Scoring System for Lesions Induced by Different Strains of Newcastle Disease Virus in Chicken

<div>Trachea of SPF chickens. (a) Day 3 pi of vNDV. Hyperaemia (black arrow), hyperplasia (white double arrow), and deciliation (double arrow in black), lesion scoring of 4.00.Scale bar = 20 <i>μ</i>m. (b) Control group, lesion scoring of 0. Scale bar = 20 <i>μ</i>m. HE.</div>

Veterinary Medicine International

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Figure 1

Figure 1: Scoring System for Lesions Induced by Different Strains of Newcastle Disease Virus in Chicken 