About the Authors

Beth A. Ventura

Current address: University of British Columbia Animal Welfare Program, Vancouver, British Columbia, Canada

Affiliation Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, United States of America

Frank Siewerdt

Affiliation Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, United States of America

Inma Estevez

iestevez@neiker.net

Affiliations Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, United States of America, IKERBASQUE, Basque Foundation for Science, Alameda Urquijo, Spain, Neiker Tecnalia, Arkaute Agrifood Campus, Vitoria-Gasteiz, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IE BV. Performed the experiments: BV IE. Analyzed the data: BV FS IE. Contributed reagents/materials/analysis tools: IE BV FS. Wrote the paper: BV IE FS.