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.
Light microscopical appearance of hepatic tissue in outbreak of aflatoxicosis showing centrilobular degeneration of hepatocytes with vacuolated cytoplasm and apoptoses (top right abnormal)(Haematoxylin and eosin).
Aspergillus terreus Thom. A Colonies on MEA after one week; B detail of colony showing columnar conidial heads x 44 ; C conidial heads and tip x 920; D conidia x2330
Aspergillus terreus Thom. Conidial head of Aspergillus terreus. Conidial heads are compact, columnar and biseriate. Conidiophores are hyaline to slightly yellow and smooth walled.
. 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){kind=link}