Effects of freshwater exposure to arsenic trioxide on the parr‐smolt transformation of coho salmon (Oncorhynchus kisutch)

John W. Nichols; Gary A. Wedemeyer; Foster L. Mayer; Walton W. Dickhoff; Stan V. Gregory; William T. Yasutake; Stanley D. Smith

doi:10.1002/etc.5620030116

Effects of freshwater exposure to arsenic trioxide on the parr‐smolt transformation of coho salmon (Oncorhynchus kisutch)

John W. Nichols, Gary A. Wedemeyer, Foster L. Mayer, Walton W. Dickhoff, Stan V. Gregory, William T. Yasutake, Stanley D. Smith

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

The effects of chronic (6 months) exposure to arsenic trioxide in fresh water on the Parr‐smolt transformation of coho salmon (Oncorhynchus kisutch) were evaluated. Exposure to 300 μg As/L (as As₂O₃) appeared to delay the onset of the normal increase in plasma thyroxine concentration and cause a transient reduction of gill Na⁺,K⁺‐ATPase activity. Fish exposed to 300 μg As/L also migrated to the sea less successfully than did nonexposed smolts, but there were no effects on the survival and growth of smolts held in 28‰ salt water for 6 months.

Original language	English (US)
Pages (from-to)	143-149
Number of pages	7
Journal	Environmental Toxicology and Chemistry
Volume	3
Issue number	1
DOIs	https://doi.org/10.1002/etc.5620030116
State	Published - Jan 1984
Externally published	Yes

Keywords

Arsenic
Arsenic trioxide
Chronic toxicity
Coho salmon
Parr‐smolt transformation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/etc.5620030116

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title = "Effects of freshwater exposure to arsenic trioxide on the parr‐smolt transformation of coho salmon (Oncorhynchus kisutch)",

abstract = "The effects of chronic (6 months) exposure to arsenic trioxide in fresh water on the Parr‐smolt transformation of coho salmon (Oncorhynchus kisutch) were evaluated. Exposure to 300 μg As/L (as As2O3) appeared to delay the onset of the normal increase in plasma thyroxine concentration and cause a transient reduction of gill Na+,K+‐ATPase activity. Fish exposed to 300 μg As/L also migrated to the sea less successfully than did nonexposed smolts, but there were no effects on the survival and growth of smolts held in 28‰ salt water for 6 months.",

keywords = "Arsenic, Arsenic trioxide, Chronic toxicity, Coho salmon, Parr‐smolt transformation",

author = "Nichols, {John W.} and Wedemeyer, {Gary A.} and Mayer, {Foster L.} and Dickhoff, {Walton W.} and Gregory, {Stan V.} and Yasutake, {William T.} and Smith, {Stanley D.}",

year = "1984",

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doi = "10.1002/etc.5620030116",

language = "English (US)",

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AU - Nichols, John W.

AU - Wedemeyer, Gary A.

AU - Mayer, Foster L.

AU - Dickhoff, Walton W.

AU - Gregory, Stan V.

AU - Yasutake, William T.

AU - Smith, Stanley D.

PY - 1984/1

Y1 - 1984/1

N2 - The effects of chronic (6 months) exposure to arsenic trioxide in fresh water on the Parr‐smolt transformation of coho salmon (Oncorhynchus kisutch) were evaluated. Exposure to 300 μg As/L (as As2O3) appeared to delay the onset of the normal increase in plasma thyroxine concentration and cause a transient reduction of gill Na+,K+‐ATPase activity. Fish exposed to 300 μg As/L also migrated to the sea less successfully than did nonexposed smolts, but there were no effects on the survival and growth of smolts held in 28‰ salt water for 6 months.

AB - The effects of chronic (6 months) exposure to arsenic trioxide in fresh water on the Parr‐smolt transformation of coho salmon (Oncorhynchus kisutch) were evaluated. Exposure to 300 μg As/L (as As2O3) appeared to delay the onset of the normal increase in plasma thyroxine concentration and cause a transient reduction of gill Na+,K+‐ATPase activity. Fish exposed to 300 μg As/L also migrated to the sea less successfully than did nonexposed smolts, but there were no effects on the survival and growth of smolts held in 28‰ salt water for 6 months.

KW - Arsenic

KW - Arsenic trioxide

KW - Chronic toxicity

KW - Coho salmon

KW - Parr‐smolt transformation

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ER -

Effects of freshwater exposure to arsenic trioxide on the parr‐smolt transformation of coho salmon (Oncorhynchus kisutch)

Abstract

Keywords

UN SDGs

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