About the Authors

Charlotte Gaillard

Affiliation Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Rebecca K. Meagher

Affiliation Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Marina A. G. von Keyserlingk

Affiliation Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Daniel M. Weary

danweary@mail.ubc.ca

Affiliation Animal Welfare Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CG MvK DW. Performed the experiments: CG. Analyzed the data: CG RM MvK DW. Contributed reagents/materials/analysis tools: MvK DW. Wrote the paper: RM MvK DW CG.