Figure-2.

Effect of Artemisia annua on the expression of anti-inflammatory and immune-related genes, interleukin 1β, tumor necrosis factor-α, and interleukin 10 in the spleen of broilers at 42 days of age with concentration, 3, 6, and 9% A. annua in diet. Each value is displayed as the mean and the standard error of mean (n = 3), different superscript letters (a, b, c, and d) reveal significant differences between experimental groups (p < 0.01), while the same letter means no significant difference among groups.