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Closed Access item Gastric emptying in Scyliorhinus canicula (L.): a comparison of surface- dependent and non-surface-dependent models

Authors:Macpherson, Enrique
Lleonart, Jordi
Sánchez, Pilar
Keywords:Nutrition, Consumption, Digestion rates, Food consumption models, Scyliorhinus canicula
Issue Date:1989
Publisher:Wiley-Blackwell
Citation:Journal of Fish Biology 35 : 37-48 (1989)
Abstract: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.
Publisher version (URL):http://dx.doi.org/10.1111/j.1095-8649.1989.tb03391.x
URI:http://hdl.handle.net/10261/41540
ISSN:0022-1112
Appears in Collections:(CEAB) Artículos
(ICM) Artículos

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