Figure 3

Mean number (±SEM) of single (A), clustered (B) and percentage of clusters (C) of GnRH-immunoreactive neurons counted in the preoptic area of ewes in the four experimental groups of the first experiment. Different letters indicate significant differences (p < 0.05). On histogram B, groups 1 and 2, like groups 3 and 4, are not statistically different, but groups 1 and 2, and groups 3 and 4, are statistically different; on histogram C group 1 is statistically higher than the other groups.