Table 1 Changes of red and white blood cell counts (RBC and WBC) of juvenile red spotted grouper after thermal exposure of 2 days, 1 week and 6 weeks at different water temperature (25℃, 28℃, 31℃, and 34℃)
Parameters | Temperature | Thermal exposure period |
2 days | 1 week | 6 weeks |
RBC (×106/mm3) | 25℃ | 3.99±0.15b | 3.89±0.05bc | 3.68±0.04c |
28℃ | 3.92±0.09b | 3.75±0.16c | 3.61±0.07c |
31℃ | 4.06±0.19b | 4.16±0.09b | 4.53±0.19b |
34℃ | 5.18±0.24a | 5.14±0.04a | 5.30±0.09a |
WBC (×103/mm3) | 25℃ | 9.81±0.49c | 9.19±0.43c | 8.67±0.30b |
28℃ | 9.52±0.14c | 8.83±0.18c | 8.18±0.63b |
31℃ | 12.31±0.02b | 11.63±0.27b | 13.03±0.36a |
34℃ | 13.45±0.21a | 14.24±0.08a | 13.58±0.25a |