Atrofia da bursa cloacal, vírus da doença infecciosa da bursa, galinha

Atrofia da bursa cloacal, vírus da doença infecciosa da bursa, galinha

Gross pathology photograph showing a small, atrophic cloacal bursa (albeit without gross lesions) in a subclinically affected chicken infected with a variant strain of infectious bursal disease virus.

Courtesy of Dr. Daral J. Jackwood.