Fig. 2

STR MIC results. A–C STR-resistant M. bovis isolate in triplicates. D–F: M. bovis ATCC control in triplicates. 1–10: 2.5, 5.0, 10.0, 20.0, 50.0, 100.0, 200.0, 300.0, 400.0 and 500.0 μg/ml for STR; (+) positive control containing no drug; (−) negative control containing uninoculated media