1. 1. Anonymous 2000. Report on Rendering Products Safety Assurance Project Situation Study. Food and Oil Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo (in Japanese).
2. 2. Anonymous 2002. Estimate on the annual number of fallen stocks and their destination in Japan. Animal Health Division, Ministry of Agriculture, Forestry and Fisheries, Tokyo.
3. 3. Anonymous 2003. Bovine spongiform encephalopathy in Great Britain-A Progress Report June 2002. Department for Environment, Food and Rural Affairs, London.
4. 4. Cohen, J.T., Duggar, K., Gray, G. M., Kreindel, S., Abdelrahman, H., Habtemariam, T., Oryang, D. and Tameru, B. 2001. Evaluation of the potential for bovine spongiform encephalopathy in the United States. United States Department of Agriculture (USDA), Animal and Plant Health Inspection Service (APHIS), Washington, D.C. Available at: www.aphis.usda.gov/lpa/issues/bse/risk_assessment/mainreporttext.pdf (Accessed 21 December 2007).
5. 5. Comer, P.J. and Huntley, P.J. 2003. TSE risk assessments-a decision support tool. Statist. Methods Med. Res. 12: 279-293.