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Inits acute form it is usually characterised by severe abdominal pain but somehorses may present with intermittent
 
Inits acute form it is usually characterised by severe abdominal pain but somehorses may present with intermittent
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Incontrast, chronic impaction of the stomach which appears to develop slowly overseveral weeks or even months has a
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Incontrast, chronic impaction of the stomach which appears to develop slowly overseveral weeks or even months has a poor prognosis
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verypoor prognosis (Edwards 1997, Huskamp, Scheidemann and Schusser 2000).Diagnosis is difficult in the early stages.
    
==Diagnosis==
 
==Diagnosis==
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