Published February 19, 2020 | Version v1
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HEAVY METALS ACCUMULATION IN THE SYSTEM RATTUS NORVEGICUS – HYMENOLEPIS DIMINUTA FROM INDUSTRIAL AREA IN BULGARIA

Creators

  • 1. Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Sofia, Bulgaria

Contributors

  • 1. University of Forestry, Sofia, Bulgaria

Description

Rat intestinal parasites have attracted great interest as bioindicators for environmental quality since they can bioconcentrate several heavy metals to much higher concentrations than the tissues of the hosts. Our aim was to assess the potential of the cestode Hymenolepis spp. as a bioindicator for heavy metal pollution in an industrial area of the town of Maglizh, Bulgaria. The level of Zn, Mn, Cu, Pb and Cd was detected in the livers of rats and in the cestode. A bioconcentration factor (BF), Concentration parasite/Concentration liver, was de-termined. A high BF was observed for Cd, Pb and Mn. The results revealed that Hymenolepis spp. has much great ability to bioaccumulate heavy metals compared with their final hosts. Therefore, the system Rattus norvegicus- Hymenоlepis spp. could be a very useful tool for environmental monitoring of the terrestrial areas.

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