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2. Department for Environment Food and Rural Affairs (2014) The Strategy for achieving Officially Bovine Tuberculosis Free status for England. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/300447/pb14088-bovine-tb-strategy-140328.pdf
3. Bovine tuberculosis in Cattle and Badgers;JR Krebs,1997
4. Positive and negative effects of widespread badger culling on tuberculosis in cattle;CA Donnelly;Nature,2006
5. Bovine TB: The Scientific Evidence;J Bourne,2007