Abstract:
:The purpose of this study was to evaluate the effects of bleached kraft mill effluent on selected physiological and hematological endpoints in fingerling largemouth bass (Micropterus salmoides). Fish were exposed for 35 days to surface water collected at sites up- and downstream from a pulp and paper mill treatment-effluent discharge. The condition factor, spleen somatic index, and pronephros cellularity were statistically significantly decreased in fish exposed to the downstream site, compared to the upstream site. There was also a shift from lymphocytes to neutrophils in peripheral blood of fish exposed to the downstream site. Hematocrit values and the liver somatic index were statistically significantly increased in fish in the downstream exposure. These results indicate that in-stream exposure to elemental-chlorine-free pulp and paper mill effluents produce a generalized stress response, leading to potential immunosuppression in fish.
journal_name
Drug Chem Toxicoljournal_title
Drug and chemical toxicologyauthors
Baer KN,Bankston CR,Mosadeghi S,Schlenk Ddoi
10.1080/01480540802432643subject
Has Abstractpub_date
2009-01-01 00:00:00pages
59-67issue
1eissn
0148-0545issn
1525-6014journal_volume
32pub_type
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