| Authors: |
Johnson AK; Department of Animal Science, Iowa State University, Ames, IA 50001, USA.; Iowa Pork Industry Center, Iowa State University, Ames, IA 50001, USA., Rault JL; Institute of Animal Welfare Science, University of Veterinary Medicine, Vienna A-1210, Austria., Marchant JN; USDA-ARS Livestock Behavior Research Unit, West Lafayette, IN 47907, USA., Baxter EM; Animal Behaviour and Welfare, Animal and Veterinary Sciences Research Group, SRUC, West Mains Road, Edinburgh EH9 3JG, UK., O'Driscoll K; Pig Development Department, Animal & Grassland Research and Innovation Centre, Teagasc, Moorepark, Fermoy Co. Cork P61 C997, Ireland. |
