней длине тела самок 39,4 ± 2,2 мм составляет 26,9 ± 7,0 сут. Средние величины длины и ширины яиц на начальном этапе инкубации (яйца без глазков) составляют 1,16 ± 0,10 и 0,85 ± 0,07 мм соответственно, а объем – 0,45 ± 0,10 мм3. На завершающем этапе эмбриогенеза размерные показатели возрастают. Длина и ширина яиц с глазками увеличивается примерно в 1,2 раза, составляя в среднем 1,37 ± 0,09 и 0,98 ± 0,10 мм соответственно, а объем – 0,70 ± 0,17 мм3.

The reproductive indicators of the Siberian shrimp Exopalaemon modestus (Heller) from the Kapchagay reservoir (Republic of Kazakhstan) were studied: the dynamics of embryonic development, the size and volume of eggs. Equations were calculated showing that the duration of embryogenesis depends on temperature (coefficient of determination R2 = 0.879) and to a small extent on the length of the female (R2 = 0.311). On average, the duration of embryonic development is 26.9 ± 7.0 days at an average temperature of 20.6 ± 4.2 °C and an average body length of females of 39.4 ± 2.2 mm. The average length and width of eggs at the initial stage of incubation (eggs without eyes) are 1.16 ± 0.10 and 0.85 ± 0.07 mm, respectively, and the volume is 0.45 ± 0.10 mm3. In the final stage of embryogenesis, the size indicators increase. The length and width of eyed eggs increase by approximately 1.2 times, with an average of 1.37 ± 0.09 and 0.98 ± 0.10 mm, respectively, and the volume increases to 0.70 ± 0.17 mm3.

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The authors declare that there are no conflicts of interest present.