Fecundity and reserve of the oocytes of protoplasmatic growth in the ovaries of bream, Abramis brama (L.), females in two Konin lakes

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dc.creatorKopiejewska,W.
dc.creatorJankun,M.
dc.creatorMrowińska,I.
dc.date1993
dc.date.accessioned2024-02-06T12:47:03Z
dc.date.available2024-02-06T12:47:03Z
dc.descriptionLakes Gosławskie and Ślesińskie are two out of five Konin lakes which receive a discharge of heated effluents from “Pątnów” and “Konin” power plants. In these two lakes bream females are characterized by single portion spawning. 25% of the females tend to batch spawning. Lake Gosławskie in warmer than Lake Ślesińskie: in about 46% of bream females from this lake percentage of maturing oocytes in the ovaries was higher than in Lake Ślesińskie (and than in natural conditions), 20-38.8%. Increased temperature in Lake Ślesińskie caused intensive development of eggs in the ovaries of young females, 3-7 years old, so that they passed from the class of moderately growing to the class of rapidly growing. In Lake Gosławskie maturation of eggs in the ovaries of 4-6 year old females became even more intensive, so that they passed from the class of slowly growing to the class of more than moderately or rapidly growing ones.
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dc.identifierhttps://doi.org/10.3750/AIP1993.23.2.02
dc.identifierhttps://aiep.pensoft.net/article/25401/
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/6556
dc.languageen
dc.publisherPensoft Publishers
dc.relationinfo:eu-repo/semantics/altIdentifier/eissn/1734-1515
dc.relationinfo:eu-repo/semantics/altIdentifier/pissn/0137-1592
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightsCC BY 4.0
dc.sourceActa Ichthyologica et Piscatoria 23(2): 33-54
dc.titleFecundity and reserve of the oocytes of protoplasmatic growth in the ovaries of bream, Abramis brama (L.), females in two Konin lakes
dc.typeResearch Article
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