Table 2.
Groups | Animals | Treatments | Duration | Termination |
---|---|---|---|---|
Col | 8 | 22 °C. | 72 h | 9–10 pm under red light (<5 w) |
RTR | 8 | 22 rising to 38 °C during 30 min, last for 6 h, back to 25 °C | 72 h | 9–10 pm under red light (<5 w) |
CHT | 8 | 38 °C | 72 h | 9–10 pm under red light (<5 w) |
TRD | 8 | 22 declining to 4 °C during 30 min, last for 6 h, back to 25 °C. | 72 h | 9–10 pm under red light (<5 w) |
CLT | 8 | 4 °C | 72 h | 9–10 pm under red light (<5 w) |
Col: control, RTR: rapid temperature rising, CHT: constant high temperature, RTD: rapid temperature decline and CLT constant low temperature.