Figure 1From: Risk factors associated with negative in-vivodiagnostic results in bovine tuberculosis-infected cattle in Spain Predicted probability of having a bTB positive result to bacteriology depending on the age, number of herd tests performed since disclosure of the outbreak in the herd, and productive type in cattle negative to the single intradermal tuberculin (SIT) test and the interferon-gamma (IFN-γ ) assay from infected herds in Castilla y Leon, Spain. Back to article page