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Article 5

Food consumption and energy assimilation in the Cabrera vole Microtus cabrerae (Rodentia)

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S. SANTOS1, M. KLUNDER2, M.L. MATHIAS1
1 Centro de Biologia Ambiental & Departamento de Biologia Animal, Faculdade de Ciências,Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
2 Department of Tropical Nature Conservation and Vertebrate Ecology, Wageningen University,Bornsesteeg 69, 6708 PD Wageningen, The Netherlands
Corresponding author: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

ABSTRACT. – Energy intake was studied for the first time in Cabrera voles (Microtus cabrerae Thomas, 1906). Experiments were carried out between June and September. Under a composite diet of carrots, apples, corn and sunflower seeds, average food consumption was 4.88 g dry mass/day, which was equivalent to 75.95 kJ/day (1.82 kJ/g/day). This corresponded to 11.7% of vole’s body mass. Voles defecated around 0.36 g dry mass/day or 6.65 kJ/day (0.16 kJ/g/day). Digestibility values averaged 92.50% of dry matter and 91.15% of energy.

RÉSUMÉ. – L’énergie ingérée par le Campagnol de Cabrera, Microtus cabrerae (Thomas, 1906) a été étudiée pour la première fois. Pour un régime alimentaire composite de carottes, de pommes, de blé et de graines de tournesol, la moyenne de la nourriture consommée a été de 4,88 g poids sec/jour, soit l’équivalent de 75,95 kJ/jour (1,82kJ/g/jour). Ces valeurs correspondent à 11,7% du poids du corps du Campagnol. Les déjections représentent 0,36 g de masse sèche/jour ou 6,65kJ/jour (0,16 kJ/g/jour). Les valeurs de digestibilité atteignent 92,50% de matière sèche et 91,15% en énergie.

You are here: Volume 54 (2004) Issue 1 Article 5
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