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Nature 412, 467 (2 August 2001) | doi:10.1038/35087720

Review blames BSE outbreak on calf feed

David Adam

Researchers studying the early days of the bovine spongiform encephalopathy (BSE) epidemic may have solved the mystery of why the disease developed in Britain, and why it emerged in the 1980s.A review of the origins of BSE released on 19 July reveals that British farmers changed the diets of young calves to routinely include meat and bone meal (MBM) in the 1970s.