Carotenoids, Birdsong and Oxidative Status: Administration of Dietary Lutein Is Associated with an Increase in Song Rate and Circulating Antioxidants (Albumin and Cholesterol) and a Decrease in Oxidative Damage
Figure 2
Variation of circulating carotenoids in the two treatments.
Full circles represent Caro-birds. P values refer to pairwise differences of least square means between groups within the same day (reported only when significant) and within each group between different days (different letters indicate significant difference with what observed on day 0; capital for Caro-group and small letters for C-group).