Limitations of carrageenan microbound diets for feeding white sturgeon, Acipenser transmontanus, larvae
Identifieur interne : 001B04 ( Main/Merge ); précédent : 001B03; suivant : 001B05Limitations of carrageenan microbound diets for feeding white sturgeon, Acipenser transmontanus, larvae
Auteurs : A. Gawlicka [Canada] ; L. Mclaughlin [Canada] ; S. S. O. Hung [États-Unis] ; J. D. L. Noue [Canada]Source :
- Aquaculture [ 0044-8486 ] ; 1996.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Histologie.
English descriptors
- KwdEn :
Abstract
Copyright (c) 1996 Elsevier Science B.V. All rights reserved. Utilization of carrageenan microbound (CMB) diets by white sturgeon larvae was evaluated using biochemical, histological and histochemical methods. Compared with a control group fed Biodiet, a commercial salmonid diet, larvae fed the CMB diets for 16 days had a significantly (P<0.05) higher moisture content but lower growth, survival, and whole body amino acid and lipid contents. Although growth and survival of CMB-fed larvae were significantly higher than those of starved larvae, histological signs such as degenerated cells in liver and intestine are indicative of starvation-like conditions. Feeding CMB diets also induced a decrease in activity of alkaline phosphatase, aminopeptidase M, and nonspecific esterase in the brush border of intestinal cells. Even though the CMB diets present three desirable characteristics for sturgeon larvae such as appropriate size, soft texture and availability on the bottom of tanks, they are not recommended because they have three major drawbacks. First, CMB diets have to be kept fresh, and distributed in solution for a bottom feeder like sturgeon. Second, sturgeon larvae have trouble locating and ingesting the CMB diets. Finally, assimilation of nutrients from CMB diets is possibly restricted by limited ability of sturgeon larvae to break down and digest the carrageenan matrix.
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G1K 7P4</wicri:noRegion></affiliation></author><author><name sortKey="Hung, S S O" sort="Hung, S S O" uniqKey="Hung S" first="S. S. O." last="Hung">S. S. O. Hung</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Animal Science, University of California</s1><s2>Davis, CA 95616</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Noue, J D L" sort="Noue, J D L" uniqKey="Noue J" first="J. D. L." last="Noue">J. D. L. Noue</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>GREREBA, Université Laval</s1><s2>Québec, Qué. G1K 7P4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, Qué. G1K 7P4</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">96-0302696</idno><date when="1996">1996</date><idno type="stanalyst">PASCAL 96-0302696 Elsevier</idno><idno type="RBID">Pascal:96-0302696</idno><idno type="wicri:Area/PascalFrancis/Corpus">000494</idno><idno type="wicri:Area/PascalFrancis/Curation">000617</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000487</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000487</idno><idno type="wicri:doubleKey">0044-8486:1996:Gawlicka A:limitations:of:carrageenan</idno><idno type="wicri:Area/Main/Merge">001B04</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Limitations of carrageenan microbound diets for feeding white sturgeon, Acipenser transmontanus, larvae</title><author><name sortKey="Gawlicka, A" sort="Gawlicka, A" uniqKey="Gawlicka A" first="A." last="Gawlicka">A. Gawlicka</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>GREREBA, Université Laval</s1><s2>Québec, Qué. G1K 7P4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, Qué. G1K 7P4</wicri:noRegion></affiliation></author><author><name sortKey="Mclaughlin, L" sort="Mclaughlin, L" uniqKey="Mclaughlin L" first="L." last="Mclaughlin">L. Mclaughlin</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>GREREBA, Université Laval</s1><s2>Québec, Qué. G1K 7P4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, Qué. G1K 7P4</wicri:noRegion></affiliation></author><author><name sortKey="Hung, S S O" sort="Hung, S S O" uniqKey="Hung S" first="S. S. O." last="Hung">S. S. O. Hung</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Department of Animal Science, University of California</s1><s2>Davis, CA 95616</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Noue, J D L" sort="Noue, J D L" uniqKey="Noue J" first="J. D. L." last="Noue">J. D. L. Noue</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>GREREBA, Université Laval</s1><s2>Québec, Qué. G1K 7P4</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Québec, Qué. G1K 7P4</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Aquaculture</title><title level="j" type="abbreviated">Aquaculture</title><idno type="ISSN">0044-8486</idno><imprint><date when="1996">1996</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Aquaculture</title><title level="j" type="abbreviated">Aquaculture</title><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acipenser transmontanus</term><term>Aminoacid</term><term>Carrageenan</term><term>Enzymatic activity</term><term>Fasting</term><term>Feed</term><term>Fry</term><term>Gastrointestinal</term><term>Histology</term><term>Metabolism</term><term>Microencapsulation</term><term>Survival</term><term>Weight gain</term><term>Young animal</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Aliment pour animal</term><term>Microencapsulation</term><term>Carraghénane</term><term>Alevin</term><term>Animal jeune</term><term>Métabolisme</term><term>Gastrointestinal</term><term>Histologie</term><term>Activité enzymatique</term><term>Aminoacide</term><term>Prise poids</term><term>Survie</term><term>Jeûne alimentaire</term><term>Acipenser transmontanus</term><term>Acipenseridae</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Histologie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Copyright (c) 1996 Elsevier Science B.V. All rights reserved. Utilization of carrageenan microbound (CMB) diets by white sturgeon larvae was evaluated using biochemical, histological and histochemical methods. Compared with a control group fed Biodiet, a commercial salmonid diet, larvae fed the CMB diets for 16 days had a significantly (P<0.05) higher moisture content but lower growth, survival, and whole body amino acid and lipid contents. Although growth and survival of CMB-fed larvae were significantly higher than those of starved larvae, histological signs such as degenerated cells in liver and intestine are indicative of starvation-like conditions. Feeding CMB diets also induced a decrease in activity of alkaline phosphatase, aminopeptidase M, and nonspecific esterase in the brush border of intestinal cells. Even though the CMB diets present three desirable characteristics for sturgeon larvae such as appropriate size, soft texture and availability on the bottom of tanks, they are not recommended because they have three major drawbacks. First, CMB diets have to be kept fresh, and distributed in solution for a bottom feeder like sturgeon. Second, sturgeon larvae have trouble locating and ingesting the CMB diets. Finally, assimilation of nutrients from CMB diets is possibly restricted by limited ability of sturgeon larvae to break down and digest the carrageenan matrix.</div></front></TEI><affiliations><list><country><li>Canada</li><li>États-Unis</li></country><region><li>Californie</li></region></list><tree><country name="Canada"><noRegion><name sortKey="Gawlicka, A" sort="Gawlicka, A" uniqKey="Gawlicka A" first="A." last="Gawlicka">A. Gawlicka</name></noRegion><name sortKey="Mclaughlin, L" sort="Mclaughlin, L" uniqKey="Mclaughlin L" first="L." last="Mclaughlin">L. Mclaughlin</name><name sortKey="Noue, J D L" sort="Noue, J D L" uniqKey="Noue J" first="J. D. L." last="Noue">J. D. L. Noue</name></country><country name="États-Unis"><region name="Californie"><name sortKey="Hung, S S O" sort="Hung, S S O" uniqKey="Hung S" first="S. S. O." last="Hung">S. S. O. Hung</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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