Effect of intestinal tapeworm clestobothrium crassiceps on concentrations of toxic elements and selenium in european hake merluccius merluccius from the Gulf of Lion (Northwestern Mediterranean Sea)
| Autor: | Jordi Miquel, Catarina Eira, Margarida Casadevall, Jordi Torres, Dolors Ferrer-Maza, Eulàlia Delgado |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Cestoda
chemistry.chemical_element Zoology Arsenic Merluccius helminth parasite/host interaction Fish Diseases Selenium Mediterranean sea Hake Merluccius merluccius Metals Heavy Mediterranean Sea Animals Intestinal Mucosa heavy metals biology Gadiformes Mercury General Chemistry Cestode Infections biology.organism_classification Clestobothrium crassiceps Intestines Fishery chemistry Spain Bioaccumulation General Agricultural and Biological Sciences Water Pollutants Chemical |
| Zdroj: | Repositório Científico de Acesso Aberto de Portugal Repositório Científico de Acesso Aberto de Portugal (RCAAP) instacron:RCAAP |
| Popis: | The capacity for heavy metal bioaccumulation by some fish parasites has been demonstrated, and their contribution to decreasing metal concentrations in tissues of parasitized fish has been hypothesized. The present study evaluated the effect of the cestode Clestobothrium crassiceps on the accumulation of trace elements in 30 European hake, Merluccius merluccius, in Spain (half of them infested by C. crassiceps). Tissue samples from all M. merluccius and specimens of C. crassiceps from the infected hakes were collected and stored until element analysis by inductively coupled plasma mass spectrometry (ICP-MS). Arsenic, mercury, and selenium were generally present in lower levels in the cestode than in all hake tissues. The mean value of the muscular Se:Hg molar ratio in the infested subsample was higher than that in hakes without cestodes. Values indicate that the edible part of infested hakes presents a lower amount of Cd and Pb in relation to noninfested hakes. |
| Databáze: | OpenAIRE |
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