highly significantp < 0.001
AIV prevalence and risk comparison for EFGs The anseriforms afro-tropical group represented the only anseriforms present in all three sites and their AIV prevalence was 1.1, 1.2, and 5.0% respectively for BAR, STR & MAN (95% Confidence Intervals being [0.7:1.9], [0.4:1.7], [4:5.9] respectively) differing significantly between MAN and both BAR and STR (both chi-square tests being highly significant, p < 0.001).