Updated 07/1/05

BSE and Protecting the Livestock Feed Supply

Since 1997, the United States and Canada have banned the use of most mammalian protein in ruminant feed.

• Prohibited ruminant feed ingredients defined (PDF). An alphabetical list of names and definitions of feed ingredients that must not be fed to ruminants. 

The U.S. Food and Drug Administration (FDA)

"Animal proteins prohibited in ruminant feed" (Title 21 Code of Federal Regulations Part 589.2000).  FDA's BSE rule for feed manufacturers, distributors, renderers, protein blenders and ruminant feeders.

• Questions and answers about the BSE feed rule (PDF) 
• Guidance for renderers (PDF)  
• Guidance for feed mills and feed distributors (PDF) English, Spanish
• Guidance for ruminant feeders with on-farm mixing (PDF) English, Spanish  
• Guidance for ruminant feeders without on-farm mixing (PDF) English, Spanish 
• Update’s on FDA Feed Enforcement Activities to Limit the Spread of BSE
• Search by name for firms inspected or display a list of all firms inspected 

The U.S. Department of Agriculture (USDA)

USDA Animal Plant Health Inspection Service (APHIS)
USDA/Harvard – Tuskegee BSE Risk Assessments
USDA Food Safety Inspection Service (FSIS)

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