Changes

===Description===  

===Description===  

Impaction of the large colon is seen in horses with limited access to drinking water or grazing bare pastures. Horses fed on a low-roughage diet are more prone to developing the condition. The ingested sand accumulates and forms a sediment within the right dorsal colon, pelvic flexure and transverse colon. This type of colic is particularly common in dry sandy regions of the world and is far less common in the UK and rest of Europe. If sufficient sand is  

Impaction of the large colon is seen in horses with limited access to drinking water or those grazing bare pastures. Horses fed on a low-roughage diet are more prone to developing the condition. The ingested sand accumulates and forms a sediment within the right dorsal colon, pelvic flexure and transverse colon. This type of colic is particularly common in dry sandy regions of the world and is far less common in the UK and rest of Europe. If sufficient sand is  

===Clinical signs===

===Clinical signs===