2014
DOI: 10.1590/0001-3765201420130088
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Growth and intestinal morphology of juvenile pacu Piaractus mesopotamicus (Holmberg 1887) fed dietary prebiotics (mannanoligosaccharides - MOS)

Abstract: Intensification of aquaculture production systems exposes fish to numerous stressors, which may negatively affect their growth and limit profitability of aquaculture systems. This study determined effects of increasing levels of dietary mannanoligosaccharides on growth and intestine morphology of pacu. Fish (44.04 g) were randomly distributed into 32 tanks (500 L; 10 fishes per tank) and fed during 63 days with a commercial diet supplemented with 0.0; 0.2; 0.4; 0.6; 0.8; 1.0; 1.5 and 2.0% dietary mannanoligosa… Show more

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Cited by 12 publications
(16 citation statements)
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“…These results agree with those that evaluated primarily β-glucans and MOS (in association) from yeast cell walls at similar dietary levels for Nile tilapia fed 0.3% yeast cell wall (Hisano et al 2007) and fed 0.3% βglucans and MOS (Selim and Reda 2015). On the other hand, supplementation with β-glucans or MOS individually did not have a positive effect on the growth performance parameters for tambaqui Colossoma macropomum fed increased levels of β-glucans (Chagas et al 2013), Nile tilapia fed 0.1-0.2% β-glucans (Whittington et al 2005), tilapia and pacu fed increased levels of MOS (Sado et al 2008(Sado et al , 2014a, and gilthead sea bream fed 0.2-0.4% MOS (Dimitroglou et al 2010). The contradictory results among the different studies using βglucans or MOS either isolated or in combination could be related to the different fish species, developmental stage (Pryor et al 2003), feed period, dietary levels, different commercial products, and experimental conditions.…”
Section: Discussionmentioning
confidence: 89%
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“…These results agree with those that evaluated primarily β-glucans and MOS (in association) from yeast cell walls at similar dietary levels for Nile tilapia fed 0.3% yeast cell wall (Hisano et al 2007) and fed 0.3% βglucans and MOS (Selim and Reda 2015). On the other hand, supplementation with β-glucans or MOS individually did not have a positive effect on the growth performance parameters for tambaqui Colossoma macropomum fed increased levels of β-glucans (Chagas et al 2013), Nile tilapia fed 0.1-0.2% β-glucans (Whittington et al 2005), tilapia and pacu fed increased levels of MOS (Sado et al 2008(Sado et al , 2014a, and gilthead sea bream fed 0.2-0.4% MOS (Dimitroglou et al 2010). The contradictory results among the different studies using βglucans or MOS either isolated or in combination could be related to the different fish species, developmental stage (Pryor et al 2003), feed period, dietary levels, different commercial products, and experimental conditions.…”
Section: Discussionmentioning
confidence: 89%
“…Similar results were observed in channel catfish Ictalurus punctatus fed diets 0.2% (β-1.3/1.6-glucans and MOS) on improvement in the villus height (Zhu et al 2012), Nile tilapia fed 0.1% of yeast cell wall (primarily β-glucans and MOS) resulting in enhancement of villus perimeter (Hisano et al 2006), and fed 0.3% of β-glucans and MOS with improvement in intestinal villus height and microvillus density (Selim and Reda 2015). On the other hand, no differences in intestinal morphology were observed for pacu fed graded levels of MOS (Sado et al 2014a) and Gulf of Mexico sturgeon Acipenser oxyrinchus desotoi fed 0.3% MOS (Pryor et al 2003).…”
Section: Discussionmentioning
confidence: 99%
“…In our study, the 30-day supplementation of Glucan-MOS ® (0.1%) improved the growth of fish and their feed efficiency (FCR and PER). Most previous studies that evaluated growth performance in fish used one yeast subcomponent to supplement the diets [30][31][32][33][34] or both alternately [35,36]. Few studies have tested the combined effect of both β glucan and mannan-oligosaccharide.…”
Section: Discussionmentioning
confidence: 99%
“…However, the MOS, derived from the cell wall of the yeast Saccharomyces cerevisiae has been gaining research interest (Hajati & Rezaei, ). MOS exerts its function slightly differently than the fructoligosaccharides, since the main way of action is to bind to the fimbriae of the bacteria, preventing them from binding to other substrates or microorganism (Patterson & Burkholder, ; Sado, Bicudo, & Cyrino, ). At the same time, they stimulate the immune system through the binding of its compounds to macrophage receptor sites.…”
Section: Introductionmentioning
confidence: 99%