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 |