Dietary beta-glucans and mannanoligosaccharides improve growth performance and intestinal morphology of juvenile pacu Piaractus mesopotamicus (Holmberg, 1887)

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dc.contributor.authorHisano, Hamilton
dc.contributor.authorSoares, Michelly Pereira
dc.contributor.authorLuiggi, Fabiana Golin
dc.contributor.authorArena, Arielle Cristina [UNESP]
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversidade Estadual de Mato Grosso do Sul (UEMS)
dc.contributor.institutionYesSinergy
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-11-29T05:57:15Z
dc.date.available2018-11-29T05:57:15Z
dc.date.issued2018-02-01
dc.description.abstractThe objective of this study was to evaluate the effect of increased levels (0.0, 0.1, 0.2, 0.4, and 0.8%) of a combination of beta-glucans and mannanoligosaccharides (MOS) in isonitrogenous (23% of digestible protein) and isoenergetic (13.38 MJ of digestible energy kg(-1)) pacu diets, corresponding to five treatments and four replicates. A 30-day feeding trial was conducted to assess the effects on growth performance, hematological parameters, and intestinal morphology. Fish (n = 160, 30.92 +/- 0.46 g) were distributed randomly in 20 aquaria (300 L) with a recirculating water system with controlled temperature (26.20 +/- 0.32 degrees C) and fed four times a day until apparent satiation. A quadratic effect (P < 0.05) was observed for weight gain (WG), feed conversion ratio (FCR), and protein efficiency ratio (PER). The hepatosomatic and viscerosomatic indexes, hematocrit, hemoglobin, mean corpuscular volume (MCV), and mean corpuscular hemoglobin concentration (MCHC) did not show differences (P > 0.05) among treatments. Pacu fed beta-glucans and MOS at 0.1 and 0.2% resulted in the greatest (P < 0.05) villus height and perimeter. The diet containing 0.2% beta-glucans and MOS promoted the best growth response, feed efficiency, and intestinal morphology, without detrimental effects on the hematological parameters for juvenile pacu.en
dc.description.affiliationEmbrapa Meio Ambiente, Rodovia SP 340,Km 127,5,CP 69, BR-13820000 Jaguariuna, SP, Brazil
dc.description.affiliationUniv Estadual Mato Grosso Sul, Aquidauana, MS, Brazil
dc.description.affiliationYesSinergy, Campinas, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Botucatu, SP, Brazil
dc.description.sponsorshipYesSinergy do Brasil Agroindustrial Ltda
dc.format.extent213-223
dc.identifierhttp://dx.doi.org/10.1007/s10499-017-0210-6
dc.identifier.citationAquaculture International. Dordrecht: Springer, v. 26, n. 1, p. 213-223, 2018.
dc.identifier.doi10.1007/s10499-017-0210-6
dc.identifier.fileWOS000422925000020.pdf
dc.identifier.issn0967-6120
dc.identifier.urihttp://hdl.handle.net/11449/165967
dc.identifier.wosWOS:000422925000020
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofAquaculture International
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectFeed additive
dc.subjectHistology
dc.subjectIntestine
dc.subjectPolysaccharides
dc.subjectPrebiotic
dc.titleDietary beta-glucans and mannanoligosaccharides improve growth performance and intestinal morphology of juvenile pacu Piaractus mesopotamicus (Holmberg, 1887)en
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.author.lattes0729220781785349[4]
unesp.author.orcid0000-0002-0445-2755[1]
unesp.author.orcid0000-0002-2373-9399[4]

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