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The pace of life under artificial selection : personality, energy expenditure, and longevity are correlated in domestic dogs

Careau, Vincent, Reale, Denis, Humphries, Murray M. and Thomas, Donald W. 2010, The pace of life under artificial selection : personality, energy expenditure, and longevity are correlated in domestic dogs, American naturalist, vol. 175, no. 6, pp. 753-758, doi: 10.1086/652435.

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Title The pace of life under artificial selection : personality, energy expenditure, and longevity are correlated in domestic dogs
Author(s) Careau, Vincent
Reale, Denis
Humphries, Murray M.
Thomas, Donald W.
Journal name American naturalist
Volume number 175
Issue number 6
Start page 753
End page 758
Total pages 6
Publisher University of Chicago Press
Place of publication Chicago, Ill.
Publication date 2010-06
ISSN 0003-0147
1537-5323
Keyword(s) activity
aggression
correlated change
correlational selection
docility
life‐history traits
Summary The domestic dog has undergone extensive artificial selection resulting in an extreme diversity in body size, personality, life‐history, and metabolic traits among breeds. Here we tested whether proactive personalities (high levels of activity, boldness, and aggression) are related to a fast “pace of life” (high rates of growth, mortality, and energy expenditure). Data from the literature provide preliminary evidence that artificial selection on dogs (through domestication) generated variations in personality traits that are correlated with life histories and metabolism. We found that obedient (or docile, shy) breeds live longer than disobedient (or bold) ones and that aggressive breeds have higher energy needs than unaggressive ones. These correlations could result from either human preference for particular trait combinations or, more likely, correlated responses to artificial selection on personality. Our results suggest the existence of a general pace‐of‐life syndrome arising from the coevolution of personality, metabolic, and life‐history traits.
Language eng
DOI 10.1086/652435
Field of Research 059999 Environmental Sciences not elsewhere classified
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C4.1 Letter or note
Copyright notice ©2010, University of Chicago Press
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30056105

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.