The influence of heat increment of feeding on basal metabolic rate in Phyllotis darwini (Muridae)
Keywords: temperature, oxygen, animals, diet, heat, feeding, rodent, rodentia, metabolism, experiment, consumption, male, body, respiration, restriction, phyllotis, basal, article, eating, fasting, follow, muridae, controlled, animal, metabolic, study, Rate, nonhuman, Animalia, darwini, up, Vertebrata
One of the most important prerequisites for obtaining a reliable measure of basal metabolic rate (BMR) in endotherms is that the animal must be in a post-absorptive condition. However, because of the diversity of nutrition and digestion modes in vertebrates, it is not simple to generalize a standard procedure for BMR measurement. Thus, information in this regard must be experimentally obtained by measuring the heat increment of feeding (HIF). We used a repeated-measures design to test for the effects of HIF on BMR in Phyllotis darwini, a granivorous rodent. Our results suggest that, in this species, feeding induces an elevation in O2 consumption that can persist up to 4 h after the last meal. In addition, and irrespective of the fasting period, measures made with less than 2 h of fasting yield BMR values that are significantly higher than measurements after longer fasting periods (i.e. 3 and 4 h). © 2002 Elsevier Science Inc. All rights reserved.
|Título según SCOPUS:||The influence of heat increment of feeding on basal metabolic rate in Phyllotis darwini (Muridae)|
|Título de la Revista:||COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR INTEGRATIVE PHYSIOLOGY|
|Editorial:||Elsevier Science Inc.|
|Fecha de publicación:||2003|
|Página de inicio:||139|