About the Authors

Heather W. Neave

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

Rolnei R. Daros

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

João H. C. Costa

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: HN DW MvK. Performed the experiments: HN RD JC. Analyzed the data: DW HN JC. Contributed reagents/materials/analysis tools: DW MvK. Wrote the paper: HN DM MvK RD JC.