Acute nitrite toxicity and methemoglobinemia in juvenile milkfish (Chanos chanos Forsskal)
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Abstract
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.
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SEAFDEC Contribution No. 209.
Suggested Citation
Almendras, J. M. E. (1987). Acute nitrite toxicity and methemoglobinemia in juvenile milkfish (Chanos chanos Forsskal). Aquaculture , 61(1), 33-40. https://doi.org/10.1016/0044-8486(87)90335-8
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