Growth, feed utilization and carcass composition in rainbow trout fed diets with a similar digestible energy content and different carbohydrate levels

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dc.authoridDavies, Simon J/0000-0002-4483-0503
dc.contributor.authorTekinay, AA
dc.contributor.authorDavies, SJ
dc.contributor.authorGüner, Y
dc.date.accessioned2025-01-27T20:56:03Z
dc.date.available2025-01-27T20:56:03Z
dc.date.issued2003
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThree diets including 13.2%, 22% or 30.5% carbohydrates as extruded wheat meal were fed to rainbow trout, Oncorhynchus mykiss (initial weight 34.8 g), for twelve weeks to investigate their influence on growth, protein and energy utilization and carcass composition. Daily feeding rates were 1.76, 2.05 or 2.17 g feed per 100 g body weight for the three diets, respectively, so as to reach a daily allowance of about 35.5 kJ digestible energy per 100 g body weight. No significant differences (p>0.05) in final mean weight or specific growth rate were observed between the treatments. Feed efficiency was negatively correlated to the dietary carbohydrate level. Utilized digestible protein and energy per kg growth were 365, 348, 358 g and 15.4, 15.9, 17.0 MJ, respectively, for the three diets. Apparent net protein and energy utilization of the groups fed a medium or high carbohydrate level were higher than those of the low carbohydrate group. Analysis of fish carcasses at the end of the trial revealed no significant (p>0.05) variations attributable to the carbohydrate level.
dc.identifier.endpage38
dc.identifier.issn0792-156X
dc.identifier.issue1
dc.identifier.scopus2-s2.0-0141528741
dc.identifier.scopusqualityQ4
dc.identifier.startpage31
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26291
dc.identifier.volume55
dc.identifier.wosWOS:000183894700004
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAquaculturehub Inc
dc.relation.ispartofIsraeli Journal of Aquaculture-Bamidgeh
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectSalmo-Gairdneri
dc.subjectChemical-Composition
dc.subjectOncorhynchus-Mykiss
dc.subjectMaize Starch
dc.subjectProtein
dc.subjectRequirements
dc.subjectNitrogen
dc.subjectBalance
dc.subjectFish
dc.titleGrowth, feed utilization and carcass composition in rainbow trout fed diets with a similar digestible energy content and different carbohydrate levels
dc.typeArticle

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