Fig 2. Skin responses at both sites (bovine and avian) of cross reaction of bTB with paratuberculosis and or environmental mycobacterium were documented in 303 (N) cattle in the SICTT.

As per standard criteria 69 (>4mm), 46 (2-4mm) and 188 (<2mm) were interpreted as positive, inconclusive and negative (n = 188, <2 mm) animals [5, 24].