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dc.contributor.authorCatacutan, Mae R.
dc.contributor.authorPagador, Gregoria E.
dc.contributor.authorDoyola-Solis, Ellen
dc.contributor.authorTeshima, Shinichi
dc.contributor.authorIshikawa, Manabu
dc.date.accessioned2014-05-30T08:05:05Z
dc.date.available2014-05-30T08:05:05Z
dc.date.issued2011
dc.identifier.citationCatacutan, M. R., Pagador, G. E., Doyola-Solis, E., Teshima, S., & Ishikawa, M. (2011). Growth and feed efficiency in mangrove red snapper, (Lutjanus argentimaculatus Forsskal 1775) fed practical diets supplemented with L-ascorbyl-2-monophosphate-Mg. The Israeli Journal of Aquaculture-Bamidgeh, 63(IIC:63.2011.606), 7 pp.en
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10862/2113
dc.description.abstractGrowth and feed efficiency were determined in red snapper, Lutjanus argentimaculatus (Forsskal 1775), fed diets containing L-ascorbyl-2-monophosphate-Mg (AMP). Fish (13.39±0.08 g) were fed a practical diet without vitamin C supplement for four weeks then stocked in twelve 650-l tanks at 30 fish/tank and fed one of four practical diets containing AMP at 0, 60, 180, or 540 mg/kg dry diet for 17 weeks. Survival rates in all treatments were similar (88.9-98.9%). Fish fed the 0 or 540 ppm diets had inferior final average weights, protein efficiency ratios, and feed conversion ratios than fish fed the 60 or 80 ppm diets (p<0.05). Growth of fish fed the 0 or 540 ppm diets slowed down on day 60 and fish fed the AMP-free diet exhibited clinical signs of vitamin C deficiency with a soft body and a significantly high (p<0.05) hepatosomatic index. Ascorbic acid in brain and liver tissues rose with the level of dietary AMP. Fish fed the 540 ppm diet had significantly lower hematocrit (p<0.05) than fish fed the 60 or 180 ppm diets. Histological analysis of the liver and kidney of fish fed the 180 and 540 ppm diets showed changes indicative of possible toxic effects. Based on growth, feed efficiency, tissue histology, and hematocrit level, AMP at 540 ppm is toxic to snapper. Thus, supplementation of 60 ppm AMP or its equivalent 26 ppm ascorbic acid in practical diets for red snapper promotes optimum growth and feed efficiency and prevents vitamin C deficiency symptoms.en
dc.description.sponsorshipThe authors would like to thank Dr. Veronica Alava and Dr. Relicardo Coloso for valuable comments and Mr. Hernando Alcalde for his commendable technical assistance.en
dc.language.isoenen
dc.publisherSociety of Israeli Aquaculture and Marine Biotechnology (SIAMB)en
dc.relation.urihttp://cmsadmin.atp.co.il/Content_siamb/editor/63.606.Catacutan,%207%20pages.pdf
dc.subjectsnappersen
dc.subjectLutjanus argentimaculatusen
dc.subjectPhilippinesen
dc.titleGrowth and feed efficiency in mangrove red snapper, (Lutjanus argentimaculatus Forsskal 1775) fed practical diets supplemented with L-ascorbyl-2-monophosphate-Mgen
dc.citation.volume63
dc.citation.issueIIC:63.2011.606
dc.citation.spage7 pp
dc.citation.journalTitleThe Israeli Journal of Aquaculture-Bamidgehen
dc.subject.asfagrowthen
dc.subject.asfakidneysen
dc.subject.asfaliveren
dc.subject.asfadieten
dc.subject.asfafeedsen
dc.subject.asfavitamin Cen
dc.subject.asfaAMPen


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