1. A review of the welfare issues for sows and piglets in relation to housing;Barnett;Aust. J. Agric. Res.,2001
2. The Welfare Quality® project and beyond: Safeguarding farm animal well-being;Blokhuis;Acta Agric. Scand. Sect. — Anim. Sci.,2010
3. Introduction;Blokhuis,2013
4. The Welfare Quality® vision;Blokhuis,2013