Specimen Information

Species: cow

Age: mature

Organ: lung

History: chronic respiratory difficulty

Pathology Details

Gross description: Throughout the cranioventral lung lobes there are myriad 5-10 mm, white, firm nodules that ooze thick creamy fluid on cut section. Interlobular septa are prominent and expanded by clear fluid.

Diagnosis: Lungs: Bronchopneumonia, severe, chronic, caseous (very suggestive of Mycoplasma).

Additional information: This specimen was PCR positive for Mycoplasma spp.