| Treatment | Period | Duration | Relative Humidity (%) | Temperature (˚C) | Exp. 1 Normal Illumination (Lux) | Exp. 2 Weak Illumination (Lux) |
| CK | Day | 8 | 75 | 25 | 30,000 | 3000 |
| Night | 16 | 75 | 16 | 0 | 0 | |
| T1 | Day | 8 | 75 | 20 | 30,000 | 3000 |
| Night | 16 | 75 | 10 | 0 | 0 | |
| T2 | Day | 8 | 75 | 15 | 30,000 | 3000 |
| Night | 16 | 75 | 5 | 0 | 0 |