Table 1 Parameters of positive isolators and barrier environment
From: Establishment of a special pathogen free Chinese Wuzhishan Minipigs Colony
Items | Units | Parameters of detection | |
|---|---|---|---|
Positive isolators | Barrier environment | ||
Temperatures | °C | 23.5-23.8 | 19.4-20.1 |
Absolute humidity | % | 64.2-66.8 | 67.0-68.8 |
Air exchange | times/h | 32-41 | 10 |
Air velocity | m/s | 0.14-0.18 | 0.14-0.15 |
Air pressure | Pa | 100-149 | 10-20 |
Air cleanliness (≥0.5 μm) | pc/m3 | 0-1295 | - |
Number of dropped bacterial (Static state) | per plate | None | 0-3 |
Intensity of illumination | lx | 179-250 | 214-232 |