Chicken anemia virus infection, thymus
A. Thymus from a 14-day-old broiler chicken suspected of infection with chicken anemia virus. Note the loss of thymocytes in the cortex and the presence of hemorrhage. Scale bar = 500 mcm. B. Normal thymus from an unaffected hatchmate. Scale bar = 500 mcm.
Courtesy of Dr. Oscar J. Fletcher.
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