1. Advances in sheep welfare;S. Morris,2017
2. Welfare of sheep: Providing for welfare in an extensive environment;CM Dwyer;Small Rumin Res,2009
3. Assessing Animal Welfare at the Farm and Group Level: The Interplay of Science and Values;D. Fraser;Anim Welf,2003
4. Farm Animal Welfare in Great Britain: Past, Present and Future;Farm Animal Welfare in Great Britain: Past, Present and Future,2009
5. Extending the “Five Domains” model for animal welfare assessment to incorporate positive welfare states;D Mellor;Anim Welf,2015