Changes

==Diagnosis==

==Diagnosis==

Ante-mortem diagnosis of the disease is difficult because changes are confined to the gastro-intestinal tract.  

Ante-mortem diagnosis of the disease is difficult because changes are confined to the gastro-intestinal tract. However the combination of a supportive history and clinical signs strongly suggestives grass sickness, definitive diagnosis is made on ileal biopsy or post mortem exam.

===Clinical signs===

===Clinical signs===

*Depression

*Depression