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dc.contributor.authorZhou, L.L.
dc.contributor.authorDan, X.M.
dc.contributor.authorLi, Y.W.
dc.contributor.authorLi, X.X.
dc.contributor.authorChen, X.L.
dc.contributor.authorLi, Y.
dc.contributor.authorGan, L.
dc.coverage.spatialChinaen_US
dc.date.accessioned2018-03-02T12:55:35Z
dc.date.available2018-03-02T12:55:35Z
dc.date.issued2015
dc.identifier.issn1562-2916
dc.identifier.urihttp://hdl.handle.net/1834/11915
dc.description.abstractReducing dietary protein content in fish feeds will reduce cost of production if growth performance can be maintained. In this study, we assessed the effects of reduced dietary protein content from 33.5% to 27.4% with ideal amino acids profile on the growth, immune parameters, intestinal microvilli length and total ammonia nitrogen discharge of tilapia. After 8 weeks of feeding, growth performance and feed efficiency were not affected by reducing dietary protein content from 33.5% to 30.3%, while fish fed 27.4% CP had the lowest weight gain. Total ammonia nitrogen discharged into the water 9 hours after the feeding was decreased by about 35%. Serum lysozyme activity, blood respiratory burst activity and serum ACH50 were not significantly affected by dietary protein content. Fold height, enterocyte height and microvillus height of proximal and middle intestine were significantly increased with reducing of dietary protein. Results indicated that 3.2% dietary protein content can be reduced, which had no effects on growth performance and immunity of Nile tilapia in practical diet.en_US
dc.language.isoenen_US
dc.subject.otherAquacultureen_US
dc.subject.otherOreochromis niloticusen_US
dc.subject.otherNile tilapiaen_US
dc.titleEffect of reducing 3.2% dietary protein level on the growth performance and immunity of Nile tilapia (Oreochromis niloticus) with supplementation of multi amino acidsen_US
dc.typeJournal Contributionen_US
dc.bibliographicCitation.issue4en_US
dc.bibliographicCitation.titleIranian Journal of Fisheries Scienceen_US
dc.bibliographicCitation.volume14en_US
dc.description.statusPublisheden_US
dc.format.pagerangepp.997-1009en_US
dc.subject.asfaTilapiaen_US
dc.subject.asfaIdeal amino acids profileen_US
dc.subject.asfaDietary proteinen_US
dc.subject.asfaGrowthen_US
dc.subject.asfaImmunityen_US
dc.subject.asfaPerformanceen_US
dc.type.refereedRefereeden_US
refterms.dateFOA2021-01-30T18:48:17Z


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