Effect of Dietary Inclusion of Green Tea (Camellia sinensis) Powder on Growth Performance, Feed Utilization and Body Composition in Rainbow Trout (Oncorhynchus mykiss)

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dc.contributor.authorBilgin, Özlem
dc.contributor.authorKarabulut, Huriye Arıman
dc.contributor.authorTırıl, Serap Ustaoglu
dc.date.accessioned2025-03-23T19:17:27Z
dc.date.available2025-03-23T19:17:27Z
dc.date.issued2025
dc.departmentSinop Üniversitesi
dc.description.abstractThis study was conducted to evaluate the effect of dietary inclusion of green tea powder on growth performance, feed utilization and body composition of rainbow trout. A total of 546 fish with an average body weight of 40.4±0.01 g were divided in the seven experimental treatments. The fish were fed with diets containing 0%(control), 0.25%(diet1), 0.5%(diet2), 1%(diet3), 2%(diet4), and 3%(diet5) of dried green tea (GT) powder containin 5.3±0.04% epigallocatechin gallate-3-gallate (EGCG), 1%(diet6) green tea dust (GTD) containing 6.5±0.07% EGCG for 60 days. Fish fed with diet 2 had higher weight gain, specific growth rate, apparent net protein retention, and protein efficiency ratio than other groups, and had a lower feed conversion ratio than other groups, but not significantly changed than control group (P>0.05). Crude lipid content of liver and fillet in fish fed experimental diets were significantly lower than of fish fed the control diet (P<0.05). These results showed that dietary supplementation of GT powder in trout feed promoted the growth performance and feed utilization, and also administration of 1% level of GTD and different doses of GT powder in the experimental diets showed lipid-lowering effects for rainbow trout. © 2025, Central Fisheries Research Institute. All rights reserved.
dc.description.sponsorshipTea Enterprises
dc.description.sponsorshipÇAYKUR
dc.description.sponsorshipRecep Tayyip Erdogan Üniversitesi, RTEU, (2014.103.02.02)
dc.description.sponsorshipRecep Tayyip Erdogan Üniversitesi, RTEU
dc.identifier.doi10.4194/TRJFAS26512
dc.identifier.issn1303-2712
dc.identifier.issue7
dc.identifier.scopus2-s2.0-85218771542
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.4194/TRJFAS26512
dc.identifier.urihttps://hdl.handle.net/11486/4355
dc.identifier.volume25
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherCentral Fisheries Research Institute
dc.relation.ispartofTurkish Journal of Fisheries and Aquatic Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_Scopus_20250323
dc.subjectFeed utilization
dc.subjectGreen tea
dc.subjectGrowth performance
dc.subjectHypolipidemic
dc.subjectRainbow trout
dc.titleEffect of Dietary Inclusion of Green Tea (Camellia sinensis) Powder on Growth Performance, Feed Utilization and Body Composition in Rainbow Trout (Oncorhynchus mykiss)
dc.typeArticle

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