Interstitial pneumonia - Atlas of swine pathology
![](https://www.pig333.com/3tres3_common/atlas/web/interstitial-pneumonia_203.jpg)
Where: respiratory system, lungs
Possible causes: Porcine circovirosisPRRSInfluenzaFumonisin toxicosis
Interstitial pneumonia was confirmed by histological examination. RT-PCR test came back positive to PCV-2 infection and negative to Mycoplasma hyopneumoniae (enzootic pneumonia), swine influenza and PRRS.
The unit was not vaccinating against PCV-2.