Digestibility of palm seeds and bruchids larvae by Neotropical rodents

Détails

ID Serval
serval:BIB_21CDD6FC68E8
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Digestibility of palm seeds and bruchids larvae by Neotropical rodents
Périodique
Animal Biology
Auteur(s)
Gálvez D.
ISSN
1570-7555
Statut éditorial
Publié
Date de publication
2011
Peer-reviewed
Oui
Volume
61
Numéro
1
Pages
21-27
Langue
anglais
Résumé
Vertebrates show different tendencies in regard to their preference for seeds or fruits infested by insects compared to non-infested ones. Behaviour may include rejection of one type, preferential consumption of one type or no differentiation among them. When comparing infested versus non-infested fruits, most studies have focused on energy content and nutritional components of the food items; but the energy input provided to the consumer is a better measure for the comparison of the value of each type of food. In this study, I calculated the energy assimilated by rodents for the seeds of the palm Attalea butyracea contained in non-infested endocarps and from bruchid beetle larvae contained in infested endocarps. Using the energy assimilation and time of handling by rodents for both types of endocarps, I quantitatively demonstrated that both infested and non-infested endocarps produce a similar energy input. This finding is consistent with the previous hypothesis that there is a trade-off between the energy content and the time required to extract the insect larvae compared with the seeds in endocarps of Attalea butyracea.
Mots-clé
Energy assimilation, larva, rodents, palm seeds
Web of science
Création de la notice
29/06/2010 11:38
Dernière modification de la notice
20/08/2019 13:58
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