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Hindgut Ulcers in Performance Horses – A Common Problem

Hindgut Ulcers in Performance horses

A study by Louisiana State University found that 65% of performance horses suffered from hindgut ulcers. However, the condition may go undiagnosed for months  because horses are usually normal between acute episodes.

To understand the causes, symptoms and solutions of hindgut ulcers, it’s important to distinguish between the stomach and the hindgut.

The stomach occupies less than 10% of the horse’s digestive tract while the hindgut is huge and stretches from the cecum to the anus.

Causes of Hindgut Ulcers in Performance Horses

A performance horse’s lifestyle is significantly different to its intended natural state. Management of the performance horse often includes stalling, travel and a high energy diet. These ‘unnatural’ circumstances can contribute to the formation of hindgut ulcers. 

Like gastric ulcers, hindgut ulcers occur as a result of damage to the horse’s muscousy digestive tract lining and there are two common causes .

Right dorsal colitis

This occurs as a result of stress & non-steroidal anti-inflammatory drug (NSAID) exposure.

Phenylbutazone or ‘bute’ is the most commonly used equine NSAID. These medications stop the production of prostaglandins in order to decrease pain and inflammation. However, they also affect the mucus production and blood flow that keeps the hindgut lining healthy and protected.

Hindgut acidosis

High grain diets can be too much for an equine stomach to digest. This means excess undigested grain moves on to the hindgut which increases the production of lactic acid. The increased acidity reduces mucus production and leaves the hindgut lining unprotected from further acid exposure.

Parasite burdens are also known to cause problems to the horse’s hindgut.

Symptoms of hindgut ulcers in performance horses

  • weight loss and low body condition
  • irritability and ‘nappiness’ while being ridden
  • a cranky attitude
  • behavior indicating discomfort, such as pawing or laying down
  • loss of appetite
  • girthiness
  • sensitivity in the flank area
  • difficulty bending, collecting, and extending
  • soft or loose droppings
  • laminitis
  • repetitive behaviours like weaving or cribbing
  • sudden dislike of grooming & rugging

A combination of any of the above symptoms and low manure pH could be an indication of hindgut ulcers. 

Hindgut ulcers in performance horses
Discuss your horses condition with your Vet

Treatment for hindgut ulcers in performance horses

Sucralfate is the best treatment for hindgut ulcers in performance horses.

It works by forming a viscous gel over the ulcer craters. This protects the ulcers from further damage and gives them a chance to heal.

In addition, sucralfate also:

• Inhibits the action of pepsin, the enzyme that breaks down protein.
• Increases the production of prostaglandins, which protect the stomach lining

Importantly, sucralfate provides nearly immediate relief to horses.

 

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October 24, 2017 Filed Under: Horse Ulcers Tagged With: Horse Hindgut Ulcers, Sucralfate

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The Abler Blog is dedicated to educating the horse community on equine ulcers. Written by lifelong horse owners and supported by Abler, specialists in equine medication.

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AbSucralfate™ Packet and Granules

AbSucralfate™(Sucralfate) is easy-to-feed, pre-measured doses of flavourless green, film coated granules of sucralfate, for the relief of symptoms of equine hindgut ulcers.

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