Table-2.
Bacterial load in different locations of the semen production laboratory during two different phases of the study.
| Location | Number of exposure to environment | Phase I (bacterial load as CFU/m²/h) | Phase II (bacterial load as CFU/m²/h) | Significant level | ||
|---|---|---|---|---|---|---|
| Range (minimum-maximum) | Mean±SEM | Range (minimum-maximum) | Mean±SEM | |||
| Center of processing lab | 23 | 2-15 | 6.43a±1.34 | 0-6 | 2.86b±0.59 | 0.001 |
| Pass box | 23 | 6-29 | 12.13a±2.53 | 0-12 | 3.78b±0.79 | 0.001 |
| LAF (processing lab) | 23 | 0-1 | 0.30a±0.06 | 0 | 0b | 0.005 |
| LAF (bacteriological lab) | 23 | 0 | 0 | 0 | 0 | - |
| LAF (extender preparation lab) | 23 | 0-2 | 0.39a±0.08 | 0 | 0b* | 0.005 |
| LAF (sealing filling machine) | 23 | 0-3 | 0.57a±0.11 | 0 | 0b | 0.005 |
Values with different superscript in column 4 and 6 differ highly significantly at significant level 0.001 and 0.005, SEM=Standard error of mean, CUF=Colony forming unit, LAF=Laminar air flow