Hazelnut meal in diets for seawater farmed rainbow trout (Oncorhynchus mykiss): effects on growth performance and body composition

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dc.authoridErgün, Sebahattin/0000-0003-3685-0691
dc.authoridErgün, Sebahattin/0000-0002-9077-9438
dc.authoridGuroy, Derya/0000-0002-8254-1403
dc.contributor.authorBulut, Musa
dc.contributor.authorTekinay, Ahmet Adem
dc.contributor.authorGuroy, Derya
dc.contributor.authorErgün, Sebahattin
dc.contributor.authorBilen, Soner
dc.date.accessioned2025-01-27T20:14:57Z
dc.date.available2025-01-27T20:14:57Z
dc.date.issued2009
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractA 77-day feeding trial was designed in order to assess the effect of partial or total replacement of soybean meal by hazelnut meal (HNM) on feed intake, growth performance, nutrient utilization and body composition of rainbow trout (initial mean body weight: 80.0 +/- 3.5 g) in seawater conditions. A control and three experimental diets were formulated in which soybean meal level (25.5%) in the control diet was replaced by hazelnut meal at 39.2 (HN 39), 78.4 (FIN 78) and 100% (RN 100) to provide 44% crude protein and 20% crude lipid diets. Diets were fed to 125 rainbow trout to apparent satiation by hand twice daily at 09.00 and 16.00 hours under natural photoperiod conditions. At the end of the feeding trial, fish of all groups almost tripled their body weight and no significant difference (P>0.05) was revealed in final weight or specific growth rate between treatments. However, feed conversion ratio (FCR) of the HN100 group was significantly higher than other treatments (P<0.05). There was a slightly decreasing trend in protein efficiency ratio (PER) and net protein utilization (NPU) with increasing level of dietary hazelnut meal, but it was only significant in groups of fish fed HN100. All groups of fish displayed similar carcass and muscle compositions. According to the results of the present study, it can be stated that hazelnut meal can replace soybean meal at up to 200 g kg(-1) in grow-out diets of rainbow trout without any detrimental effects on growth performance.
dc.description.sponsorshipCanakkale Onsekiz Mart University, Turkey
dc.description.sponsorshipThis study was funded by the Council of Scientific Research Projects of Canakkale Onsekiz Mart University, Turkey.
dc.identifier.doi10.4081/ijas.2009.625
dc.identifier.endpage632
dc.identifier.issn1594-4077
dc.identifier.issue4
dc.identifier.scopus2-s2.0-76449111093
dc.identifier.scopusqualityQ1
dc.identifier.startpage625
dc.identifier.urihttps://doi.org/10.4081/ijas.2009.625
dc.identifier.urihttps://hdl.handle.net/20.500.12428/21244
dc.identifier.volume8
dc.identifier.wosWOS:000279535800012
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherPagepress Publ
dc.relation.ispartofItalian Journal of Animal Science
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectSalmonids
dc.subjectHazelnut meal
dc.subjectSoybean meal
dc.subjectFeed utilization
dc.titleHazelnut meal in diets for seawater farmed rainbow trout (Oncorhynchus mykiss): effects on growth performance and body composition
dc.title.alternativeFarina di nocciola nell'alimentazione della trota iridea (Oncorhynchus mykiss) allevata in acqua marina: Effetti sulle performance di accrescimento e sulla composizione corporea
dc.typeArticle

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