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Some aspects of facilitating cultivation efficiency of the Don sterlet (Acipenser ruthenus) on sturgeon-rearing farms of the Azov and Don Region

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Author
Gorbacheva, L.T.
Gorbenko, E.V.
Panchenko, M.G.
Vorob'eva, O.A.
Pavlyuk, A.A.
Publication Editor
Belousov, V.N.
Date
2019

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Alternative Title
Некоторые аспекты проблемы повышения эффективности разведения донской стерляди (Acipenser ruthenus) на ОРЗ Азово-Донского района
Abstract
The results of long-term studies on elaboration of biological and technological practices of artificial reproduction of the Don sterlet in the context of fish farms of the Azov and Don Region, aimed at the reduction of losses of the fish breeding material at different stages of cultivation, are presented. During the experiments, selection of females by weight was done, thermal factor when dealing with breeders was optimized, and the dosage of maturation and oocyte ovulation stimulants was identified. The results were evaluated in terms of ovulation timing in mature reproductive products, of the their fertilization rate, of the fecundity of females, of the survival rate of embryos, and of the number of 1-day larvae per one female in test and control groups. At present, the obtained results are successfully applied in the context of commercial cultivation of sterlet in the Azov and Don Region.
Приведены результаты многолетних исследований по совершенствованию биотехнических приемов искусственного воспроизводства донской стерляди в условиях рыборазводных предприятий Азово-Донского района с целью сокращения потерь рыбоводного сырья на различных этапах разведения. В период проведения экспериментальных работ осуществлялся подбор самок по массе; оптимизация температурного фактора на этапе работы с производителями и определение дозировки стимуляторов созревания и овуляции ооцитов. О результатах судили по своевременности овуляции зрелых половых продуктов, степени их оплодотворяемости, плодовитости самок, выживаемости эмбрионов, количеству однодневных личинок на одну самку в опыте и контроле. В настоящее время полученные результаты эффективно используются при промышленном разведении стерляди Азово-Донском регионе.
Journal
AzNIIRKH Proceedings
Volume
2
Page Range
pp.178-183
Resource/Dataset Location
http://azniirkh.ru/publikatsii/trudyi-azniirh-rezultatyi-ryibohozyaystvennyih-issledovaniy-v-azovo-chernomorskom-basseyne/
URI
http://hdl.handle.net/1834/16266
Collections
AzNIIRKH Proceedings 2019

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