Acute nitrite toxicity and methemoglobinemia in juvenile milkfish (Chanos chanos Forsskal)
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Nitrite was about 55 times more toxic to milkfish juveniles in fresh water than in 16% brackish water: the 48-h median lethal concentrations were 12 mg NO2-N/l (95% confidence limit=7.4–19.6) and 675 mg NO2-N/l (95% confidence limit = 435.8–1,045.4) respectively. Methemoglobin levels were higher for a given concentration of nitrite in milkfish kept in fresh water than in the brackish water. Methemoglobin decreased to a normal level within 24–26 hours of the removal of nitrite.
SEAFDEC Contribution No. 209.
Suggested CitationAlmendras, J. M. E. (1987). Acute nitrite toxicity and methemoglobinemia in juvenile milkfish (Chanos chanos Forsskal).
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