What is the name of this lesion?
What is the possible aetiology of this lesion?
What could be causing these lesions?
Which can be the cause for this lesion?
What is the name of this parasite?
This image of a cross-section of a pig lung is characteristic of a pneumonia caused by:
What pathogens are involved?
Which lesions are present in this lung?
Most of the pigs in this pen have dark coloured over the skin. What is the cause of this condition?