Merck Manual

Please confirm that you are a health care professional

honeypot link
Atrophic cloacal bursa, infectious bursal disease virus, chicken
atrophic-cloacal-bursa-infectious-bursal-disease-virus-chicken-blakey-sized
Atrophic cloacal bursa, infectious bursal disease virus, chicken

    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.