Research Article

The Effect of Mycobacterium avium Complex Infections on Routine Mycobacterium bovis Diagnostic Tests

Figure 3

(a) Mean differences in skin thickness of 12 calves exposed to Map. Measurements were made at 39 weeks postinfection using PPDa, PPDb, and PPDj tuberculins. (b) Mean differences in skin thickness of 6 calves exposed to Maa. Measurements were made at 64 weeks postinfection using PPDa, PPDb, and PPDj tuberculins. (c) Mean differences in skin thickness of 12 calves exposed to Maa. Measurements were made after 7 weeks postinfection using PPDa, PPDb, and PPDj tuberculins.
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145092.fig.003b
(b)
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