Please use this identifier to cite or link to this item:
Full metadata record
DC FieldValueLanguage
dc.contributor.authorNorambuena, Fernandoen_UK
dc.contributor.authorEstevez, Aliciaen_UK
dc.contributor.authorBell, J Gordonen_UK
dc.contributor.authorCarazo, Ignacioen_UK
dc.contributor.authorDuncan, Neilen_UK
dc.description.abstractA complete reproductive failure to spawn viable eggs from G1 cultured Senegalese sole (Solea senegalensis) broodstock compared to successful spawning from wild caught captive broodstock has been described previously. The aim of the present study was to compare the proximate and fatty acid composition of recently caught mature wild versus mature G1 Senegalese sole, to identify possible factors that contribute to this reproductive problem. The composition of 22 wild fish, captured in the Ebro Delta (Tarragona, Spain), was compared with 25 cultured fish raised under natural captive conditions. Significantly higher levels of total lipid were found, in male liver from G1 fish compared to wild fish (3.0- and 2.5-fold higher in female and male respectively). Similarly, the neutral lipid class was significantly higher in liver (88 and 90% total lipids (TL) from female and male, respectively) and male muscle (64% TL) from cultured fish. The relative value of linoleic acid (18:2n - 6) was significantly higher in all tissues from cultured fish (approximately 11, 9 and 7.4% total fatty acid (TFA) in liver, gonads and muscle respectively). However, significantly lower levels were observed in cultured fish for the essential fatty acids, arachidonic (20:4n - 6, ARA) in the liver (4.6-fold down male and 2.4-fold in female), testes (1.4-fold down) and muscle (2.9- and 2.0-fold down in male and female respectively); docosahexaenoic (22:6n - 3, DHA) in liver (1.6- and 1.3 fold down in G1 female and male) and male muscle (1.3-fold down); eicosapentaenoic (20:5n - 3, EPA) in muscle of male (1.4-fold down) and for cholesterol (CHOL) in liver of female (22% in wild and 7.8% in G1) and male (20 in wild and 7.0% in G1). These differences resulted in significantly higher ratios of EPA/ARA in the liver and muscle of cultured fish. The imbalance in lipids and essential fatty acids (EFAs) of G1 fish appeared to be a reflection of the extruded diet used to feed the fish. Future research should consider the effect of the nutritional imbalance on reproductive physiology of G1 fish, specially the effects of ARA and CHOL on prostaglandins (2- and 3-series) and steroid production.en_UK
dc.relationNorambuena F, Estevez A, Bell JG, Carazo I & Duncan N (2012) Proximate and fatty acid compositions in muscle, liver and gonads of wild versus cultured broodstock of Senegalese sole (Solea senegalensis). Aquaculture, 356-357, pp. 176-185.
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Please note that requests are being mediated by the repository librarian and you may encounter delays while the author is being contacted.en_UK
dc.subjectSolea senegalensisen_UK
dc.subjectFatty acidsen_UK
dc.subjectArachidonic aciden_UK
dc.titleProximate and fatty acid compositions in muscle, liver and gonads of wild versus cultured broodstock of Senegalese sole (Solea senegalensis)en_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[NorambuenaEtal_Aquaculture_2012.pdf] The publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.en_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationIRTA-Sant Carles de la Rapita, Spainen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationIRTA-Sant Carles de la Rapita, Spainen_UK
dc.contributor.affiliationIRTA-Sant Carles de la Rapita, Spainen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorNorambuena, Fernando|en_UK
local.rioxx.authorEstevez, Alicia|en_UK
local.rioxx.authorBell, J Gordon|en_UK
local.rioxx.authorCarazo, Ignacio|en_UK
local.rioxx.authorDuncan, Neil|en_UK
local.rioxx.projectInternal Project|University of Stirling|
Appears in Collections:Aquaculture Journal Articles

Files in This Item:
File Description SizeFormat 
NorambuenaEtal_Aquaculture_2012.pdfFulltext - Published Version1.02 MBAdobe PDFUnder Embargo until 2999-12-19    Request a copy

This item is protected by original copyright

Items in the Repository are protected by copyright, with all rights reserved, unless otherwise indicated.

The metadata of the records in the Repository are available under the CC0 public domain dedication: No Rights Reserved

If you believe that any material held in STORRE infringes copyright, please contact providing details and we will remove the Work from public display in STORRE and investigate your claim.