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Sensitivity of trout to chronic and acute exposure to selenium

Authors
Journal
Agriculture and Environment
0304-1131
Publisher
Elsevier
Publication Date
Volume
4
Issue
1
Identifiers
DOI: 10.1016/0304-1131(78)90009-7

Abstract

Abstract Trout were exposed to selenite (Na 2SeO 3) solutions of varying concentrations (0.1–100 ppm Se) for periods of up to 4 weeks. The results showed that a chronic exposure to 0.1 ppm Se or less is non-lethal to trout. Lethality at higher concentrations depends on the lenght of exposure. Trout that survive for ten days in tap-water after contamination will not die as a result of selenium toxicity and can thus safely be used for human consumption.

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