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Título : Gastric emptying in Scyliorhinus canicula (L.): a comparison of surface- dependent and non-surface-dependent models
Autor : Macpherson, Enrique, Lleonart, Jordi, Sánchez, Pilar
Palabras clave : Nutrition
Digestion rates
Food consumption models
Scyliorhinus canicula
Fecha de publicación : 1989
Editor: Wiley-Blackwell
Resumen: The usefulness of both surface-dependent and non-surface-dependent models for describing the gastric emptying process in Scyliorhinus canicula (L.) was examined. In most cases the surface-dependent models produced better fits than did the non-surface-dependent models. The exponential model (non-surface-dependent) only adequately described gastric evacuation in the case of small prey items with thin exoskeletons. On the other hand, the exponential model was clearly better than the linear model in all cases. Prey size had little effect on digestion rate. However, the number of prey items ingested was an important factor influencing digestion.
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ISSN: 0022-1112
Citación : Journal of Fish Biology 35 : 37-48 (1989)
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