https://www.gov.scot/publications/application-bovine-spongiform-encephalopathy-bse-negligible-risk-status-scotland/pages/3/
Scottish Government consultation on the application to the World Organisation for Animal Health for BSE negligible risk status as a region of the UK.
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https://www.gov.scot/publications/bovine-spongiform-encephalopathy-bse-feed-controls/
There are specific rules to prevent the spread of BSE and other TSEs through the use of animal by-products in animal feed.
spongiform encephalopathybovinebsefeedcontrols