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3D-Sample 007-2021

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Organ

Swine. Right lung

Morphological diagnosis and gross description

Lung: severe, subacute, focally extensive (caudo-dorsal), fibrino-necrotizing, pleuropneumonia. Note a well-demarcated, focally-extensive, blue, area in the caudo-dorsal region of the lung. The pleura over this area is white. On section, there is a focal, poorly demarcated lesion with a central white-yellow area (necrosis), surrounded by a dark red area (haemorrhage).
Lung: moderate, subacute, multifocal-coalescent, suppurative, bronchopneumonia. Note several irregular coalescing, dark red areas.

Condition

Porcine pleuropneumonia and porcine enzootic pneumonia.

Aetiology

Actinobacillus pleuropneumoniae and Mycoplasma hyopneumoniae