Your horse’s digestive system is remarkably efficient. From grass, hay, grain, salt and water, the equine gut can extract or synthesize all the calories and nutrients necessary to keep the typical pleasure horse healthy and in good body condition. And it functions pretty much flawlessly under a wide range of conditions both internal and external.
Much of the credit for this digestive efficiency goes to the colonies of bacteria, protozoa and fungi---collectively referred to as intestinal flora---that reside within the horse’s intestines. These microorganisms are continually consuming, excreting and reproducing, as all living things do. Your horse isn’t unique in hosting this diverse and dynamic microbiota: Researchers estimate that there are approximately five billion such organisms per gram of digestive fluid in every mammalian digestive tract.
The natural activities of gut flora---breaking down certain molecules and synthesizing others---contribute to a larger, symbiotic web of essential digestive functions. Their main contribution is the breaking down of foodstuffs, such as starches and cellulose, so that the body can extract, synthesize or derive vitamins, amino acids or other vital nutrients. Meanwhile, these hard-working organisms also help keep damaging bacteria in check and toxins from the bloodstream. Gut flora are the ultimate multi-taskers.
This story is from the Autumn 2020 edition of Equus.
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This story is from the Autumn 2020 edition of Equus.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 8,500+ magazines and newspapers.
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