The Effects of Different Carotenoid Sources on Skin Pigmentation of Goldfish (Carassius auratus)

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dc.contributor.authorYeşilayer, Nihat
dc.contributor.authorAral, Orhan
dc.contributor.authorKarsli, Zafer
dc.contributor.authorÖz, Meryem
dc.contributor.authorKaraçuha, Ali
dc.contributor.authorYağci, Feraye
dc.date.accessioned2014-06-09T20:38:57Z
dc.date.available2014-06-09T20:38:57Z
dc.date.issued2011
dc.description.abstractThe aim of this study was to investigate the effect of different carotenoid sources on goldfish (Carassius auratus) skin pigmentation. The value of goldfish depends on the intensity of the skin color. In the red variety of goldfish, an orange-red hue is desirable. Juvenile goldfish were fed one of five diets for five months to determine the effects of carotenoids on skin pigmentation, growth, feed efficiency, and survival: (1) astaxanthin (carophyll pink at 75 mg/kg), (2) canthaxanthin (carophyll red at 75 mg/kg), (3) Gammarus spp. (75 mg/kg), (4) Oleoresin paprika (180 mg/kg), and (5) an unsupplemented control. Growth and feed efficiency did not significantly differ among groups. Initial and final samples of head skin were measured by colorimetric analysis for lightness (L*), redness (a*), yellowness (b*), hue (Hºab), and chroma (Cab*). The best red color (a* and Hºab) was obtained with the astaxanthin, canthaxanthin, and paprika diets.
dc.format.extent9 pages
dc.identifier.citationNihat Yeşilayer, Orhan Aral, Zafer Karsli, Meryem Öz, Ali Karaçuha, Feraye Yağci (2011). The Effects of Different Carotenoid Sources on Skin Pigmentation of Goldfish (Carassius auratus) . The Israeli Journal of Aquaculture - Bamidgeh, 63, 9 pp.
dc.identifier.issn0792-156X
dc.identifier.otherIIC:63.2011.523
dc.identifier.urihttp://hdl.handle.net/10524/36293
dc.publisherIsraeli Journal of Aquaculture - BAMIGDEH
dc.relation.ispartofseriesThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectgoldfish
dc.subjectpigmentation
dc.subjectOleoresin paprika
dc.subjectGammarus spp.
dc.subjectastaxanthin
dc.subjectcanthaxanthin
dc.subjectcolorimetric analysis
dc.subject.lcshFish culture--Israel--Periodicals.
dc.subject.lcshFish culture--Periodicals.
dc.subject.lcshAquaculture--Israel--Periodicals.
dc.subject.lcshAquaculture--Periodicals.
dc.titleThe Effects of Different Carotenoid Sources on Skin Pigmentation of Goldfish (Carassius auratus)

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