1. Preference testing of substrates by growing pigs;Beattie;Anim. Welf.,1998
2. Sensory devices for nursery and grow-finisher pigs;Canning,2013
3. Is it possible to rear intact-tailed pigs on a fully-slatted floor with multiple point-source enrichment and does enrichment variety matter?;Chou,2018
4. Council Directive 2008/120/EC of 18 December 2008 laying down minimum standards for the protection of pigs. 2009. O.J. L47/5.
5. Why is tail docking of pigs so common in the EU? Identifying and removing the barriers to change;D'Eath,2015