Fig. 7From: Exploring the effectiveness of in ovo feeding of vitamin C based on the embryonic vitamin C synthesis and absorption in broiler chickensEffects of in ovo feeding of vitamin C on embryonic morality and hatchability of fertilized eggs in broilers under heat stress. a-b Values with different superscript letters are different (P < 0.05). CON, non-injected control group; NS, normal saline injected group; VC, vitamin C injected groupBack to article page