1. A review of the welfare issues for sows and piglets in relation to housing;Barnett;Aust. J. Agric. Res.,2001
2. Science and its application in assessing the welfare of laying hens in the egg industry;Barnett;Vet. J.,2003
3. Stress and Animal Welfare;Broom,1993
4. Limphocyte proliferative responses in neonatal pigs with high or low plasma cortisol concentration after stress induced by restrain;Brown-Borg;Am. J. Vet. Res.,1993
5. Sow welfare: ekesbo assessment and planning;de Koning;Pig J.,1993