Scientific Reports of the National University of Life and Environmental Sciences of Ukraine

Content of heavy metals in tsyogorychk fishery of Dnipropetrovsk region

P. Korzhenevska, Т. Sharamok, О. Marenkov
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Abstract

The aim of the study was to determine the characteristics of the accumulation of heavy metals (Pb, Cd, Mn, Cu, Fe, Zn) in young carp fish in ponds of Dnipropetrovsk region. The object of research was this year's scaly carp and silver carp, which were grown in the Tarom and Krynychany fisheries The concentration of heavy metals in the samples was determined on an atomic absorption spectrophotometer C115-M1. The results of toxicological study of water show that the content of Pb and Fe in both fish farms was within the maximum allowable concentrations (SOU, 2006). The content of Cd in the water of the Krynychany fish farm was 2 times higher than the maximum concentration limit, and the level of Cd concentration in the water of the Tarom pond was within the norms. The level of Zn content in both fish farms exceeded the maximum allowable concentrations by almost 3 times. The concentration of Cu exceeded the MPC in the water of both studied farms: in Tarom farm 5 times, in Krynychansky – 14 times. In the water of the Tarom fish farm the level of Mn content was 3 times higher than the MPC. Comparative analysis of the data revealed that in the carcasses of the same-age fish of the studied farms the highest concentration of heavy metals belonged to Fe and Zn, the lowest – Сd. The obtained results can contribute to the effective scientific support of the development of aquaculture in the region and can be used to further assess the quality and general condition of carp fish stock

Keywords

heavy metals, juveniles, carp, silver carp, fishery

Suggested citation
Korzhenevska, P., Sharamok, Т., & Marenkov, О. (2021). Content of heavy metals in tsyogorychk fishery of Dnipropetrovsk region. Scientific Reports of the National University of Life and Environmental Sciences of Ukraine, 17(2),3-12. https://doi.org/10.31548/dopovidi2021.02.001
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