Czech J. Food Sci., 2015, 33(3):204-209 | DOI: 10.17221/165/2014-CJFS

A negative correlation between mercury content in muscle and body weight in carp from uncontaminated pondsFood Technology and Economy, Engineering and Physical Properties

Lenka Sedláčková1, Jiří Jarkovský2, Jiří Kalina2, Gorzyslaw Poleszczuk3, Zdeňka Svobodová1
1 Department of Public Veterinary Medicine and Animal Welfare, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences in Brno, Brno, Czech Republic
2 Institute of Biostatistics and Analyses, Faculty of Medicine and Faculty of Science, Masaryk University, Brno, Czech Republic
3 Chair of Chemistry, Faculty of Natural Sciences, Szczecin University, Szczecin, Poland

The relationship between body weight and total mercury content in the muscle of common carp (Cyprinus carpio) from 13 uncontaminated ponds in South and West Bohemia was investigated. In total, 215 three-years-old marketable carps and 26 samples of bottom sediment were analysed. Total mercury contents (THg) in muscle and sediments were determined using an single-purpose atomic absorption spectrophotometer. The correlation between body weight and mercury content in muscle was found to be negative and statistically significant (Pearson correlation: rp = -0.269, P < 0.001). THg content in muscle significantly decreased as the body weight of carp from uncontaminated ponds increased. This is likely due to the intensive weight gain of marketable carp.

Keywords: Cyprinus carpio; total mercury; sediment

Published: June 30, 2015  Show citation

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Sedláčková L, Jarkovský J, Kalina J, Poleszczuk G, Svobodová Z. A negative correlation between mercury content in muscle and body weight in carp from uncontaminated ponds. Czech J. Food Sci. 2015;33(3):204-209. doi: 10.17221/165/2014-CJFS.
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