2011
DOI: 10.1590/s0102-09352011000600034
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Fontes de fibra na alimentação do pacu: desempenho, composição corporal e morfometria intestinal

Abstract: RESUMOO objetivo deste estudo foi avaliar os efeitos da utilização de diferentes ingredientes fibrosos nas dietas sobre o desempenho, a composição corporal e a morfometria intestinal de juvenis de pacu. Foram avaliadas cinco dietas isoproteicas (23% de proteína digestível), isoenergéticas (3250kcal de energia digestível/kg) e isofibrosas (9% de fibra bruta), sendo a principal fonte fibrosa de cada constituída por farelo de soja, casca de soja, farelo de girassol e polpa cítrica; esta última em dois níveis de i… Show more

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Cited by 5 publications
(4 citation statements)
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“…Similar results were reported for pacu (Piaractus mesopotamicus) (Fabregat et al, 2011). According to Heuzé et al (2014) the palatability of citrus pulp is variable due to the limonin present in the seeds and hulls, which are responsible for its characteristic bitter taste, resulting in decreased intake.…”
Section: Discussionsupporting
confidence: 68%
“…Similar results were reported for pacu (Piaractus mesopotamicus) (Fabregat et al, 2011). According to Heuzé et al (2014) the palatability of citrus pulp is variable due to the limonin present in the seeds and hulls, which are responsible for its characteristic bitter taste, resulting in decreased intake.…”
Section: Discussionsupporting
confidence: 68%
“…Também não foi registrado efeito negativo sobre o desempenho produtivo de juvenis de tilápia do Nilo (Meurer et al, 2003) alimentados com dietas práticas contendo até 8,5% de fibra bruta, corroborando assim os resultados do presente estudo. De fato, o efeito do nível de fibra dietética sobre o desempenho e digestibilidade de nutrientes em peixes parece estar associado com a relação entre os tipos de carboidratos na fonte fibrosa (Amirkolaie et al, 2005;Fabregat et al, 2011).…”
Section: Resultsunclassified
“…Villus height was significantly increased in piaparas fed corn (455.2 µm) than in fish fed diets with sorghum (346.9 µm) and defatted corn germ meal (334.2 µm). All the energy ingredients tested are of vegetable origin, and thus rich in carbohydrates and fiber that can induce fermentation in the fish gut, in addition to antinutritional factors as observed in pacu (Fabregat et al, 2011) and jundiá Rhamdia quelen) (Pretto et al, 2017). The small villus width in piaparas fed sorghum (92.2 µm) suggests that the presence of tannin in its composition caused a reduction in intestinal absorptive capacity and decreased the digestibility of energy.…”
Section: Discussionmentioning
confidence: 99%