ISSN 2285-5750, ISSN CD-ROM 2285-5769, ISSN-L 2285-5750, ISSN Online: 2393 – 2260
 

CIRCULATION OF CADMIUM (CD) IN THE SYSTEM ALBURNUS ALBURNUS (LINNAEUS, 1758), WATER AND SEDIMENTS FROM THE DANUBE RIVER, NORTHWESTERN BULGARIA

Published in Scientific Papers. Series D. Animal Science, Vol. LXIV, Issue 1
Written by Petya ZAHARIEVA, Diana KIRIN

In 2020, 30 specimens of bleak (Alburnus alburnus Linnaeus, 1758), 3 samples of water and 3 samples of sediments were collected from the Danube River (Kudelin) in the northwestern part of the Republic of Bulgaria. Samples of water and sediments, of tissues/ organs (liver, skin and muscles) of bleak were investigated for the presence of cadmium (Cd). The concentrations of Cd in the studied tissues/ organs of Alburnus alburnus decreased as follows: liver (CCd = 1.38 ± 0.55 mg.kg-1 wet weight) > skin (CCd = 0.50 ± 0.18 mg.kg-1 wet weight) > muscles (CCd = 0.09 ± 0.05 mg.kg-1 wet weight). The reported concentrations of Cd in water samples are CCd = 0.008 ± 0.006 mg.l-1, and in sediments samples CCd = 1.55 ± 2.35 mg.kg-1 dry weight.

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© 2019 SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE. To be cited: SCIENTIFIC PAPERS. SERIES D. ANIMAL SCIENCE.

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