Fig. 5

Effects of in ovo feeding of vitamin C on the GLO expression in liver (A), kidney (B) and yolk sac (C) of broilers. Values are means ± SEM. a–b Values with different superscript letters are different (P < 0.05, n = 8). GLO, L-gulonolactone oxidase; CON, non-injected control group; NS, normal saline injected group; VC, vitamin C injected group; E15, embryonic age 15; D1, post-hatch day 1