Colic is the most commonly occuring serious horse illness, affecting at least 1 in 10 horses each year. It is the single biggest cause of premature horse death and also the most frequent source of major veterinary bills. In addition, it can cause other serious illnesses, such as laminitis or founder.

There are many different types of colic and many different causes. Fortunately, the main causes have been identified by research, including studies which have covered thousands of colic cases. Following is a list of actions to avoid the main causes of colic and thereby greatly reduce the risk of your horse getting colic.

1) Frequent Feedings. Horses have evolved to graze throughout the day. The more frequently they eat, the healthier their digestive system.

2) Grass before Grain. The equine digestive system is designed for ‘high volume, low calorie’ food such as grass or hay. Energy-dense foods such as grain or musli have insufficient volume and fiber. Consequently, the diet should have as much grass or hay as possible. If one feeds both hay and grain, one should feed the hay followed by the grain rather than the reverse order, as this results in better digestion and less bolting.

3) Soak Pellets. Pelleted food (e.g. hay pellets) should be soaked before feeding. This prevents bolting and choke. In addition, unsoaked pellets can greatly expand when they enter the stomach, resulting in bloating.

4) Secure the Feedroom. The feedroom should be locked or have a horse-proof latch to prevent horses from getting in and gorging themselves. Excessive feeding, especially on grain and similar foods, can result in colic. It can also cause laminitis or founder.

5) Bolting. If your horse bolts (swallows before chewing) its food, discuss options with your veterinarian. You may need to change its feed or feeding regime (e.g. soak pellets, feed hay before grain, feed more often) to correct this habit. Also check if there are dental issues which require corrective work.

6) Dirt and Sand. Horses that ingest large amounts of dirt or sand are likely to develop impaction colic, especially if they have a low-fiber diet. Do not feed your horse on a sandy or dirty surface. Avoid putting them on over-grazed pastures, as they will ingest earth on such pastures.

6) Water. Ensure that the horse has access to water at all times. During winter, horses will often not drink enough if the water is too cold so one may need to warm the water. After exercise, limit the amount of water the horse drinks before it cools down.

7) De-worming. Horses should be de-wormed regularly (every 3-4 months). All the horses which share a pasture should be de-wormed at the same time to prevent cross-infection. If a horse has not been de-wormed for a long time, use a laxative a few days before to clear out the worst of the worm population before administrating a de-wormer medication.
Regular Exercise. Horses with insufficient exercise are more prone to colic. When starting an exercise regime, start gradually as rapid changes in the amount of exercise can result in colic.

9) Bedding. If your horse eats its bedding, especially in large quantities, consider changing to a bedding type which it does not eat.

10) Cold. Although horses can tolerate a fair amount of cold, if they become chilled (drop in body temperature) they are likely to develop colic. This is particularly likely to occur when there is a sudden drop in temperature after a relatively mild period. Avoid these by allowing your horse to develop a winter coat and/or protecting it with a rug. Especially during wet and windy weather, the horse should be protected from excessive cold.

The above is an extract from Horse Colilc, which examines the causes and prevention of horse colic. Dr. Doug Stewart also writes on other Horse Health issues.

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Tags: Horses