Best Hay for Senior Horses: What Should You Look For?

Written by:

Dr. Tania Cubitt, PhD – Equine Nutritionist

Dr. Stephen Duren, PhD – Equine Nutritionist

By Performance Horse Nutrition for Blue Mountain Hay

Senior horses don’t all need special hay, but their ability to chew, digest, and maintain body condition often changes with age. The best forage for an older horse depends on dental health, calorie needs, metabolic status, and how well the horse can physically consume longstem hay. This article from Performance Horse Nutrition for Blue Mountain Hay explains how to evaluate forage for senior horses, when to adjust hay type or form, and how to support older horses with the right fiber sources.

Key Takeaways

• Not all senior horses need different hay — many can stay on their usual forage if they chew well and maintain weight.
• Dental health is the #1 factor determining whether a senior horse can eat longstem hay.
• Soft, leafy, digestible forage is ideal for older horses that can still chew hay effectively.
• Grass hay and alfalfa both have roles depending on calorie needs, protein needs, and metabolic status.
• Chopped forage, cubes, and pellets become essential when chewing longstem hay becomes difficult.
• Weight loss in seniors is not “just old age” — it often indicates forage intake or quality issues.
• Forage testing helps determine calories, protein, and NSC levels for metabolic seniors.
• The best hay is the forage the horse can chew, digest, and maintain body condition on.

Best Hay for Senior Horses: What Should You Look For?

As horses age, their nutritional needs can change—but that doesn't mean every horse needs a completely different diet the moment they earn the label "senior."

In fact, many older horses with healthy teeth, good body condition, and no underlying health problems can continue eating the same type of forage that has worked well for them for years. The key is recognizing when that begins to change.

When selecting forage for a senior horse, some of the most important questions are:

• Can the horse chew it effectively?
• Is the forage digestible?
• Is the horse maintaining body condition?
• Is the forage providing enough calories and quality protein?
• Does the horse have metabolic or other health concerns?

The best hay for a senior horse is ultimately the forage that meets those needs.

Start With Teeth

One of the biggest nutritional challenges facing senior horses isn't necessarily digestion—it's chewing.

Years of wear can leave older horses with missing teeth, uneven chewing surfaces, or reduced ability to grind long-stem forage effectively.

One of the classic warning signs is quidding, when a horse drops partially chewed balls of hay from its mouth. You may also notice longer pieces of forage in the manure, slower eating, weight loss, or increasing amounts of wasted hay.

A horse may have hay available all day, but if he can't chew it effectively, the amount hanging in the hay net isn't the same as the amount he's actually consuming.

Look for Soft, Leafy, Digestible Forage

For senior horses that can still chew long-stem hay effectively, quality becomes especially important.

Very mature, coarse, stemmy hay is generally less digestible and requires more chewing. A softer, leafier forage harvested at an appropriate stage of maturity is usually a better choice for an older horse.

Good senior forage should be:

Soft and palatable. Older horses need to want to eat it and be able to chew it comfortably.

Highly digestible. As horses become harder keepers, every mouthful becomes more important.

Clean and consistent. Hay should be free from mold, excessive dust, weeds, and foreign material.

Appropriate in calories. A thin senior and an overweight insulin-resistant senior may require very different forage, even if they're the same age.

There isn't one species of hay that is automatically "best" for every senior horse.

Grass Hay or Alfalfa?

Both can have a place in a senior horse's diet.

A good-quality, soft grass hay can work very well for an older horse maintaining appropriate body condition. Orchard grass and timothy are common choices, but maturity and quality can be more important than simply choosing one grass species over another.

Alfalfa can be particularly useful for seniors that need additional calories and high-quality protein. It is generally more calorie- and protein-dense than grass hay and can help support horses struggling to maintain weight or muscle.

A grass-alfalfa combination can also work extremely well, providing some of the nutritional advantages of alfalfa while maintaining grass forage as part of the diet.

The decision should be based on the individual horse and the complete ration—not the horse's age alone.

When Long-Stem Hay Becomes Difficult

Eventually, some senior horses reach a point where traditional hay is no longer the most effective way to provide their forage.

That's when alternative forage forms become extremely valuable.

Chopped forage can reduce the amount of chewing required while still providing meaningful fiber length.

Hay cubes provide another concentrated forage source and can be soaked to make them much easier for horses with compromised dentition to consume.

Hay pellets can also be soaked into a soft mash and are useful for horses that can no longer adequately process long-stem forage.

For horses with significant dental limitations, these products may need to replace a substantial portion—or even all—of the traditional hay in the diet.

The goal doesn't change simply because the form of the forage changes: we still want forage to remain the foundation of the diet.

Don't Assume Weight Loss Is "Just Old Age"

One of the most common mistakes with senior horses is accepting gradual weight or topline loss as an inevitable part of aging.

It deserves investigation.

Dental problems, reduced forage intake, poor forage quality, inadequate calories or protein, parasites, metabolic disease, and other health conditions can all contribute to weight loss.

Before simply adding more grain, look closely at the forage.

How much is being offered?

More importantly, how much is the horse actually eating?

Is the horse sorting through it?

Is hay being dropped while chewing?

Is the forage too coarse?

Would a softer or more digestible forage allow the horse to consume more calories?

Sometimes improving the forage program can make a substantial difference without dramatically increasing concentrate intake.

Senior Doesn't Always Mean Skinny

It's equally important to remember that not every senior horse needs more calories.

Many older horses remain easy keepers, and some develop metabolic conditions that make controlling dietary sugar and starch particularly important.

For these horses, the "best" hay may be a lower-calorie grass forage with an appropriate nonstructural carbohydrate (NSC) level.

This is where forage testing becomes extremely valuable.

You can't reliably determine sugar, protein, mineral content, or calorie value simply by looking at hay. A forage analysis allows the rest of the diet to be built around what that forage actually provides.

Feed the Horse in Front of You

There is no single perfect hay for every senior horse.

A healthy 18-year-old performance horse with excellent teeth may thrive on the same high-quality forage as a younger horse. A 25-year-old with worn molars may need soft chopped forage or soaked pellets. A thin senior may benefit from higher-calorie alfalfa, while an overweight metabolic senior may require a carefully selected lower-NSC grass forage.

Age is only one piece of the equation.

The best forage for a senior horse is one that is clean, palatable, digestible, nutritionally appropriate, and—most importantly—something the horse can actually chew and consume effectively.

Because even as the horse gets older, the foundation of good nutrition remains the same:

Start with the forage.

FAQ Section

What is the best hay for senior horses? The hay the horse can chew, digest, and maintain body condition on — not a specific species.

Do all senior horses need alfalfa? No. Alfalfa is helpful for thin seniors needing calories and protein, but not ideal for overweight or metabolic horses.

How do I know if my senior horse can’t chew hay well? Look for quidding, long fibers in manure, slow eating, weight loss, or wasted hay.

Are hay pellets or cubes good for older horses? Yes — especially when soaked. They are excellent alternatives for horses with dental issues.

Should I test hay for senior horses? Yes. Forage testing helps determine calories, protein, and NSC levels, especially for metabolic seniors.

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