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Acute toxicity and bioconcentration of fungicide tebuconazole in zebrafish (Danio rerio)
This research work investigated the bioconcentration of tebuconazole [(±)‐α‐[2‐(4‐chlorophenyl)ethyl]‐α‐(1,1‐dimethylethyl)‐1H‐1,2,4‐triazole‐1‐ethanol] fungicide in zebrafish (Danio rerio) under laboratory conditions and a first‐order kinetic pesticide dissipation in the water. The concentrations of tebuconazole fitted to an equivalent nonlinear kinetic type model which allowed the calculation of the following parameters: bioconcentration factor (38.80 L kg−1), time to reach maximum fish concentration (6 days), maximum concentration in fish (0.0075 μg mg−1), half‐life in fish (24 days) and time needed for the fish to eliminate 95% of the maximum concentration (105 days). These calculations permitted the establishment of theoretical reference limit values for human consumption of fish and the establishment of safe limits for the water pesticide concentration. The data would also be useful in safe strategies associated with fishery activities that are conducted in aquatic regions close to crops using tebuconazole. The information will contribute to enlarge the tebuconazole toxicokinetics database of aquatic organisms. © 2011 Wiley Periodicals, Inc. Environ Toxicol, 2012.
Acute toxicity and bioconcentration of fungicide tebuconazole in zebrafish (Danio rerio)
This research work investigated the bioconcentration of tebuconazole [(±)‐α‐[2‐(4‐chlorophenyl)ethyl]‐α‐(1,1‐dimethylethyl)‐1H‐1,2,4‐triazole‐1‐ethanol] fungicide in zebrafish (Danio rerio) under laboratory conditions and a first‐order kinetic pesticide dissipation in the water. The concentrations of tebuconazole fitted to an equivalent nonlinear kinetic type model which allowed the calculation of the following parameters: bioconcentration factor (38.80 L kg−1), time to reach maximum fish concentration (6 days), maximum concentration in fish (0.0075 μg mg−1), half‐life in fish (24 days) and time needed for the fish to eliminate 95% of the maximum concentration (105 days). These calculations permitted the establishment of theoretical reference limit values for human consumption of fish and the establishment of safe limits for the water pesticide concentration. The data would also be useful in safe strategies associated with fishery activities that are conducted in aquatic regions close to crops using tebuconazole. The information will contribute to enlarge the tebuconazole toxicokinetics database of aquatic organisms. © 2011 Wiley Periodicals, Inc. Environ Toxicol, 2012.
Acute toxicity and bioconcentration of fungicide tebuconazole in zebrafish (Danio rerio)
Andreu‐Sánchez, Oscar (author) / Paraíba, Lourival C. (author) / Jonsson, Claudio M. (author) / Carrasco, José M. (author)
Environmental Toxicology ; 27 ; 109-116
2012-02-01
8 pages
Article (Journal)
Electronic Resource
English
Acute toxicity and bioconcentration of fungicide tebuconazole in zebrafish (Danio rerio)
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