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Table 1 Impact of chlorine concentration (0.5, 1 and 2 μg/ml) and contact time (15 and 30 min) on inactivation of free and A. polyphaga-ingested Map NCTC 8578 in water.

From: Interaction between Mycobacterium avium subsp. paratuberculosis and environmental protozoa

Chlorine concentration (μg/ml) 15 min contact time 30 min contact time
  Free Map Ingested Map Free Map Ingested Map
  Log10 reduction (mean ± s.d.)
0.5 1.27 ± 0.75 0.22 ± 0.25 0.78 ± 0.65 0.16 ± 0.04
1 1.45 ± 0.98 0.51 ± 0.17 1.72 ± 1.05 0.63 ± 0.53
2 1.43 ± 1.24 0.32 ± 0.45 1.73 ± 1.18 0.94 ± 0.56