In order to improve animal welfare, we need to know how different factors affect it. But measuring the cumulative experience of non-human animals is a difficult task. Recent research has suggested that measures of biological aging could provide a promising new way to assess animal welfare. Will Bradshaw, a research fellow at Wild Animal Initiative, outlines the evidence supporting the surprising link between aging and welfare, as well as some potential limitations. He then discusses how this approach could help resolve key questions in the study of animal well-being. This talk was filmed at EA Global 2019: London.

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