TB Update April 17, 2015 12:00 am The provisional incidence rate of bovine TB in GB cattle was 3.9% in January 2015, down from 4.5% in January 2014. The number of compulsory slaughters was up by 54 head to 2,977. The annual figures also show a continuing downwards trend, with the figure for 2014 at 4.3%. The table below shows more detail. ANNUAL GB BOVINE TB STATISTICS – Source: DEFRA 2011 2012 2013 2014 Incidence Rate 5.2% 4.7% 4.5% 4.3% Slaughter Numbers 34,238 37,735 32,612 32,858