1. Feeding millions;Anon;Veterinary Record,2009
2. Cabinet Office 2008 Food Matters Towards a Strategy for the 21st Century www.cabinetoffice.gov.uk/media/cabinetoffice/strategy/assets/food/food_matters_es.pdf
3. FAWC 2009a Farm animal welfare in Great Britain: past, present and future www.fawc.org.uk/pdf/ppf-report091012.pdf
4. FAWC 2009b Opinion on the Welfare of the Dairy Cow www.fawc.org.uk/pdf/dcwelfar-091022.pdf
5. EFSA 2009a Scientific opinion on the overall effects of farming systems on dairy cow welfare and disease www.efsa.europa.eu/en/scdocs/scdoc/1143.htm