Is Defra serious about vaccinating cattle against bTB? If they were, they would need a DIVA test to distinguish between infected & vaccinated animals.
Over £20 million has been invested in research to find an accurate DIVA test over the last 20 years. So is the latest Defra hype about their new specific peptide antigen in a skin-test (called DST) going be the solution to the elimination of bTb, or not? Read the new article by Tom Langton in The Ecologist to find out more.