Figure 3From: Maternal immunization with vaccines containing recombinant NetB toxin partially protects progeny chickens from necrotic enteritisMaternally derived anti-NetB specific IgY antibodies in progeny chickens. (a) Anti-NetB IgY levels in 21 day-old chickens; (b) anti-NetB IgY levels in a separate group of 14 day-old chickens. Error bars represent SEM. *p < 0.05, ***p < 0.001.Back to article page