Sand impaction of the large colon is seen in horses with limited access to drinking water or those grazing bare pastures. Occasionally sand may be consumed when included with hay. The ingested sand may act as an inflammatory stimulus leading to a foreign body enteritis, commonly known as 'sand colic'. Alternatively it may accumulate and form a sediment within the right dorsal colon, pelvic flexure and transverse colon leading to an impaction. | Sand impaction of the large colon is seen in horses with limited access to drinking water or those grazing bare pastures. Occasionally sand may be consumed when included with hay. The ingested sand may act as an inflammatory stimulus leading to a foreign body enteritis, commonly known as 'sand colic'. Alternatively it may accumulate and form a sediment within the right dorsal colon, pelvic flexure and transverse colon leading to an impaction. |