期刊
TOXICOLOGICAL AND ENVIRONMENTAL CHEMISTRY
卷 97, 期 2, 页码 200-207出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02772248.2015.1031668
关键词
permethrin; cadmium; bioaccumulation; zebra cichlid
The aim of this study was to evaluate the synergistic and antagonistic effects of permethrin on the bioaccumulation of cadmium in zebra cichlid (Cichlasoma nigrofasciatum). Zebra cichlid was exposed to various sublethal concentrations of permethrin combined with cadmium chloride for 15 days. Although at the lowest concentrations, permethrin (0.40 mu g L-1) decreased the bioconcentration potential of cadmium in fish, bioaccumulation of cadmium increased along with increasing concentrations of permethrin (0.80-1.20 mu g L-1). However, the magnitude of changes in the accumulation of cadmium in the fishes simultaneously exposed to 1.60 mu g L-1 permetrin and cadmium chloride was similar to the cadmium levels observed in fishes after exposure to the cadmium chloride alone. The results of this study suggest that the synergistic effects of permethrin on the bioaccumulation of cadmium highly depend on the concentrations of this pesticide in water.
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