Fig. 1From: Altered Procollagen mRNA Expression during the Progression of Avian Scleroderma Spontaneous inflammation in the comb of UCD-200 chickens Eleven-day-old UCD-200 chickens in the acute phase of the disease exhibit the three stages of inflammation (from left): erythema (1 +), edema (2 +), and commencement of comb necrosis (3 +).Back to article page