Evaluation of the Sub-lethal Toxicity of Bleached Kraft Pulp Mill Effluent to Carassius auratus and Dicentrarchus labrax
作者： Mário S. Diniz , Ruth Pereira , Ana C. Freitas , Teresa A. P. Rocha-Santos , Luisa Castro
DOI: 10.1007/S11270-010-0565-Z
关键词:
摘要: The effluents from bleached Kraft pulp mill (BKME) and paper industry are toxic to different aquatic organisms being an important source of contamination environments due the presence several chemicals produced during production pulp. main objective present study was evaluate exposure effects a secondary-treated BKME in two species fish: Carassius auratus Dicentrarchus labrax. Both were exposed concentrations effluent (1%, 10%, 25%, 50%, 100%) semi-static tests under controlled laboratory conditions. At end experimental period (21 days), samples livers collected for CYP1A determination histopathological evaluation. results show significant changes (p < 0.05) induction carp 50% sea bass 25% effluent. Histopathological alterations also observed according tested suggesting that cause damage organisms.
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