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Preventing colic as horses transition to hay

By Juliet M. Getty

 

The crisp, cool temperatures of fall are delightful for human and horse alike. But as nature slips toward a dormant state, hay becomes the forage of choice for most horses.  Hay is dead grass. Once fresh grass is cut, dried, and stored as hay, its vitamin content, along with valuable omega 3 fatty acids, dramatically decline, making supplementation necessary to fill in nutritional gaps. Plus, hay has very little moisture compared to fresh pasture. Most hay contains approximately 90 to 95% dry matter (only 5 to 10% water), compared to fresh pasture with moisture levels often exceeding the dry matter content. Therefore, as hay becomes a larger percentage of your horse’s diet,  colic risk significantly increases.

 

Colic basically means a “tummy ache.”  It could simply be a mild disturbance, or severe enough to be life threatening. It is the number two killer of horses; number one being old age! Colic isn’t actually a disease; it’s a symptom of another problem. With increased hay consumption, impactions and excess gas production are the most common causes. Enteroliths (stones) are often seen in high alfalfa hay diets. And ulcers often develop when a horse is transferred from day-long turnout, to longer periods of time in the stall.  

 

Here are some important ways ease the transition and avoid colic

Simulate the horse’s natural need to graze by providing hay 24/7. Horses that experience an empty stomach between hay “meals” will eat their hay very quickly. Horses that are offered hay free-choice will learn that there is always hay available and will eat more slowly and self-regulate their intake to eat only what they need to maintain condition.

 

Limit winter stalling. Colic episodes increase when horses are brought in from pasture. Being outdoors provides needed exercise to keep the digestive tract muscles in tone.

 

Make changes gradually. This will give the bacterial flora in the hindgut a chance to become accustomed to the forage source. 

 

Offer a prebiotic. A prebiotic contains fermentation products rather than live microbes, which feed the existing population in the hindgut. This makes forage digestion more efficient.

 

Provide clean, tepid water.  Icy cold water is often rejected leading to decreased fluid in the digestive tract. It is best to heat the water supply to approximately 50° F to ensure enough consumption.

 

Don’t forget the salt.  Salt is needed year round. A full sized horse requires approximately 2 tablespoons (one ounce or 28 grams) of table salt per day, divided between meals, to encourage him to drinking to prevent impactions.  Salt blocks are often ignored because of the discomfort that constant licking creates. Consider offering table salt, free choice, by pouring some in a nearby bucket.

 

Have your horse’s teeth floated annually.  Poor dental health leads to partially chewed hay, which can cause impactions throughout the digestive tract.

 

If possible, have your hay analyzed. If you have two months supply or more, it is worth having your hay analyzed for its sugar and starch content, as well as the protein, minerals, and selenium levels.

 

In summary, continuous grazing without gaps will keep the intestinal motility normal, prevent acid buildup, and protect the vital forage-digesting hindgut microbes. Reduced water consumption (due to increased dry matter in hay and/or cold water temperature) is one of the main causes of colic in the winter. To prevent digestive health problems, be consistently consistent with your horse’s care and feeding, make slow transitions, and allow your horse to be a horse just as much throughout the cold months.

 

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Supporting Materials


 

·         A prebiotic will boost the health of the bacterial flora living in the hindgut, easing the transition from one form of forage (pasture) to another (hay).

 

·         If your horse is stalled more than usual, consider adding alfalfa hay to the diet. This serves as a buffer to prevent ulcers (which typically occur in stalled horses who are accustomed to turnout).

 

·         Consider an intestinal soothing supplement, typically containing herbs such as chamomile and slippery elm, to ease digestive distress.  

 

·         Since hay loses many important vitamins (that once existed in fresh grass), it is important to provide a comprehensive, vitamin/mineral supplement (preferably one that is flaxseed meal based to offer omega 3 fatty acids).

 

·         Contact a reputable lab to analyze your hay. Equi-Analytical Labs will offer you a complete analysis at a nominal fee: http://www.equi-analytical.com

 

 

Helpful supplements:

·         Ration Plus: http://gettyequinenutrition.biz/ration_plus/ration_plus.htm  This is a prebiotic, useful in making feeding transitions.

·         Nutra Flax: http://gettyequinenutrition.biz/products/nutraflax.htm  This is pure flaxseed meal that is stabilized (has a 6 month shelf life) and a small amount of added calcium to correct for the high phosphorus levels that naturally exist in flax. Consider this supplement if you are already feeding vitamins and minerals but need additional omega 3 fatty acids.

·         Glanzen Complete: http://gettyequinenutrition.biz/products/glanzencomplete.htm  This is a comprehensive vitamin/mineral preparation that is flaxseed meal based. It fills in the nutritional gaps that normally exist in hay.

·         AmiQuell: http://gettyequinenutrition.biz/products/amiquell.htm This herbal preparation soothes the sensitive digestive tract to prevent ulcers and can also be part of an ulcer-curing regimen.

 


For permission to reprint this article, in part or in its entirety, please contact Dr. Juliet Getty directly at Gettyequinenutrition@gmail.com