Changes

===Description===

===Description===

Impaction (obstruction) of the oesophagus or 'choke' is the most common oesophageal disease of cattle and horses. Obstruction usuually occurs at the level of the thoracic inlet, the base of the heart or the hiatus oesophagus of the diaphragm (i.e. the narrowest points). In horses, causes of choke include consumption of unsoaked sugarbeet, rapid ingestion of roughage (hay), indadequate mastication of food, or rarely the ingestion of a foreign body (e.g. corn cob). Horses that are fed incorrectly or have poor dentition are more prone to developing the condition.  

Impaction (obstruction) of the oesophagus or 'choke' is the most common oesophageal disease of cattle and horses. Obstruction usually occurs at the level of the thoracic inlet, the base of the heart or the hiatus oesophagus of the diaphragm (i.e. the narrowest points). In horses, causes of choke include consumption of unsoaked sugarbeet, rapid ingestion of roughage (hay), indadequate mastication of food, or rarely the ingestion of a foreign body (e.g. corn cob). Horses that are fed incorrectly or have poor dentition are more prone to developing the condition.  

In cattle, choke usually occurs due to the ingestion of a single solid vegetable or fruit such as a potato, turnip or corn cob.  

In cattle, choke usually occurs due to the ingestion of a single solid vegetable or fruit such as a potato, turnip or corn cob.

===Clinical Signs===

===Clinical Signs===