Table 2. The mean uterine edema score of the mares

Group	December	January	February
Blue light (n=9)	1.44 ± 0.29	1.67 ± 0.29	2.11 ± 0.30
Stable light (n=11)	1.83 ± 0.29	1.41 ± 0.19	1.63 ± 0.24

The results are expressed as the mean ± SEM.