Figure 1: Specificity of Anti- chicken IgG (IgY) Heavy Chain Immunoglob ulin, clone 0.8C, determined by Immunoblot analysis.Blot contains Na-alginate precipitated yolk IgY (predicted band size [heavy chain IgY] 70 kDa). Incubated with antibody fraction (c ulture supernatant) 10X diluted in PBS containing 0.05% tween-20 and 5% non fat dry milk.