Hatching time effect on the intra‐spawning larval morphology and growth in Northern pike (Esox luciusL.)
Identifieur interne : 000E61 ( Istex/Corpus ); précédent : 000E60; suivant : 000E62Hatching time effect on the intra‐spawning larval morphology and growth in Northern pike (Esox luciusL.)
Auteurs : Awatef Trabelsi ; Jean-Noël Gardeur ; Fabrice Teletchea ; Jean Brun-Bellut ; Pascal FontaineSource :
- Aquaculture Research [ 1355-557X ] ; 2013-03.
Abstract
Based on the analysis of 11 morphometric variables of body (total length, body area and perimeter, myotome height and eye diameter) and yolk sac (length, height, area, perimeter and volume) of pike larvae, the aim of this study was to evaluate how larval size at hatching and growth of larvae hatched from single egg batches vary according to three hatching times: early, mid and late. Hatching time structures strongly pike larval morphometrics. Early hatched larvae have smaller body sizes at hatch, faster growth and higher yolk use efficiency than late hatched ones. Early hatched larvae seem to be premature and hatch at precocious developmental stage whereas late hatched individuals continue their growth within the egg shell and hatch at larger size but with lower reserves (yolk). A compensatory growth phase was observed for the early hatching pike larvae particularly during the first 5 days post hatch. Consequently, no significant difference in body parameters was recorded from day 10 post hatching whatever the hatching time. The higher growth accomplished by early hatched larvae may be related to a particular metabolic activity that converts more efficiently yolk into body tissues.
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DOI: 10.1111/j.1365-2109.2011.03070.x
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ISTEX:656181AD4664A511CA89D3D2444BCD810AC0EE45Le document en format XML
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study was to evaluate how larval size at hatching and growth of larvae hatched from single egg batches vary according to three hatching times: early, mid and late. Hatching time structures strongly pike larval morphometrics. Early hatched larvae have smaller body sizes at hatch, faster growth and higher yolk use efficiency than late hatched ones. Early hatched larvae seem to be premature and hatch at precocious developmental stage whereas late hatched individuals continue their growth within the egg shell and hatch at larger size but with lower reserves (yolk). A compensatory growth phase was observed for the early hatching pike larvae particularly during the first 5 days post hatch. Consequently, no significant difference in body parameters was recorded from day 10 post hatching whatever the hatching time. 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Hatching time structures strongly pike larval morphometrics. Early hatched larvae have smaller body sizes at hatch, faster growth and higher yolk use efficiency than late hatched ones. Early hatched larvae seem to be premature and hatch at precocious developmental stage whereas late hatched individuals continue their growth within the egg shell and hatch at larger size but with lower reserves (yolk). A compensatory growth phase was observed for the early hatching pike larvae particularly during the first 5 days post hatch. Consequently, no significant difference in body parameters was recorded from day 10 post hatching whatever the hatching time. 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E‐mail: <email>pascal.fontaine@uhp-nancy.fr</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:ARE.ARE3070.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Hatching time effect on the intra‐spawning larval morphology and growth in <fc>N</fc>orthern pike (<i><fc>E</fc>sox lucius</i><fc>L</fc>.)</title><title type="shortAuthors"><i>A Trabelsi</i> et al.</title></titleGroup><creators><creator affiliationRef="#are3070-aff-0001 #are3070-aff-0002" creatorRole="author" xml:id="are3070-cr-0001"><personName><givenNames>Awatef</givenNames> <familyName>Trabelsi</familyName></personName></creator><creator affiliationRef="#are3070-aff-0001" creatorRole="author" xml:id="are3070-cr-0002"><personName><givenNames>Jean‐Noël</givenNames> <familyName>Gardeur</familyName></personName></creator><creator affiliationRef="#are3070-aff-0001" creatorRole="author" xml:id="are3070-cr-0003"><personName><givenNames>Fabrice</givenNames> <familyName>Teletchea</familyName></personName></creator><creator affiliationRef="#are3070-aff-0001" creatorRole="author" xml:id="are3070-cr-0004"><personName><givenNames>Jean</givenNames> <familyName>Brun‐Bellut</familyName></personName></creator><creator affiliationRef="#are3070-aff-0001" corresponding="yes" creatorRole="author" xml:id="are3070-cr-0005"><personName><givenNames>Pascal</givenNames> <familyName>Fontaine</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="FR" type="organization" xml:id="are3070-aff-0001"><orgDiv>Unité de Recherche Animal Fonctionnalités des Produits Animaux</orgDiv> <orgName>Nancy‐Université INRA</orgName> <address><city>Vandoeuvre‐lès‐Nancy</city> <country>France</country></address></affiliation><affiliation countryCode="TN" type="organization" xml:id="are3070-aff-0002"><orgDiv>Laboratoire d'Ecologie Animale et de Planctonologie</orgDiv> <orgDiv>Département des Sciences de la Vie</orgDiv> <orgName>Faculté des Sciences de Sfax</orgName> <address><city>Sfax</city> <country>Tunisia</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="are3070-kwd-0001">hatching time</keyword><keyword xml:id="are3070-kwd-0002"><i><fc>E</fc>sox lucius</i></keyword><keyword xml:id="are3070-kwd-0003">morphometry</keyword><keyword xml:id="are3070-kwd-0004">body</keyword><keyword xml:id="are3070-kwd-0005">yolk sac</keyword><keyword xml:id="are3070-kwd-0006">growth</keyword></keywordGroup><abstractGroup><abstract type="main" xml:id="are3070-abs-0001" xml:lang="en"><title type="main">Abstract</title><p>Based on the analysis of 11 morphometric variables of body (total length, body area and perimeter, myotome height and eye diameter) and yolk sac (length, height, area, perimeter and volume) of pike larvae, the aim of this study was to evaluate how larval size at hatching and growth of larvae hatched from single egg batches vary according to three hatching times: early, mid and late. Hatching time structures strongly pike larval morphometrics. Early hatched larvae have smaller body sizes at hatch, faster growth and higher yolk use efficiency than late hatched ones. Early hatched larvae seem to be premature and hatch at precocious developmental stage whereas late hatched individuals continue their growth within the egg shell and hatch at larger size but with lower reserves (yolk). A compensatory growth phase was observed for the early hatching pike larvae particularly during the first 5 days post hatch. Consequently, no significant difference in body parameters was recorded from day 10 post hatching whatever the hatching time. The higher growth accomplished by early hatched larvae may be related to a particular metabolic activity that converts more efficiently yolk into body tissues.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Hatching time effect on the intra‐spawning larval morphology and growth in Northern pike (Esox luciusL.)</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Hatching time effect on the intra‐spawning larval morphology and growth in Northern pike (Esox luciusL.)</title></titleInfo><name type="personal"><namePart type="given">Awatef</namePart><namePart type="family">Trabelsi</namePart><affiliation>Unité de Recherche Animal Fonctionnalités des Produits Animaux, Nancy‐Université INRA, Vandoeuvre‐lès‐Nancy, France</affiliation><affiliation>Laboratoire d'Ecologie Animale et de Planctonologie, Département des Sciences de la Vie, Faculté des Sciences de Sfax, Sfax, Tunisia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jean‐Noël</namePart><namePart type="family">Gardeur</namePart><affiliation>Unité de Recherche Animal Fonctionnalités des Produits Animaux, Nancy‐Université INRA, Vandoeuvre‐lès‐Nancy, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Fabrice</namePart><namePart type="family">Teletchea</namePart><affiliation>Unité de Recherche Animal Fonctionnalités des Produits Animaux, Nancy‐Université INRA, Vandoeuvre‐lès‐Nancy, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jean</namePart><namePart type="family">Brun‐Bellut</namePart><affiliation>Unité de Recherche Animal Fonctionnalités des Produits Animaux, Nancy‐Université INRA, Vandoeuvre‐lès‐Nancy, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Pascal</namePart><namePart type="family">Fontaine</namePart><affiliation>Unité de Recherche Animal Fonctionnalités des Produits Animaux, Nancy‐Université INRA, Vandoeuvre‐lès‐Nancy, France</affiliation><affiliation>E-mail: pascal.fontaine@uhp-nancy.fr</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2013-03</dateIssued><dateCreated encoding="w3cdtf">2011-12-19</dateCreated><copyrightDate encoding="w3cdtf">2013</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Based on the analysis of 11 morphometric variables of body (total length, body area and perimeter, myotome height and eye diameter) and yolk sac (length, height, area, perimeter and volume) of pike larvae, the aim of this study was to evaluate how larval size at hatching and growth of larvae hatched from single egg batches vary according to three hatching times: early, mid and late. Hatching time structures strongly pike larval morphometrics. Early hatched larvae have smaller body sizes at hatch, faster growth and higher yolk use efficiency than late hatched ones. Early hatched larvae seem to be premature and hatch at precocious developmental stage whereas late hatched individuals continue their growth within the egg shell and hatch at larger size but with lower reserves (yolk). A compensatory growth phase was observed for the early hatching pike larvae particularly during the first 5 days post hatch. Consequently, no significant difference in body parameters was recorded from day 10 post hatching whatever the hatching time. The higher growth accomplished by early hatched larvae may be related to a particular metabolic activity that converts more efficiently yolk into body tissues.</abstract><subject><genre>keywords</genre><topic>hatching time</topic><topic>Esox lucius</topic><topic>morphometry</topic><topic>body</topic><topic>yolk sac</topic><topic>growth</topic></subject><relatedItem type="host"><titleInfo><title>Aquaculture Research</title></titleInfo><titleInfo type="abbreviated"><title>Aquac Res</title></titleInfo><genre type="journal">journal</genre><subject><genre>article-category</genre><topic>Original Article</topic></subject><identifier type="ISSN">1355-557X</identifier><identifier type="eISSN">1365-2109</identifier><identifier type="DOI">10.1111/(ISSN)1365-2109</identifier><identifier type="PublisherID">ARE</identifier><part><date>2013</date><detail type="volume"><caption>vol.</caption><number>44</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>657</start><end>666</end><total>10</total></extent></part></relatedItem><identifier type="istex">656181AD4664A511CA89D3D2444BCD810AC0EE45</identifier><identifier type="DOI">10.1111/j.1365-2109.2011.03070.x</identifier><identifier type="ArticleID">ARE3070</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2013 Blackwell Publishing Ltd© 2012 Blackwell Publishing Ltd</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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