Restoration of the European sturgeon, Acipenser sturio L., 1758 in Germany: Effect of Different Feed Items on Specific Growth Rates of Large Juvenile Fish
Identifieur interne : 000C81 ( Istex/Corpus ); précédent : 000C80; suivant : 000C82Restoration of the European sturgeon, Acipenser sturio L., 1758 in Germany: Effect of Different Feed Items on Specific Growth Rates of Large Juvenile Fish
Auteurs : Emanuel C. K. Hensel ; Frank Kirschbaum ; Patrick Williot ; Manfred Wirth ; Jörn GessnerSource :
- International Review of Hydrobiology [ 1434-2944 ] ; 2002-11.
English descriptors
Abstract
23 Acipenser sturio juveniles (51 months old, median total length 80 cm, median weight 1950g) of a 1995 artificially reproduced F1 population from the Cemagref, Bordeaux were used for feeding experiments for 28 weeks. Fish were kept in two experimental tanks (5.5 m3) at 20.5 °C and natural photoperiod in freshwater. During the first 16 weeks fish were fed three frozen components (3C), small marine fish (FSMF), small chironomids (FSC) and large chironomids (FLC) except for 3 two weeks periods when the 3 single components were tested: the highest median specific growth rates (MSGR) were obtained with the FLC feed (0.43% bw/d). From weeks 17 to 28 FLC feed was offered except for 2 two weeks periods: a feeding experiment was performed with FLC plus frozen pieces of smelt (MSGR –0.18% bw/d) and a starvation experiment (MSGR –0.32% bw/d). A. sturio showed a high variation in both the MSGR and the individual SGR values thus limiting the interpretation of these quantitative results.
Url:
DOI: 10.1002/1522-2632(200211)87:5/6<539::AID-IROH539>3.0.CO;2-C
Links to Exploration step
ISTEX:63B3DF8B84553791613A2646017D389BF29FE16FLe document en format XML
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Fish were kept in two experimental tanks (5.5 m3) at 20.5 °C and natural photoperiod in freshwater. During the first 16 weeks fish were fed three frozen components (3C), small marine fish (FSMF), small chironomids (FSC) and large chironomids (FLC) except for 3 two weeks periods when the 3 single components were tested: the highest median specific growth rates (MSGR) were obtained with the FLC feed (0.43% bw/d). From weeks 17 to 28 FLC feed was offered except for 2 two weeks periods: a feeding experiment was performed with FLC plus frozen pieces of smelt (MSGR –0.18% bw/d) and a starvation experiment (MSGR –0.32% bw/d). A. sturio showed a high variation in both the MSGR and the individual SGR values thus limiting the interpretation of these quantitative results.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Emanuel C. K. 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PO Box 850123, 12561 Berlin, Germany</unparsedAffiliation></affiliation><affiliation xml:id="a2" countryCode="FR" type="organization"><unparsedAffiliation>Cemagref, Ressources Aquatiques Continentales, 50 rue de Verdun, F‐33612 Gazinet, France</unparsedAffiliation></affiliation></affiliationGroup><keywordGroup xml:lang="en" type="author"><keyword xml:id="kwd1">brood‐stock</keyword><keyword xml:id="kwd2">feeding experiments</keyword><keyword xml:id="kwd3">compensatory growth</keyword><keyword xml:id="kwd4">individual growth</keyword><keyword xml:id="kwd5">gonad maturation</keyword></keywordGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Abstract</title><p>23 <i>Acipenser sturio</i> juveniles (51 months old, median total length 80 cm, median weight 1950g) of a 1995 artificially reproduced F1 population from the Cemagref, Bordeaux were used for feeding experiments for 28 weeks. Fish were kept in two experimental tanks (5.5 m<sup>3</sup>) at 20.5 °C and natural photoperiod in freshwater. During the first 16 weeks fish were fed three frozen components (3C), small marine fish (FSMF), small chironomids (FSC) and large chironomids (FLC) except for 3 two weeks periods when the 3 single components were tested: the highest median specific growth rates (MSGR) were obtained with the FLC feed (0.43% bw/d). From weeks 17 to 28 FLC feed was offered except for 2 two weeks periods: a feeding experiment was performed with FLC plus frozen pieces of smelt (MSGR –0.18% bw/d) and a starvation experiment (MSGR –0.32% bw/d). <i>A. sturio</i> showed a high variation in both the MSGR and the individual SGR values thus limiting the interpretation of these quantitative results.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Restoration of the European sturgeon, Acipenser sturio L., 1758 in Germany: Effect of Different Feed Items on Specific Growth Rates of Large Juvenile Fish</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Effect of Food on Growth Rates</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Restoration of the European sturgeon, Acipenser sturio L., 1758 in Germany: Effect of Different Feed Items on Specific Growth Rates of Large Juvenile Fish</title></titleInfo><name type="personal"><namePart type="given">Emanuel C. K.</namePart><namePart type="family">Hensel</namePart><affiliation>Leibniz‐Institute of Freshwater Ecology and Inland Fisheries, Department of Biology and Ecology of Fishes. PO Box 850123, 12561 Berlin, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Frank</namePart><namePart type="family">Kirschbaum</namePart><affiliation>Leibniz‐Institute of Freshwater Ecology and Inland Fisheries, Department of Biology and Ecology of Fishes. PO Box 850123, 12561 Berlin, Germany</affiliation><affiliation>E-mail: fkirschb@igb‐berlin.de.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Patrick</namePart><namePart type="family">Williot</namePart><affiliation>Cemagref, Ressources Aquatiques Continentales, 50 rue de Verdun, F‐33612 Gazinet, France</affiliation><affiliation>E-mail: patrick.williot@cemagref.fr.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Manfred</namePart><namePart type="family">Wirth</namePart><affiliation>Leibniz‐Institute of Freshwater Ecology and Inland Fisheries, Department of Biology and Ecology of Fishes. PO Box 850123, 12561 Berlin, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jörn</namePart><namePart type="family">Gessner</namePart><affiliation>Leibniz‐Institute of Freshwater Ecology and Inland Fisheries, Department of Biology and Ecology of Fishes. PO Box 850123, 12561 Berlin, Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>WILEY‐VCH Verlag</publisher><place><placeTerm type="text">Berlin</placeTerm></place><dateIssued encoding="w3cdtf">2002-11</dateIssued><copyrightDate encoding="w3cdtf">2002</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">4</extent><extent unit="tables">2</extent><extent unit="references">29</extent></physicalDescription><abstract lang="en">23 Acipenser sturio juveniles (51 months old, median total length 80 cm, median weight 1950g) of a 1995 artificially reproduced F1 population from the Cemagref, Bordeaux were used for feeding experiments for 28 weeks. Fish were kept in two experimental tanks (5.5 m3) at 20.5 °C and natural photoperiod in freshwater. During the first 16 weeks fish were fed three frozen components (3C), small marine fish (FSMF), small chironomids (FSC) and large chironomids (FLC) except for 3 two weeks periods when the 3 single components were tested: the highest median specific growth rates (MSGR) were obtained with the FLC feed (0.43% bw/d). From weeks 17 to 28 FLC feed was offered except for 2 two weeks periods: a feeding experiment was performed with FLC plus frozen pieces of smelt (MSGR –0.18% bw/d) and a starvation experiment (MSGR –0.32% bw/d). A. sturio showed a high variation in both the MSGR and the individual SGR values thus limiting the interpretation of these quantitative results.</abstract><subject lang="en"><genre>keywords</genre><topic>brood‐stock</topic><topic>feeding experiments</topic><topic>compensatory growth</topic><topic>individual growth</topic><topic>gonad maturation</topic></subject><relatedItem type="host"><titleInfo><title>International Review of Hydrobiology</title><subTitle>A Journal Covering all Aspects of Limnology and Marine Biology</subTitle></titleInfo><titleInfo type="abbreviated"><title>International Review of Hydrobiology</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>II. Rearing Techniques of Sturgeons: Original Paper</topic></subject><identifier type="ISSN">1434-2944</identifier><identifier type="eISSN">1522-2632</identifier><identifier type="DOI">10.1002/(ISSN)1522-2632</identifier><identifier type="PublisherID">IROH</identifier><part><date>2002</date><detail type="volume"><caption>vol.</caption><number>87</number></detail><detail type="issue"><caption>no.</caption><number>5‐6</number></detail><extent unit="pages"><start>539</start><end>551</end><total>13</total></extent></part></relatedItem><identifier type="istex">63B3DF8B84553791613A2646017D389BF29FE16F</identifier><identifier type="DOI">10.1002/1522-2632(200211)87:5/6<539::AID-IROH539>3.0.CO;2-C</identifier><identifier type="ArticleID">IROH539</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2002 WILEY‐VCH Verlag GmbH & Co. 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