Pulmonary aspergillosis (cow 2). Section of lung from a 2 year old cow with weight loss and anorexia since calving. On necropsy examination, multiple firm masses were identified throughout the lungs. These were cavitating in nature, with a necrotic c
Pulmonary aspergillosis (cow 2). Section of lung from a 2 year old cow with weight loss and anorexia since calving. On necropsy examination, multiple firm masses were identified throughout the lungs. These were cavitating in nature, with a necrotic centre and peripheral fibrosis. Both this section and the following one are taken from the edge of such a lesion and demonstrate the pyogranulomatous inflammatory response.
A Colonies on MEA after one week;B conidial heads and tip of conidiophore, x 230; C conidial head, x920; E conidial head, x920. Copyright B.Flannigan, R Samson & JD Miller (From Microorganisms in home and indoor work environments, Published by Taylor and Francis)