Table 1.

Score, symptoms, and images for ear swelling responses observed over 1 h following an ear punch challenge

Score	Symptoms	Image
0	No signs of ear swelling (arrow), redness, or irritation
3	Enlarged ear (arrow), swelling at the base of the ear causing the ear to protrude from the head, mild redness, and un-kept fur on the affected side of the body, and/or bleeding from the ear area

The two extremes (scores of 0 and 3) are shown for comparison