1. Eurobarometer: Attitudes of consumers towards the welfare of farmed animals. 2005, European Commission, Brussels, 138-
2. Eurobarometer: Attitudes of EU citizens towards Animal Welfare. 2007, European Commission, Brussels, 82-
3. Blokhuis HJ: Welfare Quality®: context, progress and aims. Assuring animal welfare: from societal concerns to implementation, Second Welfare Quality stakeholder conference, 3–4 May 2007. Edited by: Veissier I, Forkman B, Jones B. 2007, Berlin, Germany, 9-12.
4. Miele M, Parisi V, (eds): Atteggiamento dei consumatori e politiche di qualità della carne in Italia e in Europa negli anni novanta. 2000, Milano: Franco Angeli, 289-
5. Harper GC, Henson SJ: Consumer values and farm animal welfare – the Comparative Report. 2000, The University of Reading. United Kingdom, EU FAIR CT98-3678