The effect of temperature and substrate on the growth, development and survival of larval white sturgeon
Identifieur interne : 000227 ( Main/Exploration ); précédent : 000226; suivant : 000228The effect of temperature and substrate on the growth, development and survival of larval white sturgeon
Auteurs : Marcus A. Boucher [Canada] ; Steven O. Mcadam [Canada] ; J. Mark Shrimpton [Canada]Source :
- Aquaculture : (Amsterdam) [ 0044-8486 ] ; 2014.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Aquiculture.
English descriptors
- KwdEn :
Abstract
White sturgeon yolk sac larvae (YSL) were reared at 13.5 and 17.5 °C with and without gravel substrate. Larvae reared within the gravel emerged from the substrate after 11-14 days (depending on temperature), and all larvae were subsequently fed in bare tanks until 46 days post hatch (dph). Temperature and substrate significantly affected size; at 46 dph, fish reared in gravel at 17.5 °C were the largest (288 ± 19 mg), while fish reared at 13.5 °C without gravel were the smallest (107 ± 3 mg). Yolk absorption rate did not differ between substrate treatments but was greater at 17.5 °C than at 13.5 °C. In contrast, yolk absorption efficiency was independent of temperature but was significantly greater in gravel-reared larvae. YSL reared in gravel also had more lipid vacuoles in their liver. Substrate and temperature significantly affected survival. Greatest survival (84.6% ± 0.6%) was achieved when YSL were reared in gravel at 13.5 °C, and survival was lowest (46.6% ± 0.6%) when larvae were reared without gravel at 17.5 °C. Understanding factors that affect growth and survival during early life history provides insight into factors affecting wild recruitment and should improve hatchery production.
Affiliations:
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Le document en format XML
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Mcadam</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>British Columbia Ministry of Environment, University of British Columbia, 2202 Main Mall</s1><s2>Vancouver, BC V6T 1Z4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, BC V6T 1Z4</wicri:noRegion></affiliation></author><author><name sortKey="Shrimpton, J Mark" sort="Shrimpton, J Mark" uniqKey="Shrimpton J" first="J. Mark" last="Shrimpton">J. Mark Shrimpton</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ecosystem Science and Management (Biology) Program, University of Northern British Columbia</s1><s2>Prince George, BC V2N 4Z9</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Prince George, BC V2N 4Z9</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">14-0158699</idno><date when="2014">2014</date><idno type="stanalyst">PASCAL 14-0158699 INIST</idno><idno type="RBID">Pascal:14-0158699</idno><idno type="wicri:Area/PascalFrancis/Corpus">000014</idno><idno type="wicri:Area/PascalFrancis/Curation">000360</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000001</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000001</idno><idno type="wicri:doubleKey">0044-8486:2014:Boucher M:the:effect:of</idno><idno type="wicri:Area/Main/Merge">000228</idno><idno type="wicri:Area/Main/Curation">000227</idno><idno type="wicri:Area/Main/Exploration">000227</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The effect of temperature and substrate on the growth, development and survival of larval white sturgeon</title><author><name sortKey="Boucher, Marcus A" sort="Boucher, Marcus A" uniqKey="Boucher M" first="Marcus A." last="Boucher">Marcus A. Boucher</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ecosystem Science and Management (Biology) Program, University of Northern British Columbia</s1><s2>Prince George, BC V2N 4Z9</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Prince George, BC V2N 4Z9</wicri:noRegion></affiliation></author><author><name sortKey="Mcadam, Steven O" sort="Mcadam, Steven O" uniqKey="Mcadam S" first="Steven O." last="Mcadam">Steven O. Mcadam</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>British Columbia Ministry of Environment, University of British Columbia, 2202 Main Mall</s1><s2>Vancouver, BC V6T 1Z4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver, BC V6T 1Z4</wicri:noRegion></affiliation></author><author><name sortKey="Shrimpton, J Mark" sort="Shrimpton, J Mark" uniqKey="Shrimpton J" first="J. Mark" last="Shrimpton">J. Mark Shrimpton</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Ecosystem Science and Management (Biology) Program, University of Northern British Columbia</s1><s2>Prince George, BC V2N 4Z9</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Prince George, BC V2N 4Z9</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser transmontanus</term><term>Aquaculture</term><term>Development</term><term>Growth</term><term>Incubation</term><term>Larva</term><term>Substrate</term><term>Survival</term><term>Temperature</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Température</term><term>Substrat</term><term>Croissance</term><term>Développement</term><term>Survie</term><term>Larve</term><term>Incubation</term><term>Aquiculture</term><term>Acipenser transmontanus</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Aquiculture</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">White sturgeon yolk sac larvae (YSL) were reared at 13.5 and 17.5 °C with and without gravel substrate. Larvae reared within the gravel emerged from the substrate after 11-14 days (depending on temperature), and all larvae were subsequently fed in bare tanks until 46 days post hatch (dph). Temperature and substrate significantly affected size; at 46 dph, fish reared in gravel at 17.5 °C were the largest (288 ± 19 mg), while fish reared at 13.5 °C without gravel were the smallest (107 ± 3 mg). Yolk absorption rate did not differ between substrate treatments but was greater at 17.5 °C than at 13.5 °C. In contrast, yolk absorption efficiency was independent of temperature but was significantly greater in gravel-reared larvae. YSL reared in gravel also had more lipid vacuoles in their liver. Substrate and temperature significantly affected survival. Greatest survival (84.6% ± 0.6%) was achieved when YSL were reared in gravel at 13.5 °C, and survival was lowest (46.6% ± 0.6%) when larvae were reared without gravel at 17.5 °C. Understanding factors that affect growth and survival during early life history provides insight into factors affecting wild recruitment and should improve hatchery production.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Boucher, Marcus A" sort="Boucher, Marcus A" uniqKey="Boucher M" first="Marcus A." last="Boucher">Marcus A. Boucher</name></noRegion><name sortKey="Mcadam, Steven O" sort="Mcadam, Steven O" uniqKey="Mcadam S" first="Steven O." last="Mcadam">Steven O. Mcadam</name><name sortKey="Shrimpton, J Mark" sort="Shrimpton, J Mark" uniqKey="Shrimpton J" first="J. Mark" last="Shrimpton">J. Mark Shrimpton</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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