Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus
Identifieur interne : 001338 ( Istex/Corpus ); précédent : 001337; suivant : 001339Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus
Auteurs : Shude Xu ; Shuqi Wang ; Liang Zhang ; Cuihong You ; Yuanyou LiSource :
- Aquaculture Research [ 1355-557X ] ; 2012-08.
Abstract
Fish oil (FO) substitution has been studied in many marine carnivorous fish, but seldom in marine herbivorous or omnivorous species. To evaluate the feasibility of using soybean oil (SO) as a dietary lipid and confirm its capability of converting C18 polyunsaturated fatty acid (PUFA) into long chain polyunsaturated fatty acid (LC‐PUFA) in the marine herbivorous teleost Siganus canaliculatus, juvenile fish were fed with four formulated diets differing in lipid composition, with SO accounting for 0.76% (SO0), 23% (SO23), 45% (SO45) and 67% (SO67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the SO23 and, especially, SO45 groups than in the SO0 and SO67 groups (P < 0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (EPA), docosapentaenoic (DPA), docosahexaenoic (DHA) acids and total n‐3 PUFA displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of EPA, DPA and total n‐3 PUFA between SO0 and SO23 groups, and the liver contents of arachidonic acid (ARA) and 20:4n‐3, as well as the muscle content of 20:3n‐6 between SO0 and SO45 groups showed no difference, confirming the biosynthesis of LC‐PUFA from C18 precursors in vivo as the contents of corresponding fatty acids in diets SO23/SO45 were much lower than those in diet SO0 (P < 0.05). The results indicate that SO may be a suitable dietary lipid source for S. canaliculatus, and can replace up to 67% or 45% of total dietary FO without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of FO substitution in marine herbivorous fish.
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DOI: 10.1111/j.1365-2109.2011.02931.x
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title><author><name sortKey="Xu, Shude" sort="Xu, Shude" uniqKey="Xu S" first="Shude" last="Xu">Shude Xu</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Wang, Shuqi" sort="Wang, Shuqi" uniqKey="Wang S" first="Shuqi" last="Wang">Shuqi Wang</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Zhang, Liang" sort="Zhang, Liang" uniqKey="Zhang L" first="Liang" last="Zhang">Liang Zhang</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="You, Cuihong" sort="You, Cuihong" uniqKey="You C" first="Cuihong" last="You">Cuihong You</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Li, Yuanyou" sort="Li, Yuanyou" uniqKey="Li Y" first="Yuanyou" last="Li">Yuanyou Li</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: yyli@stu.edu.cn</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:13A6FBAA072E88F86D0643981928F5B030604775</idno><date when="2012" year="2012">2012</date><idno type="doi">10.1111/j.1365-2109.2011.02931.x</idno><idno type="url">https://api.istex.fr/document/13A6FBAA072E88F86D0643981928F5B030604775/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001338</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">001338</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title><author><name sortKey="Xu, Shude" sort="Xu, Shude" uniqKey="Xu S" first="Shude" last="Xu">Shude Xu</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Wang, Shuqi" sort="Wang, Shuqi" uniqKey="Wang S" first="Shuqi" last="Wang">Shuqi Wang</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Zhang, Liang" sort="Zhang, Liang" uniqKey="Zhang L" first="Liang" last="Zhang">Liang Zhang</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="You, Cuihong" sort="You, Cuihong" uniqKey="You C" first="Cuihong" last="You">Cuihong You</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation></author><author><name sortKey="Li, Yuanyou" sort="Li, Yuanyou" uniqKey="Li Y" first="Yuanyou" last="Li">Yuanyou Li</name><affiliation><mods:affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</mods:affiliation></affiliation><affiliation><mods:affiliation>E-mail: yyli@stu.edu.cn</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Aquaculture Research</title><title level="j" type="abbrev">Aquac. Res.</title><idno type="ISSN">1355-557X</idno><idno type="eISSN">1365-2109</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2012-08">2012-08</date><biblScope unit="volume">43</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="1276">1276</biblScope><biblScope unit="page" to="1286">1286</biblScope></imprint><idno type="ISSN">1355-557X</idno></series><idno type="istex">13A6FBAA072E88F86D0643981928F5B030604775</idno><idno type="DOI">10.1111/j.1365-2109.2011.02931.x</idno><idno type="ArticleID">ARE2931</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1355-557X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Fish oil (FO) substitution has been studied in many marine carnivorous fish, but seldom in marine herbivorous or omnivorous species. To evaluate the feasibility of using soybean oil (SO) as a dietary lipid and confirm its capability of converting C18 polyunsaturated fatty acid (PUFA) into long chain polyunsaturated fatty acid (LC‐PUFA) in the marine herbivorous teleost Siganus canaliculatus, juvenile fish were fed with four formulated diets differing in lipid composition, with SO accounting for 0.76% (SO0), 23% (SO23), 45% (SO45) and 67% (SO67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the SO23 and, especially, SO45 groups than in the SO0 and SO67 groups (P < 0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (EPA), docosapentaenoic (DPA), docosahexaenoic (DHA) acids and total n‐3 PUFA displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of EPA, DPA and total n‐3 PUFA between SO0 and SO23 groups, and the liver contents of arachidonic acid (ARA) and 20:4n‐3, as well as the muscle content of 20:3n‐6 between SO0 and SO45 groups showed no difference, confirming the biosynthesis of LC‐PUFA from C18 precursors in vivo as the contents of corresponding fatty acids in diets SO23/SO45 were much lower than those in diet SO0 (P < 0.05). The results indicate that SO may be a suitable dietary lipid source for S. canaliculatus, and can replace up to 67% or 45% of total dietary FO without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of FO substitution in marine herbivorous fish.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Shude Xu</name><affiliations><json:string>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</json:string></affiliations></json:item><json:item><name>Shuqi Wang</name><affiliations><json:string>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</json:string></affiliations></json:item><json:item><name>Liang Zhang</name><affiliations><json:string>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</json:string></affiliations></json:item><json:item><name>Cuihong You</name><affiliations><json:string>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</json:string></affiliations></json:item><json:item><name>Yuanyou Li</name><affiliations><json:string>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</json:string><json:string>E-mail: yyli@stu.edu.cn</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Siganus canaliculatus</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>soybean oil</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>herbivorous</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>marine teleost</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>growth performance</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>fatty acid composition</value></json:item></subject><articleId><json:string>ARE2931</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Fish oil (FO) substitution has been studied in many marine carnivorous fish, but seldom in marine herbivorous or omnivorous species. To evaluate the feasibility of using soybean oil (SO) as a dietary lipid and confirm its capability of converting C18 polyunsaturated fatty acid (PUFA) into long chain polyunsaturated fatty acid (LC‐PUFA) in the marine herbivorous teleost Siganus canaliculatus, juvenile fish were fed with four formulated diets differing in lipid composition, with SO accounting for 0.76% (SO0), 23% (SO23), 45% (SO45) and 67% (SO67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the SO23 and, especially, SO45 groups than in the SO0 and SO67 groups (P > 0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (EPA), docosapentaenoic (DPA), docosahexaenoic (DHA) acids and total n‐3 PUFA displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of EPA, DPA and total n‐3 PUFA between SO0 and SO23 groups, and the liver contents of arachidonic acid (ARA) and 20:4n‐3, as well as the muscle content of 20:3n‐6 between SO0 and SO45 groups showed no difference, confirming the biosynthesis of LC‐PUFA from C18 precursors in vivo as the contents of corresponding fatty acids in diets SO23/SO45 were much lower than those in diet SO0 (P > 0.05). The results indicate that SO may be a suitable dietary lipid source for S. canaliculatus, and can replace up to 67% or 45% of total dietary FO without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of FO substitution in marine herbivorous fish.</abstract><qualityIndicators><score>8</score><pdfVersion>1.3</pdfVersion><pdfPageSize>595.276 x 782.362 pts</pdfPageSize><refBibsNative>true</refBibsNative><abstractCharCount>1824</abstractCharCount><pdfWordCount>5715</pdfWordCount><pdfCharCount>38000</pdfCharCount><pdfPageCount>11</pdfPageCount><abstractWordCount>279</abstractWordCount></qualityIndicators><title>Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title><genre><json:string>article</json:string></genre><host><volume>43</volume><publisherId><json:string>ARE</json:string></publisherId><pages><total>11</total><last>1286</last><first>1276</first></pages><issn><json:string>1355-557X</json:string></issn><issue>9</issue><subject><json:item><value>Original Article</value></json:item></subject><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><eissn><json:string>1365-2109</json:string></eissn><title>Aquaculture Research</title><doi><json:string>10.1111/(ISSN)1365-2109</json:string></doi></host><categories><wos><json:string>science</json:string><json:string>fisheries</json:string></wos><scienceMetrix><json:string>applied sciences</json:string><json:string>agriculture, fisheries & forestry</json:string><json:string>fisheries</json:string></scienceMetrix></categories><publicationDate>2012</publicationDate><copyrightDate>2012</copyrightDate><doi><json:string>10.1111/j.1365-2109.2011.02931.x</json:string></doi><id>13A6FBAA072E88F86D0643981928F5B030604775</id><score>0.0277214</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/13A6FBAA072E88F86D0643981928F5B030604775/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/13A6FBAA072E88F86D0643981928F5B030604775/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/13A6FBAA072E88F86D0643981928F5B030604775/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><availability><p>Copyright © 2012 Blackwell Publishing Ltd© 2011 Blackwell Publishing Ltd</p></availability><date>2011-07-11</date></publicationStmt><notesStmt><note>National Natural Science Foundation of China (NSFC) - No. 30972266; No. 30671629;</note><note>NSFC‐RS (Royal Society) - No. 31011130156;</note><note>Science and Technology Project of Guangdong Province - No. 2006A36502004;</note><note>Project for Transformation of Scientific and Technological Achievements of Guangdong Colleges and Universities - No. cgzhzd0812;</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title><author xml:id="author-1"><persName><forename type="first">Shude</forename><surname>Xu</surname></persName><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation></author><author xml:id="author-2"><persName><forename type="first">Shuqi</forename><surname>Wang</surname></persName><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation></author><author xml:id="author-3"><persName><forename type="first">Liang</forename><surname>Zhang</surname></persName><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation></author><author xml:id="author-4"><persName><forename type="first">Cuihong</forename><surname>You</surname></persName><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation></author><author xml:id="author-5"><persName><forename type="first">Yuanyou</forename><surname>Li</surname></persName><email>yyli@stu.edu.cn</email><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation></author></analytic><monogr><title level="j">Aquaculture Research</title><title level="j" type="abbrev">Aquac. 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To evaluate the feasibility of using soybean oil (SO) as a dietary lipid and confirm its capability of converting C18 polyunsaturated fatty acid (PUFA) into long chain polyunsaturated fatty acid (LC‐PUFA) in the marine herbivorous teleost Siganus canaliculatus, juvenile fish were fed with four formulated diets differing in lipid composition, with SO accounting for 0.76% (SO0), 23% (SO23), 45% (SO45) and 67% (SO67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the SO23 and, especially, SO45 groups than in the SO0 and SO67 groups (P < 0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (EPA), docosapentaenoic (DPA), docosahexaenoic (DHA) acids and total n‐3 PUFA displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of EPA, DPA and total n‐3 PUFA between SO0 and SO23 groups, and the liver contents of arachidonic acid (ARA) and 20:4n‐3, as well as the muscle content of 20:3n‐6 between SO0 and SO45 groups showed no difference, confirming the biosynthesis of LC‐PUFA from C18 precursors in vivo as the contents of corresponding fatty acids in diets SO23/SO45 were much lower than those in diet SO0 (P < 0.05). The results indicate that SO may be a suitable dietary lipid source for S. canaliculatus, and can replace up to 67% or 45% of total dietary FO without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of FO substitution in marine herbivorous fish.</p></abstract><textClass><keywords scheme="keyword"><list><head>keywords</head><item><term>Siganus canaliculatus</term></item><item><term>soybean oil</term></item><item><term>herbivorous</term></item><item><term>marine teleost</term></item><item><term>growth performance</term></item><item><term>fatty acid composition</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>article-category</head><item><term>Original Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2011-07-11">Created</change><change when="2012-08">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/13A6FBAA072E88F86D0643981928F5B030604775/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:id="are2931" xml:lang="en"><header><publicationMeta level="product"><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-2109</doi><issn type="print">1355-557X</issn><issn type="electronic">1365-2109</issn><idGroup><id type="product" value="ARE"></id></idGroup><titleGroup><title sort="AQUACULTURE RESEARCH" type="main">Aquaculture Research</title><title type="short">Aquac. Res.</title></titleGroup></publicationMeta><publicationMeta level="part" position="08109"><doi origin="wiley">10.1111/are.2012.43.issue-9</doi><copyright ownership="publisher">Copyright © 2012 Blackwell Publishing Ltd</copyright><numberingGroup><numbering type="journalVolume" number="43">43</numbering><numbering type="journalIssue">9</numbering></numberingGroup><coverDate startDate="2012-08">August 2012</coverDate></publicationMeta><publicationMeta level="unit" position="30" status="forIssue" type="article"><doi>10.1111/j.1365-2109.2011.02931.x</doi><idGroup><id type="unit" value="ARE2931"></id></idGroup><countGroup><count number="11" type="pageTotal"></count></countGroup><titleGroup><title type="articleCategory">Original Article</title><title type="tocHeading1">Original Articles</title></titleGroup><copyright ownership="publisher">© 2011 Blackwell Publishing Ltd</copyright><eventGroup><event agent="SPS" date="2011-07-11" type="xmlCreated"></event><event agent="SPS" date="2011-08-10" type="xmlCorrected"></event><event type="publishedOnlineEarlyUnpaginated" date="2011-08-05"></event><event type="firstOnline" date="2011-08-05"></event><event type="publishedOnlineFinalForm" date="2012-08-07"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-06"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.3.4 mode:FullText" date="2015-02-25"></event></eventGroup><numberingGroup><numbering type="pageFirst">1276</numbering><numbering type="pageLast">1286</numbering></numberingGroup><correspondenceTo>Y Li, Marine Biology Institute, Shantou University, Shantou, Guangdong 515063, China. E‐mail: <email>yyli@stu.edu.cn</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:ARE.ARE2931.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost <fc><i>S</i></fc><i>iganus canaliculatus</i></title><title type="shortAuthors"><i>S Xu</i> <i>et al</i>.</title></titleGroup><creators><creator affiliationRef="#are2931-aff-0001" creatorRole="author" xml:id="are2931-cr-0001"><personName><givenNames>Shude</givenNames><familyName>Xu</familyName></personName></creator><creator affiliationRef="#are2931-aff-0001" creatorRole="author" xml:id="are2931-cr-0002"><personName><givenNames>Shuqi</givenNames><familyName>Wang</familyName></personName></creator><creator affiliationRef="#are2931-aff-0001" creatorRole="author" xml:id="are2931-cr-0003"><personName><givenNames>Liang</givenNames><familyName>Zhang</familyName></personName></creator><creator affiliationRef="#are2931-aff-0001" creatorRole="author" xml:id="are2931-cr-0004"><personName><givenNames>Cuihong</givenNames><familyName>You</familyName></personName></creator><creator affiliationRef="#are2931-aff-0001" corresponding="yes" creatorRole="author" xml:id="are2931-cr-0005"><personName><givenNames>Yuanyou</givenNames><familyName>Li</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="CN" type="organization" xml:id="are2931-aff-0001"><orgName>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University</orgName> <address><city>Shantou</city> <countryPart>Guangdong</countryPart> <country>China</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="are2931-kwd-0001"><fc><i>S</i></fc><i>iganus canaliculatus</i></keyword><keyword xml:id="are2931-kwd-0002">soybean oil</keyword><keyword xml:id="are2931-kwd-0003">herbivorous</keyword><keyword xml:id="are2931-kwd-0004">marine teleost</keyword><keyword xml:id="are2931-kwd-0005">growth performance</keyword><keyword xml:id="are2931-kwd-0006">fatty acid composition</keyword></keywordGroup><fundingInfo><fundingAgency>National Natural Science Foundation of China (NSFC)</fundingAgency><fundingNumber>30972266</fundingNumber><fundingNumber>30671629</fundingNumber></fundingInfo><fundingInfo><fundingAgency>NSFC‐RS (Royal Society)</fundingAgency><fundingNumber>31011130156</fundingNumber></fundingInfo><fundingInfo><fundingAgency>Science and Technology Project of Guangdong Province</fundingAgency><fundingNumber>2006A36502004</fundingNumber></fundingInfo><fundingInfo><fundingAgency>Project for Transformation of Scientific and Technological Achievements of Guangdong Colleges and Universities</fundingAgency><fundingNumber>cgzhzd0812</fundingNumber></fundingInfo><abstractGroup><abstract type="main" xml:id="are2931-abs-0001"><title type="main">Abstract</title><p>Fish oil (<fc>FO</fc>) substitution has been studied in many marine carnivorous fish, but seldom in marine herbivorous or omnivorous species. To evaluate the feasibility of using soybean oil (<fc>SO</fc>) as a dietary lipid and confirm its capability of converting <fc>C</fc><sub>18</sub> polyunsaturated fatty acid (<fc>PUFA</fc>) into long chain polyunsaturated fatty acid (<fc>LC</fc>‐<fc>PUFA</fc>) in the marine herbivorous teleost <fc><i>S</i></fc><i>iganus canaliculatus</i>, juvenile fish were fed with four formulated diets differing in lipid composition, with <fc>SO</fc> accounting for 0.76% (<fc>SO</fc>0), 23% (<fc>SO</fc>23), 45% (<fc>SO</fc>45) and 67% (<fc>SO</fc>67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the <fc>SO</fc>23 and, especially, <fc>SO</fc>45 groups than in the <fc>SO</fc>0 and <fc>SO</fc>67 groups (<i>P </i><<i> </i>0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (<fc>EPA</fc>), docosapentaenoic (<fc>DPA</fc>), docosahexaenoic (<fc>DHA</fc>) acids and total <i>n</i>‐3 <fc>PUFA</fc> displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of <fc>EPA</fc>, <fc>DPA</fc> and total <i>n</i>‐3 <fc>PUFA</fc> between <fc>SO</fc>0 and <fc>SO</fc>23 groups, and the liver contents of arachidonic acid (<fc>ARA</fc>) and 20:4<i>n</i>‐3, as well as the muscle content of 20:3<i>n</i>‐6 between <fc>SO</fc>0 and <fc>SO</fc>45 groups showed no difference, confirming the biosynthesis of <fc>LC</fc>‐<fc>PUFA</fc> from <fc>C</fc><sub>18</sub> precursors <i>in vivo</i> as the contents of corresponding fatty acids in diets <fc>SO</fc>23/<fc>SO</fc>45 were much lower than those in diet <fc>SO</fc>0 (<i>P </i><<i> </i>0.05). The results indicate that <fc>SO</fc> may be a suitable dietary lipid source for <fc><i>S</i></fc><i>. canaliculatus</i>, and can replace up to 67% or 45% of total dietary <fc>FO</fc> without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of <fc>FO</fc> substitution in marine herbivorous fish.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Effects of replacement of dietary fish oil with soybean oil on growth performance and tissue fatty acid composition in marine herbivorous teleost Siganus canaliculatus</title></titleInfo><name type="personal"><namePart type="given">Shude</namePart><namePart type="family">Xu</namePart><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Shuqi</namePart><namePart type="family">Wang</namePart><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Liang</namePart><namePart type="family">Zhang</namePart><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Cuihong</namePart><namePart type="family">You</namePart><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Yuanyou</namePart><namePart type="family">Li</namePart><affiliation>Guangdong Provincial Key Laboratory of Marine Biology in Shantou University, Guangdong, Shantou, China</affiliation><affiliation>E-mail: yyli@stu.edu.cn</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">2012-08</dateIssued><dateCreated encoding="w3cdtf">2011-07-11</dateCreated><copyrightDate encoding="w3cdtf">2012</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>Fish oil (FO) substitution has been studied in many marine carnivorous fish, but seldom in marine herbivorous or omnivorous species. To evaluate the feasibility of using soybean oil (SO) as a dietary lipid and confirm its capability of converting C18 polyunsaturated fatty acid (PUFA) into long chain polyunsaturated fatty acid (LC‐PUFA) in the marine herbivorous teleost Siganus canaliculatus, juvenile fish were fed with four formulated diets differing in lipid composition, with SO accounting for 0.76% (SO0), 23% (SO23), 45% (SO45) and 67% (SO67) of total dietary lipid respectively. After feeding for 8 weeks, growth performance including weight gain, specific growth rate, feed conversion ratio and protein efficiency rate were better in the SO23 and, especially, SO45 groups than in the SO0 and SO67 groups (P < 0.05). Tissue fatty acid compositions were affected by diet, with the liver contents of eicosapentaenoic (EPA), docosapentaenoic (DPA), docosahexaenoic (DHA) acids and total n‐3 PUFA displaying parallel changes with the corresponding dietary fatty acids. While the muscle contents of EPA, DPA and total n‐3 PUFA between SO0 and SO23 groups, and the liver contents of arachidonic acid (ARA) and 20:4n‐3, as well as the muscle content of 20:3n‐6 between SO0 and SO45 groups showed no difference, confirming the biosynthesis of LC‐PUFA from C18 precursors in vivo as the contents of corresponding fatty acids in diets SO23/SO45 were much lower than those in diet SO0 (P < 0.05). The results indicate that SO may be a suitable dietary lipid source for S. canaliculatus, and can replace up to 67% or 45% of total dietary FO without negatively compromising growth performance or nutritional quality of fish respectively. Moreover, the study increases our knowledge of FO substitution in marine herbivorous fish.</abstract><note type="funding">National Natural Science Foundation of China (NSFC) - No. 30972266; No. 30671629; </note><note type="funding">NSFC‐RS (Royal Society) - No. 31011130156; </note><note type="funding">Science and Technology Project of Guangdong Province - No. 2006A36502004; </note><note type="funding">Project for Transformation of Scientific and Technological Achievements of Guangdong Colleges and Universities - No. cgzhzd0812; </note><subject><genre>keywords</genre><topic>Siganus canaliculatus</topic><topic>soybean oil</topic><topic>herbivorous</topic><topic>marine teleost</topic><topic>growth performance</topic><topic>fatty acid composition</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>2012</date><detail type="volume"><caption>vol.</caption><number>43</number></detail><detail type="issue"><caption>no.</caption><number>9</number></detail><extent unit="pages"><start>1276</start><end>1286</end><total>11</total></extent></part></relatedItem><identifier type="istex">13A6FBAA072E88F86D0643981928F5B030604775</identifier><identifier type="DOI">10.1111/j.1365-2109.2011.02931.x</identifier><identifier type="ArticleID">ARE2931</identifier><accessCondition type="use and reproduction" contentType="copyright">Copyright © 2012 Blackwell Publishing Ltd© 2011 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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