Figure 7. Effect of maternal melatonin suppression and replacement on plasma cortisol concentration of capuchin monkey newborns (4–6 days of age), measured as area under the curve.

Values are mean ±s.e.m. The number of newborns under each condition is indicated inside the bars. * Significantly different from LD and LL + Mel, P < 0.05, one-way ANOVA and Tukey-Kramer test.