Changes

**Parasites passing through the lung as part of their migration e.g. [[Respiratory Parasitic Infections - Pathology#Ascaris suum|''Ascaris suum'']] in the pig, aberrant migration in the case of flukes;

**Parasites passing through the lung as part of their migration e.g. [[Respiratory Parasitic Infections - Pathology#Ascaris suum|''Ascaris suum'']] in the pig, aberrant migration in the case of flukes;

**Parasites for which the lung is the target tissue e.g. [[Respiratory Parasitic Infections - Pathology#Dictyocaulus viviparus|''Dictyocaulus viviparus'']]

**Parasites for which the lung is the target tissue e.g. [[Respiratory Parasitic Infections - Pathology#Dictyocaulus viviparus|''Dictyocaulus viviparus'']]

*Lesions can vary from interstitial to [[Bronchitis|chronic bronchitis]] to [[Lungs Inflammatory - Pathology#Granulomatous pneumonia|granulomatous pneumonia]]

*Lesions can vary from interstitial to [[Bronchitis|chronic bronchitis]] to [[Granulomatous Pneumonia|granulomatous pneumonia]]

*May be infiltrate of eosinophils in pulmonary interstitium and bronchoalveolar spaces

*May be infiltrate of eosinophils in pulmonary interstitium and bronchoalveolar spaces

*[[Atelectasis|Atelectasis]] and [[Pulmonary Emphysema|emphysema]] may result due to obstruction

*[[Atelectasis|Atelectasis]] and [[Pulmonary Emphysema|emphysema]] may result due to obstruction