Acclimation potential of Acipenser persicus post‐larvae to abrupt or gradual increase in salinity
Identifieur interne : 000907 ( Istex/Corpus ); précédent : 000906; suivant : 000908Acclimation potential of Acipenser persicus post‐larvae to abrupt or gradual increase in salinity
Auteurs : M. M. Khatooni ; B. M. Amiri ; S. H. Hoseinifar ; V. Jafari ; N. MakhdomiSource :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 2011-04.
Abstract
Besides commercial aquaculture another major aim of sturgeon culture is in support of restocking programmes. Identifying the appropriate size, age and location for release of post‐larvae or fingerlings is very important to achieve success. We investigated the potential acclimation ability of Acipenser persicus post larvae (245 ± 21.53 mg) to abrupt changes of salinity. Reared post‐larvae (salinity 0.5) were exposed, either abruptly or gradually to brackish water (salinities: 2, 4, 6, 8, and approximately 12.5) for 5 days (120 h). Daily survival rate, gill chloride cell counts, and variation in glomeruli size were measured during exposure periods in both trails. These parameters were compared at the start and end of each trial. No mortality was observed during gradual adaptation to brackish water while chloride cell counts differed significantly (P < 0.05) at 6 ppt vs 12 ppt. In the gradual exposure trial, glomeruli sizes displayed a reduction with salinity increase from 8 to 12, this result was observed again between 96 and 120 h exposure to (12.5) in the abrupt exposure trial. In addition, post‐larvae exposed to a gradual salinity increase had significantly higher final weights than those exposed to an abrupt salinity increase. Based on our result, it seems that A. persicus post‐larvae exhibit some acclimation ability to gradual salinity change.
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DOI: 10.1111/j.1439-0426.2011.01734.x
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Identifying the appropriate size, age and location for release of post‐larvae or fingerlings is very important to achieve success. We investigated the potential acclimation ability of Acipenser persicus post larvae (245 ± 21.53 mg) to abrupt changes of salinity. Reared post‐larvae (salinity 0.5) were exposed, either abruptly or gradually to brackish water (salinities: 2, 4, 6, 8, and approximately 12.5) for 5 days (120 h). Daily survival rate, gill chloride cell counts, and variation in glomeruli size were measured during exposure periods in both trails. These parameters were compared at the start and end of each trial. No mortality was observed during gradual adaptation to brackish water while chloride cell counts differed significantly (P < 0.05) at 6 ppt vs 12 ppt. In the gradual exposure trial, glomeruli sizes displayed a reduction with salinity increase from 8 to 12, this result was observed again between 96 and 120 h exposure to (12.5) in the abrupt exposure trial. In addition, post‐larvae exposed to a gradual salinity increase had significantly higher final weights than those exposed to an abrupt salinity increase. Based on our result, it seems that A. persicus post‐larvae exhibit some acclimation ability to gradual salinity change.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>M. M. Khatooni</name><affiliations><json:string>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</json:string></affiliations></json:item><json:item><name>B. M. Amiri</name><affiliations><json:string>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</json:string></affiliations></json:item><json:item><name>S. H. Hoseinifar</name><affiliations><json:string>Young researchers club, IAU‐Varamin‐Pishva branch, Varamin, Iran</json:string></affiliations></json:item><json:item><name>V. 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E‐mail: <email>Maryamkhatooni85@gmail.com</email></correspondenceTo><linkGroup><link type="toTypesetVersion" href="file:JAI.JAI1734.pdf"></link></linkGroup></publicationMeta><contentMeta><unparsedEditorialHistory>Received: June 26, 2010 Accepted: December 20, 2010</unparsedEditorialHistory><countGroup><count type="figureTotal" number="7"></count><count type="tableTotal" number="1"></count></countGroup><titleGroup><title type="main">Acclimation potential of <i>Acipenser persicus</i> post‐larvae to abrupt or gradual increase in salinity</title><title type="shortAuthors">M. M. Khatooni et al.</title><title type="short">Acclimation potential of <i>Acipenser persicus</i> post‐larvae</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>M. M.</givenNames><familyName>Khatooni</familyName></personName></creator><creator creatorRole="author" xml:id="cr2" affiliationRef="#a1"><personName><givenNames>B. M.</givenNames><familyName>Amiri</familyName></personName></creator><creator creatorRole="author" xml:id="cr3" affiliationRef="#a2"><personName><givenNames>S. H.</givenNames><familyName>Hoseinifar</familyName></personName></creator><creator creatorRole="author" xml:id="cr4" affiliationRef="#a3"><personName><givenNames>V.</givenNames><familyName>Jafari</familyName></personName></creator><creator creatorRole="author" xml:id="cr5" affiliationRef="#a4"><personName><givenNames>N.</givenNames><familyName>Makhdomi</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1"><unparsedAffiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</unparsedAffiliation></affiliation><affiliation xml:id="a2"><unparsedAffiliation>Young researchers club, IAU‐Varamin‐Pishva branch, Varamin, Iran</unparsedAffiliation></affiliation><affiliation xml:id="a3"><unparsedAffiliation>Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran</unparsedAffiliation></affiliation><affiliation xml:id="a4"><unparsedAffiliation>Shahid Marjani Sturgeon Propagation and Cultivation Centre, Golestan Province, Iran</unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">Summary</title><p>Besides commercial aquaculture another major aim of sturgeon culture is in support of restocking programmes. Identifying the appropriate size, age and location for release of post‐larvae or fingerlings is very important to achieve success. We investigated the potential acclimation ability of <i>Acipenser persicus</i> post larvae (245 ± 21.53 mg) to abrupt changes of salinity. Reared post‐larvae (salinity 0.5) were exposed, either abruptly or gradually to brackish water (salinities: 2, 4, 6, 8, and approximately 12.5) for 5 days (120 h). Daily survival rate, gill chloride cell counts, and variation in glomeruli size were measured during exposure periods in both trails. These parameters were compared at the start and end of each trial. No mortality was observed during gradual adaptation to brackish water while chloride cell counts differed significantly (P < 0.05) at 6 ppt vs 12 ppt. In the gradual exposure trial, glomeruli sizes displayed a reduction with salinity increase from 8 to 12, this result was observed again between 96 and 120 h exposure to (12.5) in the abrupt exposure trial. In addition, post‐larvae exposed to a gradual salinity increase had significantly higher final weights than those exposed to an abrupt salinity increase. Based on our result, it seems that <i>A. persicus</i> post‐larvae exhibit some acclimation ability to gradual salinity change.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Acclimation potential of Acipenser persicus post‐larvae to abrupt or gradual increase in salinity</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Acclimation potential of Acipenser persicus post‐larvae</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Acclimation potential of Acipenser persicus post‐larvae to abrupt or gradual increase in salinity</title></titleInfo><name type="personal"><namePart type="given">M. M.</namePart><namePart type="family">Khatooni</namePart><affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B. M.</namePart><namePart type="family">Amiri</namePart><affiliation>Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S. H.</namePart><namePart type="family">Hoseinifar</namePart><affiliation>Young researchers club, IAU‐Varamin‐Pishva branch, Varamin, Iran</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">V.</namePart><namePart type="family">Jafari</namePart><affiliation>Department of Fisheries, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">N.</namePart><namePart type="family">Makhdomi</namePart><affiliation>Shahid Marjani Sturgeon Propagation and Cultivation Centre, Golestan Province, Iran</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">2011-04</dateIssued><edition>Received: June 26, 2010 Accepted: December 20, 2010</edition><copyrightDate encoding="w3cdtf">2011</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">7</extent><extent unit="tables">1</extent></physicalDescription><abstract lang="en">Besides commercial aquaculture another major aim of sturgeon culture is in support of restocking programmes. Identifying the appropriate size, age and location for release of post‐larvae or fingerlings is very important to achieve success. We investigated the potential acclimation ability of Acipenser persicus post larvae (245 ± 21.53 mg) to abrupt changes of salinity. Reared post‐larvae (salinity 0.5) were exposed, either abruptly or gradually to brackish water (salinities: 2, 4, 6, 8, and approximately 12.5) for 5 days (120 h). Daily survival rate, gill chloride cell counts, and variation in glomeruli size were measured during exposure periods in both trails. These parameters were compared at the start and end of each trial. No mortality was observed during gradual adaptation to brackish water while chloride cell counts differed significantly (P < 0.05) at 6 ppt vs 12 ppt. In the gradual exposure trial, glomeruli sizes displayed a reduction with salinity increase from 8 to 12, this result was observed again between 96 and 120 h exposure to (12.5) in the abrupt exposure trial. In addition, post‐larvae exposed to a gradual salinity increase had significantly higher final weights than those exposed to an abrupt salinity increase. Based on our result, it seems that A. persicus post‐larvae exhibit some acclimation ability to gradual salinity change.</abstract><relatedItem type="host"><titleInfo><title>Journal of Applied Ichthyology</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0175-8659</identifier><identifier type="eISSN">1439-0426</identifier><identifier type="DOI">10.1111/(ISSN)1439-0426</identifier><identifier type="PublisherID">JAI</identifier><part><date>2011</date><detail type="title"><title>Proceedings of the 6th International Symposium on Sturgeon Wuhan, China October 25‐31, 2009</title></detail><detail type="volume"><caption>vol.</caption><number>27</number></detail><detail type="issue"><caption>no.</caption><number>2</number></detail><extent unit="pages"><start>528</start><end>532</end></extent></part></relatedItem><identifier type="istex">88C164B5B51EEADDD6C49C4104F917CCACDA8CC2</identifier><identifier type="DOI">10.1111/j.1439-0426.2011.01734.x</identifier><identifier type="ArticleID">JAI1734</identifier><accessCondition type="use and reproduction" contentType="copyright">© 2011 Blackwell Verlag, Berlin</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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