extremely significantp < 0.001
highly significantp < 0.01
On comparing the damage to ciliary activity caused by rIBVs, the rYN-1a-aYN challenged group showed lower damage with a highly significant difference at 3 and 10 dpi (p < 0.01) and an extremely significant difference at 5 and 7 days post-challenge (p < 0.001) compared with the rYN group.