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* Sudden onset with haemorrhages throughout body (shock) and sometimes acute foul smelling diarhoea.
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* [[Colon - Anatomy & Physiology|colon]] is acutely haemorhagic and oedematous with mucosal necrosis.
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* Associated with [[:Category:Enteropathogenic and Enterotoxaemic Clostridia|''Clostridium perfringens'']].
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* Possibly an enterotoxaemia.
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==Description==
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Colitis X (so-called due to its unknown aetiology) is a peracute and highly fatal disease of horses. Is characterised by severe oedematous colitis, sudden watery diarrhoea and death within 24 hours. A number of possible underlying causes have been described, including drug or parasite hypersensitivity, salmonellosis, high-protein low-cellulose diets and clostridial enterocolitis. Stress has been reported as a predisposing factor to colitis X.
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==Signalment==
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Colitis X affects adult horses, usually between one and ten years old.
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==Description==
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==Clinical Signs==
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Colitis X (so-called due to its unknown aetiology) is a peracute and highly fatal disease of horses. Is characterised by severe oedematous colitis, sudden watery diarrhea and death within 24 hours. A number of possible underlying causes have been described, including drug or parasite hypersensitivity, salmonellosis, high-protein low-cellulose diets and clostridial enterocolitis. Stress has been reported as a predisposing factor to colitis X.
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The clinical signs are similar to those described for other forms of acute- peracute colitis
 
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==Clinical Signs==
      
* Abdominal pain
 
* Abdominal pain
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==Diagnosis==
 
==Diagnosis==
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Diagnosis is often based on the peracute nature of clinical signs.
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PCV
    
==Pathology==
 
==Pathology==
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==References==
 
==References==
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* Glenn Songer, J., Trinh, H.T., Dial, S.M., Brazier, J.S., Glock, R.D. (2009) '''Journal of Veterinary Diagnostic Investigation 21:377–380 (2009)'''  
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* Glenn Songer, J., Trinh, H.T., Dial, S.M., Brazier, J.S., Glock, R.D. (2009) Equine colitis X associated with infection by Clostridium difficile NAP1/027. '''Journal of Veterinary Diagnostic Investigation 21:377–380'''
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* Diakakis, N. (2008) Equine colitis X. '''Journal of the Hellenic Veterinary Medical Society (Hellenic Veterinary Medical Society) (Volume 59, Number 1): 23–28(6)
    
* White, N.A., Edwards, G.B. (1999) '''Handbook of Equine Colic''' ''Reed Educational and Professional Publishing Ltd''   
 
* White, N.A., Edwards, G.B. (1999) '''Handbook of Equine Colic''' ''Reed Educational and Professional Publishing Ltd''   
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