Color intensity and growth performance of common clownfish (Amphiprion ocellaris) enhanced by dietary Spirulina (Arthrospira platensis)

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dc.authoridGuroy, Betul/0000-0002-4298-6256
dc.authoridGuroy, Derya/0000-0002-8254-1403
dc.contributor.authorGuroy, Derya
dc.contributor.authorKaradal, Onur
dc.contributor.authorMantoglu, Serhan
dc.contributor.authorKusku, Halit
dc.contributor.authorGuroy, Betul
dc.date.accessioned2025-01-27T20:29:38Z
dc.date.available2025-01-27T20:29:38Z
dc.date.issued2022
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractIn this study, the effect of dietary Spirulina (Arthrospira platensis) on color intensity, growth performance, total ammonia-nitrogen excretion (TAN), and profitability of common clownfish (Amphiprion ocellaris) was investigated. Three isoproteic (46%) and isolipidic (13%) diets were formulated as one control (C) and two different levels (15 and 30%) of Spirulina (SP15 and SP30) substituted for fish meal and cornmeal. Ten clownfish (initial body weight of 0.55 +/- 0.04 g) per aquarium were distributed to nine glass aquariums (60 L) with three replicates. Fish were hand-fed a day to the satiation thrice. Clownfish were weighed in bulk, and the photographs were taken biweekly during the 12-week experiment. The determined regions of the images were standardized with a raster graphics editor and recorded the color parameters by considering both CMYK (cyan magenta yellow key) and RGB (red green blue) models. After the feeding trial, fish were starved for 3 days, and the total ammonia-nitrogen (TAN) was analyzed with the ammonia salicylate method on the next day for 12 h. At the end of the trial, the final mean weights (FMW) and specific growth rates (SGR) of SP15 (FMW: 1.95 +/- 0.18 g, SGR: 1.75 +/- 0.04%/day) and SP30 (FMW: 2.05 +/- 0.14 g, SGR: 1.81 +/- 0.05%/day) were significantly higher than the C (FMW: 1.68 +/- 0.12 g, SGR: 1.58 +/- 0.06%/day) group (P < 0.05). Both color models have proved the enhancement of the skin coloration (significant improvements were recorded in the colors, including red, green, magenta, and key, P < 0.05). Also, it was determined that the TAN was decreased with the increase of the Spirulina level (29.8, 22.9, and 17.6 mg-N/100 g fish/12 h for C, SP15, and SP30, respectively) in the diet (P < 0.05). However, a high level of Spirulina in the diet negatively affected profitability. Consequently, common clownfish's growth, color, and TAN improved with the dietary Spirulina. Considering that Spirulina is an expensive raw material, adding it into the diet at medium levels (15%) is recommended.
dc.description.sponsorshipScientific Research Projects Coordination Unit of Yalova University [2016/AP/130]
dc.description.sponsorshipThis research was supported by the Scientific Research Projects Coordination Unit of Yalova University with the project number 2016/AP/130. Some parts of this study have been presented in Aquaculture Europe 2017, Dubrovnik, Croatia, as an oral presentation on October 17-20, 2017.
dc.identifier.doi10.1007/s10499-022-00878-8
dc.identifier.endpage1868
dc.identifier.issn0967-6120
dc.identifier.issn1573-143X
dc.identifier.issue4
dc.identifier.scopus2-s2.0-85128271830
dc.identifier.scopusqualityQ1
dc.identifier.startpage1855
dc.identifier.urihttps://doi.org/10.1007/s10499-022-00878-8
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22999
dc.identifier.volume30
dc.identifier.wosWOS:000784044900002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofAquaculture International
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectMarine aquarium
dc.subjectOrnamental fish
dc.subjectMicroalgae
dc.subjectFish feeding
dc.subjectPigmentation
dc.titleColor intensity and growth performance of common clownfish (Amphiprion ocellaris) enhanced by dietary Spirulina (Arthrospira platensis)
dc.typeArticle

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