Mad Cow Disease

1
Mad Cow Disease

• By Cassie Johnson
• cassiej_at_iastate.edu
• April 26, 2006

2
Overview

• History
• Symptoms
• Government Regulations
• Human Danger
• Conclusion

3
Bovine Spongiform Encephalopathy History

• BSE or Mad Cow
• England 1985
• Two possible causes
• - Feeding of animal by-products
• - Changes in rendering process in UK
• December 23, 2003 in Mantba, WA

4
Government Regulations

• Five Firewalls
• Import Beef Ban
• Surveillance by USDA
• 1997 Feed Ban
• Human Food Supply
• Prevent Potential Damage
• Two Final Rules
• Materials Banned From Human Food and Cosmetics
• Mechanically Separated Beef
• FDA Feed Regulations

5
Human Danger

• 1997 Creutzfeldt - Jakob disease (vCJD)
• 1994 first case reported
• 2002 100 cases
• Same Destruction
• Low Risk
• Cook Your Meat

6
Internal Temperature Cooking Chart
7
Conclusion

• Many unanswered questions
• Elementary Stages
• Humans NOT in danger
• BSE does not mean Mad Cow