| Broiler breeders age (weeks) | Trial 1 (2013) | Trial 1 (2014) | Trial 1 (2015) | |||
| Temperature (˚C) | Humidity (%) | Temperature (˚C) | Humidity (%) | Temperature (˚C) | Humidity (%) | |
| 25 | 22.1 | 55 | 23.0 | 47 | 22.2 | 51 |
| 26 | 23.3 | 49 | 23.1 | 61 | 23.6 | 46 |
| 27 | 21.6 | 40 | 23.2 | 53 | 23.5 | 49 |
| 28 | 22.7 | 35 | 22.9 | 60 | 23.0 | 43 |
| 29 | 21.9 | 33 | 23.1 | 44 | 23.2 | 47 |
| 30 | 21.7 | 49 | 22.8 | 39 | 23.1 | 43 |
| 31 | 23.1 | 60 | 21.9 | 69 | 23.0 | 63 |
| 32 | 22.7 | 48 | 22.5 | 67 | 22.7 | 50 |
| 33 | 23.1 | 61 | 21.5 | 49 | 22.8 | 53 |
| 34 | 22.6 | 58 | 22.2 | 56 | 22.4 | 40 |
| 35 | 22.8 | 60 | 24.1 | 44 | 23.2 | 55 |