Lead and Cadmium Levels in Muscle, Liver, and Kidney of Scaup Aythya marila from Szczecin Lagoon, Poland
Elżbieta Kalisińska1, Wiesław Salicki2
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1Department of Biology and Medical Parasitology, Pomeranian Medical University,
Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
2Department of Zoology and Apiculture, West Pomeranian University of Technology,
Doktora Judyma 20, Szczecin 71-466, Poland
Pol. J. Environ. Stud. 2010;19(6):1213-1222
Concentrations of lead (Pb) and cadmium (Cd) were determined in breast muscle, liver, and kidney of adult scaups (Aythya marila) wintering in the Polish part of Szczecin Lagoon (southwestern Baltic) in 2002 (n=17) and 2004 (n=17). Significant discrepancies were observed for Cd, but not Pb concentrations in all the tissues between 2002 and 2004. Geometric means of Pb levels were calculated for all the analyzed birds (except one, n=33). Concentrations of Pb were similar in muscle, liver, and kidney (2.29, 2.38, 2.55 mg/kg dry weight, dw, respectively). Concentrations of Cd in the examined materials differed significantly (muscle, liver, kidney 0.27, 2.59, 10.31 mg/kg dw, respectively). Performed analysis of Pb and Cd concentrations in these eatable parts of duck showed exceeded maximum levels of toxic metals determined for foodstuffs in EU document No. 1881/2006. Concentrations exceeding maximum levels were detected in 65-100% of the samples (depending upon the examined material), most frequently in the case of Pb in the muscle.
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