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Prevention and treatment of Nitrite toxicity in juvenile steelhead trout (<i>Salmo gairdneri</i>)

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Gary A. Wedemeyer, and W.T. Yasutake, 1978, Prevention and treatment of Nitrite toxicity in juvenile steelhead trout (<i>Salmo gairdneri</i>): Journal of the Fisheries Research Board of Canada, v. 35, iss. 6.

Summary

The efficacy of mineral salts, pH, and tetramethylthianine (methylene blue) treatment in reducing the acute toxicity of nitrite to fingerling steelhead trout (Salmo gairdneri) was determined using a static bioassay system at 10 °C. The acute toxicity (96-h LC50) was reduced by a factor of about 24 for 5-g steelhead and 13 for 10-g fish when the total water hardness was increased from 25 to 300 mg/L (as CaCO3). NaCl or CaCl2 additions (0–200 mg/L) reduced toxicity by a factor of up to 3 for NaCl and 50 for CaCl2. Increasing the pH from 6.0 to 8.0 decreased toxicity by a factor of about 8 for the smaller and 3 for the larger fish. Methylene blue at 0.1 or 1.0 mg/L was effective in decreasing acute toxicity. For alleviating methemoglobinemia, [...]

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Type Scheme Key
local-index unknown 70162257
local-pk unknown 70162257
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.1139/f78-132
series unknown Journal of the Fisheries Research Board of Canada

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journalJournal of the Fisheries Research Board of Canada
parts
typevolume
value35
typeissue
value6
languageEnglish
citationTypeArticle

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