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University of Cambridge Metabolic Research Laboratories

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Institute of Metabolic Science, University of Cambridge.
  • Home
  • The Science
    • Obesity in Dogs
    • What causes obesity?
    • Why study genetics of obesity?
    • Gene Mapping in Dogs
    • GOdogs Results
      • Measuring Appetite
      • A mutation contributing to Labrador obesity
      • Labradors, flatcoats, POMC and obesity
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    • Genetic Testing
    • The Art of Managing Your Dog’s Weight
    • 4 Strategies for Slender Dogs
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  • Home
  • The Science
    • Obesity in Dogs
    • What causes obesity?
    • Why study genetics of obesity?
    • Gene Mapping in Dogs
    • GOdogs Results
      • Measuring Appetite
      • A mutation contributing to Labrador obesity
      • Labradors, flatcoats, POMC and obesity
  • Your Dog
    • Genetic Testing
    • The Art of Managing Your Dog’s Weight
    • 4 Strategies for Slender Dogs
  • Can You Help?
    • Can your dog help?
    • Can your practice help?
  • About GOdogs
    • People
    • Contact Us
    • Newsletters
    • Jobs and Studentships
    • Links
  • Tweets

Measuring Appetite

Photo of a dog begging for a snack

How do you measure greediness?

This has been a really important question for us.  Everyone tells us Labradors are really greedy, but how could we put a number on the kind of behaviour that owners and vets were so confident about?  We think that many of the genes underlying obesity in dogs may affect their appetite.  So it is important to be able to quantify that behaviour.

We first looked at what is done in other species.  Human appetite can be tested by seeing how much people choose to eat at a buffet meal but larger-scale projects have used questionnaires.

An Eating Behaviour Questionnaire for Dogs

We were particularly interested in questionnaires for parents which had been shown to collect useful information about their children.  So, with the late Prof Jane Wardle, GOdogs developed the DORA (Dog Obesity Risk Assessment) questionnaire.

The DORA questionnaire went through several rounds of validation and is a robust measure of how dogs behave around food.  You can read the paper which describes the validation process in full by clicking on the link.

Measuring Eating in the Behaviour Laboratory

Picture of a dog using a wooden wheel on the floor to get snacks
This wheel task was our first attempt at testing food motivation in dogs. The idea was that dogs could turn the top of the wheel to reveal food. We predicted greedier dogs would spend more time turning the wheel. But… it turned out that only about half the dogs learnt to work the wheel – rather than testing how hard a dog would work for food, we were testing whether they could work out how to use it. We have other, easier tasks that work better though!

The next step was to develop tools for measuring eating behaviour in the laboratory. We are interested in how much dogs want food but also their food choices and other factors.

GOdogs dogs are all pets so we have been working on validating simple tests which allow us to compare how much the dogs care about food.  It’s not been easy as we’ve had to find tasks which are easy for dogs to understand, then measure them carefully.  Many volunteers have participated – thank you to all of you!

We are still recruiting dogs for these experiments.  If you have a Labrador or flatcoat retriever and are interested in taking part, please get in touch via our contacts page or send us an email.

A note on Prof Wardle

Jane Wardle was an distinguished behavioural scientist who died in 2015.  Her enthusiasm for a rather left-field, doggy project developing the DORA questionnaire was much appreciated.  During our brief relationship she gave every impression of being the all-round marvellous person her obituary suggests and it is a privilege to have worked with her.

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Tweets

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ATJCagan avatarAlex Cagan@ATJCagan·
13 Apr 1514281139120267277

Incredibly excited to share our paper ‘Somatic mutation rates scale with lifespan across mammals’ now published @nature.
https://www.nature.com/articles/s41586-022-04618-z
An illustrated & updated tweetorial… [1/24]

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NatalieJessic10 avatarNatalie Wallis@NatalieJessic10·
21 Apr 1517165385283473411

What a brilliant day at the @IMS_MRL department 'away day' yesterday. Lovely being back in person and so happy to have won a best poster prize 🎉!! Thank you to the IMS organisers, @RobinsonCamb staff for the great hospitality and @GilesYeo (& co) for the entertainment 💃.

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  • Obesity in Dogs
  • What causes obesity?
  • Why study genetics of obesity?
  • Gene Mapping in Dogs
  • GOdogs Results
    • Measuring Appetite
    • A mutation contributing to Labrador obesity
    • Labradors, flatcoats, POMC and obesity

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