1990 USDA begins educational outreach of veterinarians, cattle producers, laboratory diagnosticians, etc. USDA initiates active surveillance program to examine brains of U.S. cattle. 1991 USDA conducts risk assessment. Results find that conditions in the US and UK are different in regards to amount of sheep rendered.
Risk analysis is updated.
Risk analysis is updated. 1997 USDA prohibits the importation of live ruminants and most ruminant products from all of Europe. USDA supports FDA regulations to prohibit the feeding of most mammalian proteins to ruminants. January - USDA publishes Advanced Notice of Proposed Rulemaking to strengthen scrapie control. April - USDA enters into cooperative agreement with Harvard University to analyze and evaluate the Department s prevention measures.