Last updated: September 17, 2026
If you’ve spent enough time around horses, you’ve probably heard somebody swear by beet pulp for a hard keeper, a senior horse, or a horse with manure issues. The truth is, beet pulp can be a useful feed tool, but it isn’t the cure-all it’s sometimes made out to be. Before you soak that first bucket, it helps to understand what it actually does, where it fits in the ration, and where barn advice gets ahead of the facts.
Is beet pulp good for horses? It can be. Plain beet pulp is a highly digestible fiber source with relatively low sugar and starch compared with many grain feeds. It can be useful for hard keepers, seniors with dental trouble, and horses that benefit from a wetter feed, and it is one of several diet changes owners try for free fecal water—though research shows it doesn’t work for every horse.
The main cautions: it’s low in protein and has a skewed calcium-to-phosphorus ratio, so it isn’t a complete ration on its own, and you’ll want to check the specific product’s label if sugar, starch, or potassium matter for your horse.
Below, I’ll cover what beet pulp actually is, what I’ve seen it do (and not do) in real feeding programs, where it genuinely helps, what the research says about it and free fecal water specifically, and how to soak and feed it safely.
Table of Contents
What Is Beet Pulp?
Sugar beets are grown mainly to extract sugar, and beet pulp is what’s left over once that sugar is removed – the fibrous root material, not the sugar itself. It comes dried, either as shreds or pellets, and most owners soak it before feeding.
Despite being a by-product, it’s genuinely useful feed: high in digestible fiber, calorie-dense, and lower in sugar and starch than grain. Some beet pulp has molasses added back in (molassed), while other batches don’t (plain or unmolassed) – check the bag if sugar content matters for your horse.
How I’ve Seen Beet Pulp Used
In my experience, beet pulp is most useful when you think of it as a feed tool, not a magic ingredient. I’ve seen owners add it expecting a horse to gain weight overnight or a manure problem to disappear in a week, and then get frustrated when neither happens right away. Sometimes beet pulp is genuinely the right piece of the puzzle. Sometimes the bigger issue is forage quality, teeth, ulcers, stress, or the ration as a whole, and beet pulp alone won’t fix any of those.
What I’ve found beet pulp actually does well is give you a low-starch way to add calories and water to a horse that needs either one. Where it disappoints people is when it’s used as a substitute for figuring out what’s actually going on with the horse.
Should You Feed Beet Pulp?
Here’s a quick gut check before you go further. None of these are absolute rules – your horse’s full picture and your vet’s input still matter more than any table.
| Situation | Worth Considering? |
|---|---|
| Hard keeper losing or struggling to hold weight | Often yes |
| Senior horse with poor teeth | Often yes |
| Horse that needs lower-starch calories | Sometimes – check the specific product’s label |
| Horse with free fecal water | Maybe, but investigate the underlying cause first |
| Easy keeper that’s already holding or gaining too much weight | Usually not the first choice |
Beet Pulp and Free Fecal Water
Free fecal water (also called free fecal water syndrome, FFWS, or free fecal liquid) isn’t the same thing as diarrhea. A horse with FFWS usually passes formed manure but also passes a separate stream or puddle of liquid before, during, or after defecating. The horse may otherwise seem bright and normal, but the constant mess can irritate the skin, make cleanup miserable, and leave an owner wondering what changed.
The frustrating part is that there isn’t one confirmed cause or one dependable fix. Researchers have looked at forage, diet, management, dental condition, stress, and gut microbes, but FFWS seems to have more than one possible trigger. A 2021 case-control study found that differences in feeding and management were associated with free fecal liquid, and some owners reported improvement after changing forage type or forage preservation method – which suggests the forage itself may matter more than any single supplement added on top of it.
Beet pulp is one change owners commonly try because it adds fermentable fiber and water to the ration, alongside things like psyllium, pre- and probiotics, and bentonite clay. None of these have strong evidence behind them as an established treatment – responses are inconsistent from horse to horse, and what helps one horse may do nothing for another.
Talk to your vet first. Persistent loose manure or fecal water warrants attention, since it can sometimes point to parasites, colitis, sand ingestion, or another underlying problem that needs an actual diagnosis, not a feed-bucket guess. Rule those out before assuming it’s FFWS and reaching for beet pulp as the fix.
If your vet is on board with trying a dietary change, change one major thing at a time, introduce it gradually, and keep notes on manure, body condition, forage, turnout, medications, and anything else that changed around the same time. That’s the only way to know what actually helped instead of guessing after the fact.
Benefits of Feeding Beet Pulp
A Highly Digestible Fiber Source
Beet pulp contains highly digestible fiber that is fermented in the hindgut, providing usable calories without relying on a large starch load. That makes it a practical option for hard keepers, horses in moderate work, and horses recovering condition when the rest of the ration is balanced appropriately.
Useful for Weight Gain and Maintenance
If you’re trying to help a lean horse gain weight, beet pulp’s calorie density lets you add energy without leaning entirely on grain. It works the other direction too – for horses in hard work that need to hold their weight, it’s a way to add calories that doesn’t come with the behavioral downsides some horses show on a lot of grain.
A Way to Add Water to the Diet
Soaked beet pulp holds a lot of water, which makes it a practical way to get extra moisture into a horse that doesn’t drink much – useful in winter, when horses are often reluctant to drink cold water, or any time you’re managing a horse prone to dehydration.
A Lower-Starch Option, With a Label Check
Plain, unmolassed beet pulp is generally lower in sugar and starch than most traditional grain mixes, which is why it often comes up when owners are trying to add calories without adding much starch. But “beet pulp” isn’t one uniform product. Molassed products and different manufacturers can vary, so use the specific product’s NSC information if your horse has insulin dysregulation, EMS, PPID, or a history of laminitis.
The same rule applies to HYPP: don’t choose a feed on reputation alone. Have your veterinarian or an equine nutritionist evaluate total potassium intake from hay, pasture, feed, and supplements before making beet pulp part of a HYPP horse’s regular ration.
Easier to Chew and Less Dusty
Soaked beet pulp is soft, which makes it a good option for senior horses or those with dental issues who struggle with long-stem hay. It also binds dust in a feed mix, and its texture tempts some picky eaters that turn their nose up at plain grain or pellets.
Downsides and Risks
It Needs to Fit a Balanced Ration
Beet pulp is high in calcium and very low in phosphorus, so its calcium-to-phosphorus ratio is often around 10:1. That doesn’t make beet pulp a bad feed, but it does mean you need to look at the whole ration rather than judging one ingredient by itself.
That balancing act matters most when beet pulp makes up a large share of the diet, and for growing horses, where mineral balance is especially important for normal bone development. If you’re feeding more than a modest amount, use the feed tag and your hay analysis when available, then ask your veterinarian or an equine nutritionist whether the total ration needs a phosphorus source or other adjustment.
Not a Protein or Vitamin-Mineral Balancer
Plain beet pulp is usually modest in crude protein, often around 8% to 10%, and it isn’t designed to supply a horse’s full vitamin, mineral, or amino-acid needs. Think of it mainly as a digestible-fiber and calorie ingredient, not a complete feed.
A horse can still do very well with beet pulp in the ration if the hay or pasture, concentrate, ration balancer, and any needed supplements cover the whole diet. Growing horses, broodmares, and hard-working horses are the groups where I’d be most careful about assuming extra calories also mean adequate quality protein.
Choke, Soaking, and Spoilage
Beet pulp doesn’t automatically cause choke when fed dry, and research hasn’t shown it’s inherently more dangerous than other dry feeds. Still, I prefer to soak it for horses that bolt their feed, have poor teeth, have choked before, or are getting a fairly large amount in one meal. A soaked mash is also an easy way to add water to the diet.
Once beet pulp is wet, treat it like any other damp feed. In Louisiana heat especially, it can sour or ferment if it sits too long. Feed it while it smells fresh and discard it if it smells sour, vinegary, fermented, or otherwise off – if you open the bucket and it smells like something you wouldn’t want sitting in your own kitchen, don’t feed it. A horse may eat spoiled feed, but that doesn’t mean it belongs in the bucket. Keep the dry product sealed and stored in a cool, dry place, and don’t feed material that’s moldy or water-damaged.
Nutritional Value of Beet Pulp
Use this as a general reference only. Values vary by brand, whether the pulp is molassed, and dry matter basis – your bag’s guaranteed analysis, and NSC testing when it matters, are the numbers to actually rely on for your horse.
| Nutrient | Typical Value | What It Means |
|---|---|---|
| Crude protein | 8% to 10% | Adds calories, but it isn’t a protein supplement |
| Crude fiber (NDF) | 35% to 44% | The main reason most owners feed it |
| Digestible energy | 2.0 to 2.9 Mcal/kg | Solid calorie density for a fiber feed |
| Calcium | 0.8% to 1.2% | High – part of why the ratio below runs skewed |
| Phosphorus | About 0.1% | Low – balance with the rest of the ration |
| Calcium-to-phosphorus ratio | About 10:1 | Matters most for growing horses and large portions |
| Non-structural carbohydrates | Under 12% (varies by batch) | Generally lower than grain, but test if it matters for your horse |
Research on beet pulp’s effect on the hindgut microbiome is still limited. A 2023 study replacing part of the hay ration with sugar beet pulp in healthy adult horses found some shifts in specific microbial populations, but no significant change in overall microbial diversity – useful groundwork, not proof of a specific health benefit.
How to Soak and Feed Beet Pulp
Start with the directions on your particular bag, because shredded beet pulp, pellets, and different brands do not all hydrate at the same rate. A practical starting point is roughly two to four parts water to one part dry beet pulp. Shreds usually soften fairly quickly, while pellets can take longer—especially in cold water. Before feeding, make sure the product has absorbed the water and softened to the consistency your horse will eat comfortably. The Horse has a helpful overview of soaking beet pulp if you want to see how soaking time and water amount can vary by product.
Start small and measure beet pulp dry, before soaking, because a little dry pulp turns into a much bigger wet mash. For a full-sized horse, a modest starting amount might be a few handfuls to about a pound of dry beet pulp per day, depending on the horse and the rest of the ration – increase only if the horse needs it and is doing well on it. Introduce it gradually over a week or two if your horse hasn’t had it before, and mix it with the rest of the feed rather than serving it as a standalone meal.
Miles’ Take: I measure beet pulp dry first, then soak only what I expect the horse to finish at that feeding. In hot weather, I don’t make tomorrow morning’s mash the night before – it’s just not worth the risk of feeding something that’s turned by the time it hits the bucket.
Beet pulp can contribute meaningful digestible fiber and calories, but I wouldn’t use it to replace a large share of long-stem hay or pasture without help balancing the complete diet—it doesn’t provide the same chewing time or behavioral value that hay does. If you’re feeding substantial amounts, managing a metabolic horse, working with a poor-doing senior, or replacing forage because of dental trouble, get your veterinarian or an equine nutritionist involved before you make it a major ration ingredient.
Below is a video on soaking and feeding beet pulp.
FAQs About Beet Pulp for Horses
Does beet pulp help with free fecal water syndrome?
It might, for some horses. Beet pulp is one of several dietary changes owners try for free fecal water, alongside psyllium, probiotics, and forage changes, but evidence for any of these is limited and results are inconsistent from horse to horse. Rule out other causes with your vet before assuming it’s FFWS and trying beet pulp as the fix.
How much protein is in beet pulp?
Beet pulp generally runs 8% to 10% crude protein. It’s a fiber and calorie source, not a significant protein source, so pair it with quality forage or an appropriate concentrate rather than relying on it to meet your horse’s protein needs.
How long should you soak beet pulp?
Most beet pulp is ready in 30 to 40 minutes using a roughly 3-to-1 or 4-to-1 water-to-pulp ratio. Shredded beet pulp absorbs faster than pellets, and warm water speeds up the process. Check it before feeding – it should smell neutral, not sour.
Is shredded or pelleted beet pulp better for horses?
Neither form is automatically better nutritionally if they’re comparable plain beet-pulp products. Shreds usually soak faster, while pellets are often easier to store and measure. Follow the manufacturer’s directions, make sure pellets are fully softened if you’re soaking them, and choose the form your horse eats safely and consistently.
Can beet pulp replace hay?
Beet pulp can replace part of the forage in some carefully balanced diets, but it usually should not replace all of a horse’s long-stem hay or pasture. It does not provide the same chewing time, feeding behavior, or long-stem fiber as hay. Most owners use beet pulp as an addition to forage; if you need to replace a meaningful amount of hay because of dental trouble, poor condition, or hay availability, have a veterinarian or equine nutritionist balance the whole ration.
Do you have to feed grain if you feed beet pulp?
No. Beet pulp doesn’t require you to feed grain, and many horses can get the calories they need from forage plus beet pulp or another fiber-based feed. The real question is whether the complete ration supplies enough energy, quality protein, vitamins, minerals, and appropriate forage, not whether it contains grain. Horses in heavier work may need more calories, but the best source depends on the individual horse and the ration as a whole.
Beet pulp is a genuinely useful feed for the right horse – a hard keeper, a senior with dental trouble, or one that benefits from a softer, wetter feed – but it isn’t a cure-all, and the free fecal water question in particular doesn’t have a guaranteed answer yet. Soak it with a little common sense, balance it against the rest of the diet, and loop your vet in for anything beyond routine feeding.
About Miles Henry
Racehorse Owner & Author | 30+ Years in Thoroughbred Racing
Miles Henry (legal name: William Bradley) is a professional horseman based in Folsom, Louisiana. He holds Louisiana Racing License #67012 and has spent over three decades managing Thoroughbreds at premier tracks including Fair Grounds, Delta Downs, and Evangeline Downs.
Expertise & Hands-On Experience: Beyond the track, Miles has decades of experience in specialized equine care, covering everything from hoof health and nutrition to training protocols for Quarter Horses, Friesians, and Paints. Every guide on Horse Racing Sense is rooted in this “boots-on-the-ground” perspective.
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