As horse owners, we must pay attention to every aspect of our horses' routine — even their bathroom habits! In fact, manure can reveal a wealth of information about our horses' health.
One issue that can arise is Fecal Water Syndrome (FWS), which is characterized by the passage of normal feces followed by the expulsion of liquid fecal matter. Understanding FWS is crucial for providing proper care and management for our equine companions. In this article, we will explore the complexities of FWS, examine its probable causes, and present nutritional strategies for effective management. Furthermore, we will outline a simple two-step process to help alleviate this condition.
What is Equine Fecal Water Syndrome?
Fecal Water Syndrome is a condition where horses pass a typical fecal ball followed by a release of excess liquid stool, which is distinct from diarrhea. While FWS may not pose a significant danger like acute diarrhea, it can lead to other complications such as sensitive skin and of course added grooming and washing time for the owner. According to a study published in the Journal of Equine Veterinary Science, FWS can often be misdiagnosed, leading to inappropriate treatment strategies [1], this is why it is important to work with a veterinarian to be sure you are dealing with FWS instead of an acute more severe condition such as diarrhea.
The ecological balance within a horse's gut is essential for its overall health, and FWS is indicative of an imbalance. As mentioned above, skin irritations can occur as a result of excess moisture content in manure. For skin irritation associated with FWS, topical treatments, such as zinc oxide creams, have been shown to manage these symptoms effectively and are often recommended by veterinarians for relief [2].
Symptoms of Fecal Water Syndrome
The symptoms associated with FWS can vary from one horse to another but generally include:
The passage of liquid fecal matter (before or after normal manure)
Skin irritation, particularly around the hind legs
Tail swishing or stomping post-defecation
Mild bloating or discomfort
Recognizing these symptoms is essential for timely intervention and management.
Causes of Fecal Water Syndrome
While research is ongoing, several factors appear to contribute to the manifestation of FWS. A study published in the American Journal of Veterinary Research found that horses suffering from FWS often exhibit atypical dietary patterns characterized by high starch and sugar while being deficient in fiber and protein [3]. The underlying mechanisms causing FWS are not entirely understood but may relate to gut dysbiosis or the functioning of the equine hindgut.
The hindgut is crucial for digesting fiber and absorbing moisture. When the balance of the gut flora is disrupted, it can lead to fermentation issues. Excess starch in the gut can create an environment conducive to overgrowth of pathogenic bacteria, leading to increased water secretion in the colon and exacerbation of FWS symptoms [4]. Making changes to the diet is the first step in addressing FWS.
Nutritional Adjustments to Treat Fecal Water Syndrome
Dietary modifications play a pivotal role in managing FWS effectively. Based on research-backed strategies, here are several dietary adjustments you can implement:
Increase Fiber Intake
Evidence suggests that an increase in dietary fiber can significantly improve the health of the equine gut. Fiber serves multiple functions: it aids in water absorption, regulates digestion, and promotes the growth of beneficial gut bacteria. Specifically, fermentable fibers like beet pulp and grass hays (such as timothy hay) can be instrumental in stabilizing digestive processes and reducing the liquid component of fecal matter [3].
Reducing Starch and Sugar Intake
Excessive starch and sugar can disrupt the delicate balance of the equine gut. Research indicates that high-starch diets lead to increased fermentation in the hindgut, resulting in more water drawn into the colon. Therefore, transitioning to a diet lower in starch and sugar, such as alfalfa hay or hay cubes, can help mitigate symptoms of FWS [6]. It is essential to implement these changes gradually to avoid causing further digestive disruption. Even a small amount of alfalfa added to the diet can make a noticeable difference for some. For the horse who cannot have alfalfa, consider adding a low sugar and low starch hay such as teff to their diet.
The Secret Sauce: Our 2-Step Process for Managing Fecal Water Syndrome
Understanding the integral role nutrition plays in FWS allows us to adopt effective management strategies. Here, we introduce our two-step process designed to provide relief for horses suffering from this condition:
Step 1: Feed Sand-Less for Fiber Boost and Gut Purging
Sand-Less is formulated to enhance fiber content while aiding in the clearance of debris from the digestive system. By promoting a healthier environment within the gut, Sand-Less can help reset the digestive tract and reduce FWS symptoms. Start with a 7 day purge using Sand-Less.
Step 2: Feed Inner Glow Omega Booster For Continued Gut Support
Once the gut is reset, start feeding Inner Glow Omega Booster which provides a daily source of fiber and a complete source of protein and omegas without the added sugar and grains. On top of being an excellent source of fiber, the Inner Glow Omega Booster has benefits for the entire body such as an intensely shiny coat, all essential amino acids for a strong topline and muscle health, naturally occurring biotin for hoof integrity and mane and tail growth, mucilage which coats the stomach lining to soothe and prevent ulcers and so much more. Continue with Inner Glow Omega Booster daily, year round.
So why does it work so well? This 2-step approach goes above and beyond to support healthy digestion through the use of whole foods which are naturally recognized and utilized by the horse’s body. The combination addresses a potential cause of FWS — gut imbalance and fiber and protein deficiency while also delivering bountiful nutrients that have benefits for the entire body. Furthermore, both products are low NSC and safe for metabolic horses to consume.
*Start with a 7 day Sand-Less purge. After the purge is complete start using Inner Glow Omega Booster immediately and continually thereafter as a daily supplement. Sand-Less can be repeated as need, most customers use Sand-Less quarterly. When using Sand-Less, stop use of the Inner Glow Omega Booster and continue again once Sand-Less purge is complete.
Final Thoughts
Just like us, horses thrive on a balanced diet. When things are out of line and gut health suffers, issues like FWS can arise. Through a careful examination of their diet and making adjustments where necessary, such as cutting down on starch and sugar as well as implementing healthy sources of fiber and protein, you are promoting a healthy gastrointestinal environment which can help to banish FWS for good!
Click here to purchase this two step system.
Sources:
Ellen Kienzle a, et al. “Field Study on Risk Factors for Free Fecal Water in Pleasure Horses.” Journal of Equine Veterinary Science, W.B. Saunders, 7 May 2016, www.sciencedirect.com/science/article/abs/pii/S0737080616302210.
“Free Fecal Water Syndrome in Horses - Digestive System.” Merck Veterinary Manual, www.merckvetmanual.com/digestive-system/miscellaneous-intestinal-diseases-in-horses/free-fecal-water-syndrome-in-horses. Accessed 1 Mar. 2025.
Lindroth, K.M. et al. Feeding and management of horses with and without free faecal liquid – a case-control study. Animals (Basel). 2021.
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