Table1.
Parameters of microclimate in animal premises
| Indicator | Premise | ||||
|---|---|---|---|---|---|
| Calving pen | Boxes | Pavilions | For rearing | For fattening | |
| Air temperature, °С | 15.30±0.38 | -2.10±0.23 | -5.30±0.34 | 12.50±0.27 | 9.30±0.17 |
| Relative humidity, % | 71.40±1.20 | 79.30±1.37 | 76.8±1.25 | 73.50±1.03 | 74.60±0.97 |
| Speed of movement, m/s | 0.22±0.02 | 0.33±0.02* | 0.38±0.04 | 0.26±0.02 | 0.29±0.03 |
| Light coefficient | 1:14 | * | * | 1:13 | 1:20 |
| Daylight ratio, % | 0.68±0.05 | * | * | 0.79±0.04 | 0.53±0.02 |
| Ammonia concentration, mg/m3 | 8.60±0.54 | no | no | 15.30±0.73 | 17.80±0.64 |
| Hydrogen sulfide concentration, mg/m3 | 4.70±0.32 | no | no | 5.30±0.18 | 5.00±0.21 |
| Carbon dioxide concentration, % | 0.15±0.01 | 0.05±0.01 | 0.07±0.01 | 0.19±0.01 | 0.24±0.02 |
| Bacterial contamination, th/m3 | 21.60±1.03 | 3.60±0.23 | 5.90±0.37 | 33.20±0.78 | 36.60±0.89 |
| Dust content, mg/m3 | 2.10±0.27 | 0.40±0.07 | 0.70±0.09 | 3.00±0.15 | 3.30±0.18 |
Note: * - No research was conducted