Effect of alternate feeding with fish oil- and peanut oil-based diets on the growth and fatty acid compositions of European seabass fingerlings (Dicentrarchus labrax) in the recirculated systems

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dc.authoridKarayucel, Ismihan/0000-0003-2520-7545
dc.authoridDernekbasi, Seval/0000-0001-5735-2486
dc.contributor.authorDernekbasi, Seval
dc.contributor.authorKarayucel, Ismihan
dc.date.accessioned2025-03-23T19:32:02Z
dc.date.available2025-03-23T19:32:02Z
dc.date.issued2021
dc.departmentSinop Üniversitesi
dc.description.abstractThe aim of this study was to evaluate the effects of alternate feeding regime with fish oil- and peanut oil-based diets on fatty acid profiles and growth performances of European seabass fingerlings (Dicentrarchus labrax). Six trials were implemented; fish oil trial [C; continuously fed by diet with fish oil (FO)], peanut oil trial [P; continuously fed by diet with peanut oil (PO)], mixture oil trial (PC; continuously fed by diet containing both %50 FO and %50 PO), alternate cycled feeding three trials [(3P/3C; fish fed by diet with PO for 3 weeks and FO for the following 3 weeks), (3PC/3C; fish fed by diet with PC for 3 weeks and FO for following 3 weeks) and (9P/3C; fish fed by diet with P for 9 weeks and C for following 3 weeks)] for 12 weeks. Significantly higher SGR and the best FCR were detected in P and 3PC/3C and 9P/3C groups, respectively, compared with C group (p > 0.05). The lowest HSI and VSI were in the C group (p > 0.05). The highest crude protein was determined in 3P/3C group while protein ratios were higher in cycled fed groups than in the experimental groups (p > 0.05). The highest crude lipid were detected in P group (p > 0.05). The higher SFA level was detected in 9P/3C group (p < 0.05), whereas C group had the lowest content. While P group had the highest fillet MUFA content, which was predominantly made up of OA, the lowest MUFA was determined in the 3PC/3C and C groups. The highest LA was observed in C group (p < 0.05). The ArA was higher in the cycled fed groups than the diet groups. EPA, n-3 PUFA and n3/n6 rates were significantly higher (p < 0.05) in cycled fed groups, compared with the diet groups. The DHA ratio was significantly lower in 9P/3C group compared with the other groups. Also, the lipid quality of the flesh was directly related to the EPA and DHA ratios, and a higher quality product was revealed at the end of cycled feeding with the low IA, IT and high FLQ and h/H values obtained. This study shows that cycled feeding regimes by diets including vegetables oil and FO may be used in European seabass culture.
dc.description.sponsorshipSinop University Scientific Research Projects Coordination Unit [SUF-1901-17-02]
dc.description.sponsorshipSinop University Scientific Research Projects Coordination Unit, Grant/Award Number: SUF-1901-17-02
dc.identifier.doi10.1111/are.15160
dc.identifier.endpage3147
dc.identifier.issn1355-557X
dc.identifier.issn1365-2109
dc.identifier.issue7
dc.identifier.scopusqualityQ2
dc.identifier.startpage3137
dc.identifier.urihttps://doi.org/10.1111/are.15160
dc.identifier.urihttps://hdl.handle.net/11486/5394
dc.identifier.volume52
dc.identifier.wosWOS:000620066100001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofAquaculture Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250323
dc.subjectcycled feeding
dc.subjectDicentrarchus labrax
dc.subjectnutrition quality indices
dc.subjectpeanut oil
dc.titleEffect of alternate feeding with fish oil- and peanut oil-based diets on the growth and fatty acid compositions of European seabass fingerlings (Dicentrarchus labrax) in the recirculated systems
dc.typeArticle

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