TABLE 1.
Description of sampling sites and parameters affecting sampling environments in the dairy farms visiteda
| Dairy farm site | Type of milking | Animal space | Cattle feed | Ventilation | Temp (°C) | Time of sampling |
|---|---|---|---|---|---|---|
| DF1 | Manual | Confined | Forage | Natural | 22 | 6 a.m.–9 a.m. |
| DF2 | Automatic | Confined | Forage | Mechanical | 21 | 7 a.m.–10 a.m. |
| DF3 | Manual | Confined | Concentrates | Natural | 19 | 7 a.m.–10 a.m. |
| DF4 | Automatic | Confined | Concentrates and forage |
Mechanical | 20 | 6 a.m.–9 a.m. |
| DF5 | Manual | Semiconfined | Forage | Mechanical | 23 | 11 a.m.–2 p.m. |
a
More information may be found in reference 72.