Relevant aspects of studying the biology and productivity of freshwater fish

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dc.contributor.authorMatviienko, Tetiana I.en
dc.contributor.authorМатвієнко, Тетяна Іванівнаuk
dc.date.accessioned2026-03-09T08:20:51Z
dc.date.available2026-03-09T08:20:51Z
dc.date.issued2025
dc.description.abstractModern fish farming is one of the key branches of aquaculture, providing the population with high-quality protein products of animal origin. Effective freshwater fish farming is impossible without a deep understanding of fish biology, the patterns of their growth, development, feeding, and reproduction. The relevance of studying these aspects is determined by the need to increase the productivity of water bodies, optimize rearing technologies, and preserve the biodiversity of aquatic ecosystems. The biology of freshwater fish encompasses a wide range of issues — from morphology and physiology to behavior and adaptations to different habitats. Particular importance is given to the study of growth processes, metabolism, reproduction, and responses to environmental factors. Growth rate and feed conversion efficiency depend on the fish species, water temperature, oxygen concentration, chemical composition of the environment, and feeding level. The study of biological characteristics allows the formation of species-specific maintenance regimes, determination of optimal feeding parameters, and development of methods to stimulate growth. Growth and development rates are closely related to water quality. Temperature, dissolved oxygen, concentrations of ammonia, nitrites and nitrates, and pH are key parameters determining the physiological state of fish. In particular, oxygen deficiency leads to hypoxia, reduced appetite, and slower metabolism, whereas optimal conditions promote intensive growth and lower mortality rates.en
dc.identifier.citationMatviienko T. I. Relevant aspects of studying the biology and productivity of freshwater fish. Екологічний стан навколишнього середовища та раціональне природокористування в контексті сталого розвитку : матеріали VIІI Міжнар. наук.-практ. конф. (Херсон. 30–31 жовт. 2025 р.) до дня пам’яті д-ра с.-г. наук, проф. Пилипенка Юрія Володимировича. Одеса : Олді+, 2025. С. 186–189.en
dc.identifier.urihttps://dspace.onu.edu.ua/handle/123456789/43690
dc.language.isoen
dc.publisherОлді-Плюсuk
dc.subjectfish farmingen
dc.subjectaquacultureen
dc.subjectfreshwater fishen
dc.subjectfish biologyen
dc.subjectfish feed compositionen
dc.subjectbiological characteristics of fishen
dc.subjectfish productivityen
dc.subjectfreshwater fish biodiversity conservationen
dc.titleRelevant aspects of studying the biology and productivity of freshwater fishen
dc.typeArticleen
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