Document Detail

Energetic cost of a meal in a frequent feeding lizard.
MedLine Citation:
PMID:  12829046     Owner:  NLM     Status:  MEDLINE    
Specific dynamic action (SDA) describes the rise in metabolism following feeding in animals and represents the energetic cost of digesting and assimilating a meal. The overall energetic cost of feeding may depend on whether or not an animal is post-absorptive at the time of feeding. The aim of this study was to compare the energetic cost of SDA due to feeding frequently compared with infrequently in the eastern water skink, Eulamprus quoyii. For similar quantities of food, repeated feeding incurred an energetic cost equal to 8.8% of the metabolizable energy of the meal (25,220 J), while single feeding incurred an energetic cost of 9.4% of the metabolizable energy of the meal (26,072 J). Experimental lizards maintained a rise in (VO2) that was on average 1.8 times greater than the (VO2) of the unfed controls over a 50-h interval as a result of feeding frequently. This prolonged rise in metabolism resulting from frequent feeding does not result in a higher energetic cost of SDA compared with that resulting from infrequent single feeding.
Sebastian Iglesias; Michael B Thompson; Frank Seebacher
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Comparative biochemistry and physiology. Part A, Molecular & integrative physiology     Volume:  135     ISSN:  1095-6433     ISO Abbreviation:  Comp. Biochem. Physiol., Part A Mol. Integr. Physiol.     Publication Date:  2003 Jul 
Date Detail:
Created Date:  2003-06-27     Completed Date:  2004-03-11     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9806096     Medline TA:  Comp Biochem Physiol A Mol Integr Physiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  377-82     Citation Subset:  IM    
School of Biological Sciences (A08) and Institute of Wildlife Research, University of Sydney, N.S.W. 2006 Sydney, Australia.
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MeSH Terms
Energy Metabolism / physiology*
Feeding Behavior / physiology*
Lizards / metabolism*
Oxygen Consumption / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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