A common type of colic, impactions result in a partial or full blockage of the intestines. Usually caused by a solid mass of food, impactions can be worsened by dehydration. Learn to listen you your horse's gut sounds. A lack of normal, gurgling stomach and intestinal sounds can indicate a blockage.
Impaction colic is also called obstructive colic. A common causes of impaction or obstructive colic is an irregular or inappropriate feeding schedule.
If your horse goes too long between meals, he may eat too quickly. His small stomach and complex digestive tract are not built for gorging and this can lead to to trouble.
Horses fed on sandy ground can develop sand colic and impactions. Grit, gravel and sand can irritate the intestinal wall and slowly build up, impairing intestinal motility and creating a blockage.
Other common causes of impaction colics in horses include: