2001
DOI: 10.1590/s1516-35982001000700003
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Anatomia Funcional e Morfometria do Intestino no Teleostei (Pisces) de Água Doce Surubim (Pseudoplatystoma coruscans- Agassiz, 1829)

Abstract: RESUMO -Os objetivos do presente trabalho foram estudar a anatomia funcional e a morfometria comparativas nos intestinos médio e no reto, do peixe Teleostei, surubim, Pseudoplatystoma coruscans (Agassiz, 1829) (Siluriformes, Siluroidei, Pimelodidae), de hábito alimentar carnívoro, em duas classes de tamanho, visando fornecer referência à nutrição para o ajuste de diferentes sistemas de alimentação artificial para essa espécie nativa. Por meio destes estudos concluiu-se que o intestino do surubim, sob o ponto d… Show more

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Cited by 25 publications
(16 citation statements)
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References 9 publications
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“…The digestion of plant material is typically facilitated by fermentative action in particular regions of the intestine (Hildebrand and Goslow, 2006); the dilatation of the cecum could be the place for this action in the species we studied. Furthermore, the presence of transverse folds slows the movement of the food bolus, presumably increases the efficiency of nutrients absorption, and prepares the fecal bolus (Seixas-Filho et al, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…The digestion of plant material is typically facilitated by fermentative action in particular regions of the intestine (Hildebrand and Goslow, 2006); the dilatation of the cecum could be the place for this action in the species we studied. Furthermore, the presence of transverse folds slows the movement of the food bolus, presumably increases the efficiency of nutrients absorption, and prepares the fecal bolus (Seixas-Filho et al, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…Longitudinal folds are related to the distensibility of the organ wall (Seixas‐Filho et al . ) and, in this case, make the oesophagus fit to carry the food to the stomach. This feature also enables the fish to swallow non‐chewed and non‐divided food (Owen ), such as bivalve snails.…”
Section: Discussionmentioning
confidence: 99%
“…The intestinal coefficient of a fish indicates how the intestinal length relates to the nutritional value of the food items that it consumes (Seixas-Filho et al, 2000). Fish that feeds on items resistant to digestion, such as plant matter or algae, must have longer intestines.…”
Section: Discussionmentioning
confidence: 99%