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Older horses Part 9: Reduced intestinal function in older horses

Reduced intestinal function in older horses

Research has shown that with age, the ability to digest food and to absorb nutrients diminishes. While the need for vitamins, minerals and proteins is increasing. The reduced capacity of the intestines is caused by a reduced intestinal function. It is therefore not surprising that old horses, compared to other horses, are more sensitive to colic and constipation. Senior horses respond more strongly to changes in the ration in the fall than young horses. There are indications that older horses are less able to digest digestible crude protein (Vrep), so that their protein requirements can be 12 to 14% higher. Essential amino acids (amino acids that the body cannot produce itself) such as lysine and threonine are important for older horses to maintain muscle mass.

The less efficient digestion also means that a higher concentration of vitamins and minerals must be present in the ration. Young and adult horses can form vitamin C in the liver from glucose, while in older horses the production of vitamin C decreases because the liver functions less well and it will have to be offered in the ration. In addition, it is not beneficial for old horses to have too many sugars in the diet, excessive sugars burden the digestive system of the horse, which increases the chance of metabolic diseases. It is better to provide the horse with vitamin C and to avoid sugars and starches. In the Hartog 5 * Complete Care Senior, therefore, vitamin C has been added and the feed contains a minimal amount of sugar and starch. Phosphorus needs may be higher in older horses (0.4 to 0.65% higher), while calcium must remain at maintenance level to maintain the Ca: P ratio of approximately 2: 1.

The reduced intestinal function also ensures that senior horses are more sensitive to problems with the digestive system. For example, old horses can suffer from various intestinal problems such as (over) sensitive abdomen and intestines, an increased chance of (gas) colic or, for example, inflammation of the small intestine.

The golden combination: 5 * Hartog Complete Care Senior & Hartog Digest

Hartog horse feed recommends a combination of the Hartog 5 * Complete Care Senior with Hartog Digest for senior horses. The Hartog 5* Complete Care Senior is a complete feed, the horse is provided with all necessary vitamins, minerals, fibers and amino acids. To support the horse with the optimal use of the Hartog 5 * Complete Care Senior it is recommended to feed a horse (600 kg) 1 kg Hartog Digest. This product supports and protects the gastrointestinal tract, positively influences the Ph value and allows intestinal flakes to function better. Older horses with reduced intestinal function can use this well. After all, it is not only about what the horse receives, but especially about what the horse can digest and use as a result!

The Hartog Digest contains many ingredients that ensure optimization of the digestive system. Among other things the Powerstart formula consisting of tannin and butyrate, Diamond V yeast cultures, magnesium oxide and prebiotics. In 2003, research was done into the effect of Diamond V yeast cultures on older horses, which showed that the digestibility of protein, magnesium and fibers improved considerably (Switzer, et al., 2003). A big advantage to feeding this combination is that it is unnecessary to feed supplements. Read more about all the special workings of the Hartog 5 * Complete Care Senior.

Read further in Older horses Part 10: Feeding old horses

Source

S.T. Switzer, L.A. Baker, J.L. Pipkin, R.C. Bachman J.C. Haliburton (2003) EFFECT OF YEAST CULTURE SUPPLEMENTATION ON NUTRIENT DIGESTIBILITY IN AGED HORSES. Equine Industry Program, Division of Agriculture, West Texas A&M University, Canyon, TX. Texas A&M Veterinary Medical Diagnostic Laboratory, Amarillo, TX. 

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