1. Report on Priorities for Animal Welfare Research and Development,1993
2. Council Directive 98/58/EC of 20 July 1998 Concerning the Protection of Animals Kept for Farming Purposes,1998
3. Council Directive 1999/74/EC of 19 July 1999 Laying down Minimum Standards for the Protection of Laying Hens,1999
4. Council Directive 2001/88/EC of 23 October 2001 Amending Directive 91/630/EEC Laying down Minimum Standards for the Protection of Pigs,2001
5. Council Directive 2007/43/EC of 28 June 2007 Laying down Minimum Rules for the Protection of Chickens Kept for Meat Production,2007