EquiShure

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EquiShure® is a time-released buffer targeting the hindgut. Research supports the use of a hindgut buffer in cases of high grain and high fructan intake.

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EquiShure® is a time-released buffer targeting the hindgut. Research supports the use of a hindgut buffer in cases of high grain and high fructan intake. EquiShure’s unique, patent-pending encapsulation technology ensures targeted release directly in the hindgut.

Up to 70% of the horse’s energy is derived from fermentation in the hindgut. The pH of the hindgut varies as bacterial populations increase and decrease in response to dietary modifications. An acidic shift, which can be caused by carbohydrate-rich meals, favors the growth of acid-loving bacteria, while other microbes die in the same conditions.

Changes in the pH of the hindgut due to alterations in the microbial populations and acid profiles cause a condition known as subclinical acidosis, which can put affected horses at a higher than normal risk for colic and laminitis. Other signs of subclinical acidosis include decreased feed intake or complete inappetence in severe cases, mild to moderate colic signs of unexplained origin, poor feed efficiency and subsequent weight loss, loss of performance, and development of certain vices such as wood chewing, weaving, and stall walking.

Cause of Subclinical Acidosis

One of the primary signs of subclinical acidosis is inappetence or decreased appetite. A horse is often reported to be “off his feed.”Because the hindgut is overwhelmed with lactic acid when a horse is experiencing acidosis, the intestinal lining becomes inflamed and irritated, causing the horse discomfort. The irritation may be severe enough to induce behavior characteristic of colic. Furthermore and perhaps most detrimental to equine athletes is a reduction of feed efficiency. Long-term exposure of the intestinal lining to a low-pH environment may negatively affect the absorptive capacities of these structures, limiting the amount of energy available for performance.

In addition to these health concerns, a link between subclinical acidosis and sterotypies such as wood chewing, weaving, and stall walking has been suggested by researchers.

Because of the precarious nature of the hindgut of a horse afflicted with subclinical acidosis, it is less able to handle metabolic crises that healthy horses may be able to fend off. Hence, horses with subclinical acidosis are more susceptible to colic and laminitis.

 

EquiShure is recommended for horses:

  • On high-grain diets or grazing lush pasture
  • With inappetence or weight loss
  • With unexplainable behavioral problems
  • With digestive upsets resulting in loose manure
  • Prone to recurrent mild colic or laminitis
  • Sport horses under stress of training
 
 
 
 

Proven Time-Released Buffer

Research trials at Kentucky Equine Research (KER) were designed to test the efficacy of EquiShure® on hindgut acidosis in horses fed a high-grain ration. Fecal examination indicated that nonsupplemented horses had decreased fecal pH after feeding when compared to horses supplemented with EquiShure hindgut buffer (Figure 1). In addition, EquiShure supplemented horses had significantly lower fecal lactate concentrations, suggesting that lactate was being used by lactic-acid-utilizing bacteria to produce VFA. The VFA are subsequently absorbed by the intestine and are metabolized as an energy source in the liver. These significant results suggest that EquiShure prevented the decrease in pH associated with rapid starch and sugar fermentation after a large grain meal, enabling lactate-utilizing bacteria to thrive and convert lactate into VFA.

Subclinical acidosis can also be caused by pasture grasses rich in fructan. Microbial digestion of fructans results in production of VFA and lactic acid similar to cereal grain digestion in the hindgut. As with large amounts of grain, high fructan intakes overwhelm the hindgut resulting in rapid fermentation, accumulation of lactic acid, and a deleterious decrease in pH. KER therefore tested the efficacy of EquiShure against a challenge of fructan. Results showed that EquiShure-supplemented horses had less fecal lactate when compared to control horses (Figure 2), which, like in the grain study, indicates that lactate is being converted into VFA by lactic-acid-utilizing bacteria. However, both groups of horses exhibited decreased fecal pH. In control horses, both lactic acid and VFA contributed to the acidic conditions, whereas in EquiShure-treated horses, most of the lactic acid was being utilized. Low pH as the result of VFA is less detrimental to hindgut function compared with lactate, which is a much stronger acid.

Use table below to determine recommended daily amount based on horse’s grain intake, forage source, and weight. Top-dress EquiShure on daily grain ration. For best results divide recommended daily amount equally among grain meals. 1 scoop = 30 g.

 
 

 

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