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=====Equine dysautonomia, or grass sickness=====
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{| cellpadding="10" cellspacing="0" border="1"
| Also known as:
| '''Equine Dysautonomia<br>
|-}
'''Description'''
'''Signalment'''
* Most prevalent in the UK and western Europe.
* Most prevalent in the UK and western Europe.
* Usually affects young adults.
* Usually affects young adults.
** 6-7 years old.
** 6-7 years old.
'''Diagnosis'''
'''Clinical signs'''
** Acute oneset:
** Acute oneset:
*** Muscular tremors
*** Muscular tremors
** Clinically difficult to diagnose - signs are confined to the gut.
** Clinically difficult to diagnose - signs are confined to the gut.
*** Easy to diagnose on post mortem
*** Easy to diagnose on post mortem
'''Pathology'''
** [[Forestomach - Anatomy & Physiology|Stomach]] and [[Small Intestine - Anatomy & Physiology|small intestine]] large amounts of contain watery yellow fluid.
** [[Forestomach - Anatomy & Physiology|Stomach]] and [[Small Intestine - Anatomy & Physiology|small intestine]] large amounts of contain watery yellow fluid.
*** There is an abrupt change in the [[Large Intestine - Anatomy & Physiology|large intestine]], where no fluid is present.
*** There is an abrupt change in the [[Large Intestine - Anatomy & Physiology|large intestine]], where no fluid is present.