Changes

*Due to aspiration of amniotic fluid contaminated with meconium and bacteria

*Due to aspiration of amniotic fluid contaminated with meconium and bacteria

**Secondary to fetal distress

**Secondary to fetal distress

**Microscopic lesions of [[Lungs Inflammatory - Pathology#Bronchopneumonia|bronchopneumonia]]

**Microscopic lesions of [[Bronchopneumonia|bronchopneumonia]]

**Involves all lobes (versus postnatal bronchopneumonia)

**Involves all lobes (versus postnatal bronchopneumonia)

*Haematogenous spread

*Haematogenous spread

**Causes [[Lungs Inflammatory - Pathology#Interstitial pneumonia|interstitial pneumonia]]

**Causes [[Interstitial Pneumonia|interstitial pneumonia]]

**Often caused by ''Listeria monocytogenes'', ''Salmonella'' spp. or ''Chlamydia psittaci''

**Often caused by ''Listeria monocytogenes'', ''Salmonella'' spp. or ''Chlamydia psittaci''

*In viral abortions

*In viral abortions

**Cause [[Lungs Inflammatory - Pathology#Bronchointerstitial pneumonia|bronchointerstitial pneumonia]]

**Cause [[Bronchointerstitial Pneumonia|bronchointerstitial pneumonia]]

**E.g.: [[Infectious Bovine Rhinotracheitis|IBR]], [[Bovine Parainfluenza - 3|PI-3]] and [[Equine Rhinopneumonitis|equine viral rhinopneumonitis]]

**E.g.: [[Infectious Bovine Rhinotracheitis|IBR]], [[Bovine Parainfluenza - 3|PI-3]] and [[Equine Rhinopneumonitis|equine viral rhinopneumonitis]]

[[Category:Pneumonia]]

[[Category:Pneumonia]]