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A negative correlation between mercury content in muscle and body weight in carp from uncontaminated ponds

Author

Listed:
  • Lenka Sedláčková

    (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)

  • Jiří Jarkovský

    (Institute of Biostatistics and Analyses, Faculty of Medicine and Faculty of Science, Masaryk University, Brno, Czech Republic)

  • Jiří Kalina

    (Institute of Biostatistics and Analyses, Faculty of Medicine and Faculty of Science, Masaryk University, Brno, Czech Republic)

  • Gorzyslaw Poleszczuk

    (Chair of Chemistry, Faculty of Natural Sciences, Szczecin University, Szczecin, Poland)

  • Zdeňka Svobodová

    (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)

Abstract

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.

Suggested Citation

  • Lenka Sedláčková & Jiří Jarkovský & Jiří Kalina & Gorzyslaw Poleszczuk & Zdeňka Svobodová, 2015. "A negative correlation between mercury content in muscle and body weight in carp from uncontaminated ponds," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 33(3), pages 204-209.
    • Handle: RePEc:caa:jnlcjf:v:33:y:2015:i:3:id:165-2014-cjfs
    DOI: 10.17221/165/2014-CJFS
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