Table 2 Means of daily temperature (T), maximum and minimum temperature and daily temperature variation during the seven day incubation period, recorded during the three study rounds
|  | Mean daily T (°C) | Max T (°C) | Min T (°C) | T range (°C) |
|---|---|---|---|---|
Round 1 | 25.2 | 27.8 | 23.4 | 4.3 |
Round 2 | 26.4 | 28.9 | 23.2 | 5.7 |
Round 3 | 25.4 | 28.0 | 23.4 | 4.6 |