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Solving the conundrum of intra‐specific variation in metabolic rate: A multidisciplinary conceptual and methodological toolkit: New technical developments are opening the door to an understanding of why metabolic rate varies among individual animals of a species

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  • Neil B. Metcalfe
  • Jakob Bellman
  • Pierre Bize
  • Pierre U. Blier
  • Amélie Crespel
  • Neal J. Dawson
  • Lewis G. Halsey
  • Wendy R. Hood
  • Mark Hopkins
  • Shaun S. Killen
  • Darryl McLennan
  • Lauren E. Nadler
  • Julie J.H. Nati
  • Matthew J. Noakes
  • Tommy Norin
  • Susan E. Ozanne
  • Malcolm Peaker
  • Amanda K. Pettersen
  • Anna Przybylska‐Piech
  • Alann Rathery
  • Charlotte Récapet
  • Enrique Rodríguez
  • Karine Salin
  • Antoine Stier
  • Elisa Thoral
  • Klaas R. Westerterp
  • Margriet S. Westerterp‐Plantenga
  • Michał S. Wojciechowski
  • Pat Monaghan
Article number2300026
<mark>Journal publication date</mark>30/06/2023
Issue number6
Publication StatusPublished
Early online date12/04/23
<mark>Original language</mark>English


Researchers from diverse disciplines, including organismal and cellular physiology, sports science, human nutrition, evolution and ecology, have sought to understand the causes and consequences of the surprising variation in metabolic rate found among and within individual animals of the same species. Research in this area has been hampered by differences in approach, terminology and methodology, and the context in which measurements are made. Recent advances provide important opportunities to identify and address the key questions in the field. By bringing together researchers from different areas of biology and biomedicine, we describe and evaluate these developments and the insights they could yield, highlighting the need for more standardisation across disciplines. We conclude with a list of important questions that can now be addressed by developing a common conceptual and methodological toolkit for studies on metabolic variation in animals.