Takeaways You'll Get

    • All horses need pre- and probiotics. Feed changes, antibiotics, travel, disease, analgesics, anesthesia—even stress—are unavoidable in the domesticated animal and can overload and capsize the boat that is your horse’s gut microbiome. 

    • It’s crucial to predict and prevent microbiome imbalance … don’t wait for the system to break. 

    • Give the horse keys to unlock the nutrients in his diet in the form of correct prebiotics, and probiotics that will arrive safely to the hindgut.

    What prompts you to reach for a probiotic? A prescription for a course of antibiotics? A bout of a stomach virus? To restore balance, many of us know when our own gastrointestinal (GI) tract is out of whack, we must visit the yogurt aisle in the grocery store or, for high powered help, the probiotic shelf in the health foods store. 

    We need to consider the same for our horses, but for an additional reason; they are nonruminant herbivores, or hindgut fermenters, and, so, they rely on their gut microbial populations to digest forage—the primary component of their diet. 

    But the thing is with horses, as with our own bodies, it’s not just a round of antibiotics that throws off GI equilibrium, capsizing and sinking the proverbial ship. Many things do, so imbalances are something we should be considering all the time.

    Here’s why: Veterinarians now know that the microbiome—the ecosystem of microbes living in the digestive tract—of today’s horse is different from what we find in nature.

    How we manage horses, and how their guts have adapted to domestication, is one of the reasons we sometimes see digestive issues such as colic, diarrhea, and sour gut in our horses. 

    “We all manage our horses’ health closely, doing our best to prevent things before they happen,” says Dr. Keith Latson, an equine surgeon and co-founder of FullBucket, a veterinary-strength supplement business based in Weatherford, Texas, “Oftentimes, though, small things, like insults to the microbiome, don't become apparent until there's a fire to fight.

    “Here’s where we have to change the approach,” says Dr. Rob Franklin, an equine internal medicine specialist and co-Founder of FullBucket. “Disease—even in other body systems—is a downstream effect from problems related to the microbiome. Where can we find opportunities to prevent those fires rather than fighting them?”

    What basic things can disrupt gut balance that I may not know about?

    Potential Icebergs

    Indeed, antibiotics and other drugs are big contributors to microbiome imbalance. “We know that the impact of giving a course of antibiotics can last for 30 days before a normal microflora can expand back to what it was … antibiotics disrupt gut balance that much,” says Latson. “We know that pain relievers, anti-inflammatories also disrupt the microbiome.”

    Other disruptors include:

    • Feed changes

    • Stress

    • Travel

    • Disease

    • Anesthesia

    Horses’ microbiomes “get disrupted by these most basic things, and sometimes you see a result of the imbalance, sometimes you don’t,” says Franklin. “But if you know the causes of microbiome disruptions, why not take a proactive stance to stabilize that microbiome in anticipation of the horse’s need for  surgery or anesthesia, a course of antibiotics, treatment with (the non-steroidal anti-inflammatory drugs) Bute, Previcox, Equioxx? Whatever situation the animal is in, if we know what stresses the microbiome—which we do now—let’s stabilize it.”

    Don't wait for the system to break

    Back in biology class, we learned about taxonomy of organisms, tapering categories from domain, kingdom, phylum, class, order, family, and genus, to species.

    We can apply that basic knowledge to understand what’s going on in our horses’ guts. Franklin explains that just two phyla represent nine-tenths of the bacterial load in the normal domesticated horse’s intestinal tract that we currently know of. 

    But research is showing that there’s another baseline normal seen in nature we should strive for. “These are the things that horses for eons have been set with, certain phyla of bacteria, and they really work well,” he says. “They help digest fiber and cellulose (the tough part of plants). The microorganisms are very beneficial to the animal, so whenever horses are put into unusual situations with risks of antibiotics, feed changes, stress, travel, disease, even pain relievers,” they are equipped to withstand them.

    Our horses don’t have the microbial richness that their wild ancestors do, so we aim to achieve microbial diversity with the addition of prebiotics/probiotics to their diet. When managing our horses—or even handling our own health—we tend to think of supplementing in terms of deficiencies and excesses.

    But each of us, whether human or horse, is different: our age, where we live, what we eat, what chronic medications are being administered and countless other environmental factors. 

    “It’s not a one-size-fits-all microbiome we’re talking about. And, it is not a ‘You’re low in this and you need to add that’ situation” says Franklin. “When we look at your microbiome, if your levels are ‘off,’ the lowness is not necessarily a deficiency in (one microbial species), it may be an expansion of something else.”

    What the heck do I do now?

    So, how do you stabilize your horse’s microbiome, correcting overgrowths and expansions of the wrong bug?

    After all, this is happening at a microscopic level. It’s not like we can see what’s going on in there, though we can see the effects of it in unthriftiness, GI disturbances, manure inconsistencies, coat problems, and more.

    Essentially, you can be meeting a horse’s nutritional needs, but he needs certain keys to unlock those nutrients—otherwise the components, at best, do no good or, at worst, cause harm. 

    First, you need to enable the right bugs to survive and thrive. Prebiotics are substrates that help harmonize the digestive tract—they’re the veritable buffet for healthy bacteria.

    horse gut microbiome digestive system

    “We add all these different hand-selected prebiotics that allow gut microbial populations to thrive, promoting their ability to digest and help the horse get energy from forage,” says Franklin. “Scientific studies show that if you feed prebiotics, horses digest their hay better.” 

    They also need probiotics, which are live microbes that help improve digestion and nutrient availability. Probiotics help eliminate bad bacteria, stimulate the immune system, produce enzymes that break down harmful toxins, and stabilize the gut ecosystem.

    Because probiotics are live organisms, they need to be protected from heat and moisture and the acidic environment of the horse’s GI tract up until the point where they get activated and go to work.

    “People say, ‘I’ll just get a probiotic,’ there’s a lot more to it than that,” says Franklin. At Fullbucket “we put the right amount (concentration), we use the right type, the right strains of probiotics, and protect them with microencapsulation (from environmental heat and moisture and stomach acidity). Every horse that’s domesticated needs to be on prebiotics and probiotics.” 

    The horse also needs enzymes for breaking down starch into components the small intestine can absorb to create energy for the muscles to use to perform.

    Undigested starch spilling over into the hindgut is another cause of hindgut microbiome imbalance, and we need to prevent that from happening.  

    “The more that we press our horses, I think that’s where you have to get more intensive with protecting that gut and that microbiome,” says Franklin.

    “In our experience, the horse that gets pressed the hardest is typically the young athlete, whether it’s a barrel horse, a Thoroughbred racehorse, Quarter Horse racehorse, could be a dressage horse—those horses are getting very intensive athletic training, and typically their diets are there to support them, but their ability to eat and subsist off of just pasture is not adequate. We have to feed these horses concentrate to meet their energy requirements.”

    Balance the Boat

    Veterinarians and nutrition researchers are amassing data showing how pre- and probiotics, enzymes, and preventative measures contribute to certain microbiome profiles.

    Franklin explains this will help veterinarians and horse owners know, for example, how to help horses with the potential to develop metabolic syndrome and insulin resistance avoid these conditions altogether.

    While that kind of specificity in preventing problems is a few years away, we can make shifts in how we manage our horses now to help balance the vessel, so to speak, and prevent it from capsizing when it hits rough water.

    Robo Hendrickson, FullBucket’s third co-founder and director of marketing, likens it to how we manage our own health. “I take a probiotic, so does my entire family, we supplement to have a better digestive system, but we horse owners are not doing the same for our horses,” he says.

    “Horses are dealing with digestive issues on a constant basis. Weather change, breeding, simple things like stall change, social interactions, getting pulled away from one horse that they’ve been with for a long time. Those all affect the digestive system.”

    But we have tools, in the form of correct pre- and probiotics to right the ship. 

    “It’s like we’ve all of a sudden been handed this map,” says Franklin. “The lens has been cleared, the map has been handed over, and onward we go. It is so exciting.”

    How to help stabilize the Microbiome with FullBucket

    FullBucket Probiotic Pellets have 50 billion CFUs per serving of the most intensively researched probiotic strain on the market, combating pathogens (bad microbes) in the hind-gut and supporting and improving optimal digestion and gut health.  From the performance horse under stress, to the mare getting ready to foal this year, to older horses having trouble with weight or loose stool this will help you prevent a microbiome imbalance and keep your horse performance ready.  

    FullBucket Equine Probiotic Pellets

    If you are needing a heavy duty probiotic, our Equine Probiotic Paste was developed by veterinarians to attack pathogens, eliminate symptoms, and rebuild and protect the microbiome in their patients. With a 100 Billion CFUs per serving, this paste is 2,000% stronger than the competition. This probiotic was formulated for horses undergoing intensive treatment with antibiotics or those with extensive gastrointestinal disturbances (diarrhea, colic, etc.).  

    How to help optimize your Athlete’s Microbiome with FullBucket

    When we ask for maximum performance from our equine athletes, we need to take charge of protecting their gut and microbiome to prevent it from being overloaded with undigested feed that leads to ulcers, diarrhea and that all too common ‘sour’ gut feel that puts them off their feed and behind in their training.

    Between travel and competition your horse will need help optimizing their entire digestive system so that they can extract more nutrients from your current feed program, increasing nutrient absorption and digestion from 20% - 80%.  It helps improve energy, strength & stamina with only essential ingredients that have been proven to improve the performance of your horse.

    Formulated by expert nutritionists, our Athletic Formula not only provides the wide-ranging benefits of FullBucket probiotic supplements, but also fills the gaps of typical performance horse diets to prevent common nutrient deficiencies, optimize nutrient digestion, and support peak performance. 



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