Astrovirus infection, runting and stunting, helicopter wing, chick

Astrovirus infection, runting and stunting, helicopter wing, chick

Chick with runting and stunting syndrome, which is associated with chicken astrovirus infection. A. “Helicopter” wing feathers in a 26-day-old runt chicken. B. In some affected flocks. a vast range of body weights is observed.

Courtesy of Dr. Guillermo Zavala and Dr. Holly Sellers.