Table 2.
D-values with 99% CI and times needed for a 12-log10 reduction in H7N1 HPAIV, ϕ6 phage, and MS2 phage in compost material consisting of manure and straw (mixture 1) treated at various temperaturesa
| Temp (°C) | Virus or phage | D-value (99% CI) | Time to 12-log10 reduction |
|---|---|---|---|
| 35 | AIV | 0.36 h (0.27–0.53) | 6.4 h |
| ϕ6 | 0.23 h (0.16–0.45) | 5.4 h | |
| MS2 | NIa | ||
| 45 | AIV | 4.2 min (3.0–8.4) | 1.7 h |
| ϕ6 | 9 min (6.6–15.0) | 3.0 h | |
| MS2 | 3.3 days (2.8–4.0) | 48 days | |
| 55 | AIV | 2.4 minb | 29 min |
| ϕ6 | 0.6 minb | 7.2 min | |
| MS2 | 1.0 days (0.86–1.2) | 14.4 days |
a
NI, not included due to the estimated D-value exceeding the study period.
b
99% CI not calculated due to insufficient data.