Environment Media Services Antibiotics http://www.ems.org/antibiotics/sub2_antibiotics.html

Soil Association The Use and Misuse of Antibiotics in UK Agriculture

Sierra Club Antibiotic Reports http://www.sierraclub.org/factoryfarms/factsheets/antibiotics.asp

Alliance for the Prudent Use of Antibiotics http://www.tufts.edu/med/apua/

From Medicine Makers

Animal Health Institute http://www.ahi.org/Features/Antibiotics and Animals Fast Facts.htm

National Office of Animal Health (NOAH) http://www.noah.co.uk/