1. Highlighting ethical decisions underlying the scoring of animal welfare in the Welfare Quality (R) scheme;Veissier;Anim. Welf.,2011
2. Philosophical debate on the nature of well-being: Implications for animal welfare;Appleby;Anim. Welf.,2002
3. Welfare Monitoring Schemes: Using Research to Safeguard Welfare of Animals on the Farm
4. A scientific conception of animal welfare that reflects ethical concerns;Fraser;Anim. Welf.,1997
5. Terrestrial Animal Health Codehttp://web.oie.int/eng/normes/mcode/en_chapitre_1.7.1.htm