Changes

==Signalment==  

==Signalment==  

Grass sickness has been reported in Northwestern Europe and South America with the highest incidence in the UK, in some parts of Eastern Scotland 1% of horses die annualy from the disease.  

Grass sickness has been reported in Northwestern Europe and South America with the highest incidence in the UK, in some parts of Eastern Scotland 1% of horses die annualy from the disease.  

The disease usually occurs in spring or summer in horses at pasture or

The disease usually occurs in spring or summer in horses at pasture, those that have moved pasture recently are also at greater risk.  

* Usually affects young adults.

Young animals 2-7 years old are predisposed.

** 6-7 years old.

==Diagnosis==

==Diagnosis==

===Clinical signs===

===Clinical signs===

*Depression

*Depression

*Abdominal pain

*Abdominal pain, episodes of colic

*Abdominal distension

*Abdominal distension

*Dysphagia

*Dysphagia