Changes

===Clinical Signs===

===Clinical Signs===

Include anorexia, vomiting (frequency is very variable from once weekly to several times each day. May also present with haematemesis)and emaciation with longstanding disease. Sometimes dehydration is also present.

Include anorexia, vomiting (frequency is very variable from once weekly to several times each day. May also present with haematemesis)and emaciation with longstanding disease. Sometimes dehydration is also present.

===Laboratory Tests===

===Laboratory Tests===