Effects of Ulva rigida and Cystoseira barbata meals as a feed additive on growth performance, feed utilization, and body composition of Nile tilapia, Oreochromis niloticus

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dc.authoridGuroy, Derya/0000-0002-8254-1403
dc.contributor.authorGuroy, Betul Kut
dc.contributor.authorCirik, Sukran
dc.contributor.authorGuroy, Derya
dc.contributor.authorSanver, Feyza
dc.contributor.authorTekinay, Ahmet Adem
dc.date.accessioned2025-01-27T20:43:34Z
dc.date.available2025-01-27T20:43:34Z
dc.date.issued2007
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn a 12-week feeding trial, the effect of 2 algae meals (Ulva rigida or Cystoseira barbata) on feed intake, growth, and nutrient utilization of juvenile Nile tilapia, Oreochromis niloticus, was investigated. This was the first attempt to utilize Cystoseira barbata as a feed supplement for Nile tilapia. The fish were fed to apparent satiation with formulated diets supplemented with various levels of Ulva meal (5%, 10%, or 15%) or Cystoseira meal (5%, 10%, or 15%). A diet without algae meal served as a control diet. The highest values for weight gain were for fish fed the 5% Cystoseira diet, control diet, and 5% Ulva diet (156%, 151%, and 150%, respectively), but the values were not significantly different (P > 0.05) compared to other treatments, except for the fish fed on the 15% Ulva diet (P < 0.05), which exhibited the lowest weight gain. Fish fed the diet containing 15% Ulva meal showed the poorest feed conversion ratio (FCR). Protein and energy utilization tended to decrease in the groups fed the algae meals at the highest supplementation level of 15%. Carcass lipid levels decreased with increasing levels of Ulva meal, while an increase in carcass lipid level with increasing levels of Cystoseira meal was observed (P < 0.05). The results suggested that Ulva rigida or Cystoseira barbata meals could be used in small percentages in tilapia diets.
dc.identifier.endpage97
dc.identifier.issn1300-0128
dc.identifier.issue2
dc.identifier.scopus2-s2.0-34248189268
dc.identifier.scopusqualityQ3
dc.identifier.startpage91
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24269
dc.identifier.volume31
dc.identifier.wosWOS:000247802900002
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTubitak Scientific & Technological Research Council Turkey
dc.relation.ispartofTurkish Journal of Veterinary & Animal Sciences
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectOreochromis niloticus
dc.subjectalgae meal
dc.subjectUlva rigida
dc.subjectCystoseira barbata
dc.subjectfeed supplement
dc.subjectgrowth performance
dc.subjectfeed utilization
dc.subjectbody composition
dc.titleEffects of Ulva rigida and Cystoseira barbata meals as a feed additive on growth performance, feed utilization, and body composition of Nile tilapia, Oreochromis niloticus
dc.typeArticle

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