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 four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).
A four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).
A four day A. fumigatus culture on malt extract agar (above). Light microscopy pictures are taken at 1000x mag., stained with lacto-phenol cotton blue (right).