Lethal and sublethal toxicity of didecyldimethylammonium chloride in early life stages of white sturgeon, Acipenser transmontanus
Identifieur interne : 001328 ( Main/Merge ); précédent : 001327; suivant : 001329Lethal and sublethal toxicity of didecyldimethylammonium chloride in early life stages of white sturgeon, Acipenser transmontanus
Auteurs : SWEE JOO TEH [États-Unis] ; Cecilia Wong [Canada] ; Vesna Furtula [Canada] ; Foo-Ching Teh [États-Unis]Source :
- Environmental toxicology and chemistry [ 0730-7268 ] ; 2003.
Descripteurs français
- Pascal (Inist)
- Wicri :
- geographic : Canada.
English descriptors
- KwdEn :
Abstract
This study was conducted to describe the acute lethality and latent toxicity of didecyldimethylammonium chloride (DDAC) on early life stages of white sturgeon (Acipenser transmontanus). Fish responses to 0, 10, 50, 100, 250, 500 μg/L concentrations of DDAC were determined using a 96-h standard static renewal method for acute toxicity testing, with three replicates per concentration. Twenty fish per replicate were tested for 3, 11, and 42-d-old larvae, and 7 fish per replicate were tested for 78-d-old juveniles. Following exposure, survival and growth were evaluated in exposed fish raised in clean water for 2 weeks. The 96-h median lethal concentration (LC50) values for DDAC were 10.0 to 50.0, 58.5, and 99.7 μg/L for 3, 11, and 42-d-old larvae and 100 to 250 μg/L for 78-d-old juveniles. Significant decreases in larval growth and survival were noted at all tested concentrations and in all sturgeon age groups. Results of this study reveal age- and concentration-dependent responses to DDAC. Among the age groups tested, the 3-d-old larvae were the most sensitive group. Results also revealed that 96-h lethality testing alone is not adequate for determining the toxicity of DDAC to white sturgeon.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Lethal and sublethal toxicity of didecyldimethylammonium chloride in early life stages of white sturgeon, Acipenser transmontanus</title><author><name sortKey="Swee Joo Teh" sort="Swee Joo Teh" uniqKey="Swee Joo Teh" last="Swee Joo Teh">SWEE JOO TEH</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of California-Davis, Department of Anatomy, Physiology, and Cell Biology, One Shields Avenue</s1><s2>Davis, California 95616</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Davis, California 95616</wicri:noRegion></affiliation></author><author><name sortKey="Wong, Cecilia" sort="Wong, Cecilia" uniqKey="Wong C" first="Cecilia" last="Wong">Cecilia Wong</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Aquatic and Atmospheric Science Division, Environment Canada, 700-1200 West 73rd Avenue</s1><s2>Vancouver, British Colombia V6P 6H9</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, British Colombia V6P 6H9</wicri:noRegion></affiliation></author><author><name sortKey="Furtula, Vesna" sort="Furtula, Vesna" uniqKey="Furtula V" first="Vesna" last="Furtula">Vesna Furtula</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Pacific Environmental Science Centre, Environment Canada, 2645 Dollarton Hwy</s1><s2>North Vancouver, British Columbia V7H 1B1</s2><s3>CAN</s3><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>North Vancouver, British Columbia V7H 1B1</wicri:noRegion></affiliation></author><author><name sortKey="Teh, Foo Ching" sort="Teh, Foo Ching" uniqKey="Teh F" first="Foo-Ching" last="Teh">Foo-Ching Teh</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of California-Davis, Department of Anatomy, Physiology, and Cell Biology, One Shields Avenue</s1><s2>Davis, California 95616</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>4 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sortKey="Swee Joo Teh" sort="Swee Joo Teh" uniqKey="Swee Joo Teh" last="Swee Joo Teh">SWEE JOO TEH</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of California-Davis, Department of Anatomy, Physiology, and Cell Biology, One Shields Avenue</s1><s2>Davis, California 95616</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Davis, California 95616</wicri:noRegion></affiliation></author><author><name sortKey="Wong, Cecilia" sort="Wong, Cecilia" uniqKey="Wong C" first="Cecilia" last="Wong">Cecilia Wong</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Aquatic and Atmospheric Science Division, Environment Canada, 700-1200 West 73rd Avenue</s1><s2>Vancouver, British Colombia V6P 6H9</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, British Colombia V6P 6H9</wicri:noRegion></affiliation></author><author><name sortKey="Furtula, Vesna" sort="Furtula, Vesna" uniqKey="Furtula V" first="Vesna" last="Furtula">Vesna Furtula</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Pacific Environmental Science Centre, Environment Canada, 2645 Dollarton Hwy</s1><s2>North Vancouver, British Columbia V7H 1B1</s2><s3>CAN</s3><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>North Vancouver, British Columbia V7H 1B1</wicri:noRegion></affiliation></author><author><name sortKey="Teh, Foo Ching" sort="Teh, Foo Ching" uniqKey="Teh F" first="Foo-Ching" last="Teh">Foo-Ching Teh</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>University of California-Davis, Department of Anatomy, Physiology, and Cell Biology, One Shields Avenue</s1><s2>Davis, California 95616</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>Davis, California 95616</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno><imprint><date when="2003">2003</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental toxicology and chemistry</title><title level="j" type="abbreviated">Environ. toxicol. chem.</title><idno type="ISSN">0730-7268</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser transmontanus</term><term>Biocide</term><term>Canada</term><term>Fungicide</term><term>Growth</term><term>Non target organism</term><term>Stream</term><term>Survival</term><term>Toxicity</term><term>Young animal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Toxicité</term><term>Animal jeune</term><term>Survie</term><term>Croissance</term><term>Cours eau</term><term>Canada</term><term>Biocide</term><term>Fongicide</term><term>Organisme non cible</term><term>Acipenser transmontanus</term><term>Ammonium(didécyl diméthyl) chlorure</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Canada</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study was conducted to describe the acute lethality and latent toxicity of didecyldimethylammonium chloride (DDAC) on early life stages of white sturgeon (Acipenser transmontanus). Fish responses to 0, 10, 50, 100, 250, 500 μg/L concentrations of DDAC were determined using a 96-h standard static renewal method for acute toxicity testing, with three replicates per concentration. Twenty fish per replicate were tested for 3, 11, and 42-d-old larvae, and 7 fish per replicate were tested for 78-d-old juveniles. Following exposure, survival and growth were evaluated in exposed fish raised in clean water for 2 weeks. The 96-h median lethal concentration (LC50) values for DDAC were 10.0 to 50.0, 58.5, and 99.7 μg/L for 3, 11, and 42-d-old larvae and 100 to 250 μg/L for 78-d-old juveniles. Significant decreases in larval growth and survival were noted at all tested concentrations and in all sturgeon age groups. Results of this study reveal age- and concentration-dependent responses to DDAC. Among the age groups tested, the 3-d-old larvae were the most sensitive group. Results also revealed that 96-h lethality testing alone is not adequate for determining the toxicity of DDAC to white sturgeon.</div></front></TEI><affiliations><list><country><li>Canada</li><li>États-Unis</li></country></list><tree><country name="États-Unis"><noRegion><name sortKey="Swee Joo Teh" sort="Swee Joo Teh" uniqKey="Swee Joo Teh" last="Swee Joo Teh">SWEE JOO TEH</name></noRegion><name sortKey="Teh, Foo Ching" sort="Teh, Foo Ching" uniqKey="Teh F" first="Foo-Ching" last="Teh">Foo-Ching Teh</name></country><country name="Canada"><noRegion><name sortKey="Wong, Cecilia" sort="Wong, Cecilia" uniqKey="Wong C" first="Cecilia" last="Wong">Cecilia Wong</name></noRegion><name sortKey="Furtula, Vesna" sort="Furtula, Vesna" uniqKey="Furtula V" first="Vesna" last="Furtula">Vesna Furtula</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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