Why Some Horses Gain Weight Easily

Many horse owners feel frustrated when their horses gain weight despite seemingly modest feeding programs.

Meanwhile, other horses consume large amounts of feed while remaining lean.

These differences are not always the result of owner mistakes. Genetics, metabolism, activity level, and forage management all influence how efficiently horses maintain body condition.

Understanding why some horses are “easy keepers” can help owners make more informed nutritional decisions.

What Is an Easy Keeper?

An easy keeper is a horse that maintains or gains weight with relatively few calories.

Common easy keepers include:

• ponies,

• draft breeds,

• easy-keeping stock horses,

• and many lightly worked recreational horses.

These animals evolved to survive periods of limited forage availability.

Modern feeding conditions, however, often provide far more calories than these horses actually require.

Hay Still Contains Significant Calories

Owners sometimes focus heavily on grain while overlooking calories coming from forage.

Hay provides:

• digestible energy,

• sugars,

• fiber,

• and protein.

Some premium, highly digestible forage may contain more calories than owners realize.

This does not make quality hay “bad.”

It simply means forage should match the individual horse’s nutritional needs.

Metabolism Influences Weight Gain

Some horses utilize calories very efficiently.

Others naturally burn more energy through:

• movement,

• temperament,

• muscle metabolism,

• or workload.

Easy keepers may maintain weight on surprisingly modest calorie intake.

For these horses, even small feeding excesses can gradually contribute to:

• obesity,

• regional fat deposits,

• or metabolic stress.

Activity Levels Matter

Many modern horses live relatively sedentary lifestyles compared to horses performing regular work.

Limited exercise means fewer calories are burned each day.

When calorie intake exceeds energy expenditure over time, gradual weight gain occurs.

Even horses receiving no grain may gain excess condition if forage intake exceeds their actual needs.

Forage Consistency Influences Management

Changing hay frequently can make body condition management more difficult.

Differences in:

• digestibility,

• calorie density,

• sugar levels,

• and palatability

may influence how efficiently horses maintain weight.

Consistent forage allows owners to make more predictable nutritional adjustments.

Portion Size Is Often Underestimated

Many owners estimate hay portions visually.

However, two flakes may differ dramatically in weight depending on bale density.

Weighing forage often provides a much clearer picture of actual intake.

Small adjustments can sometimes create meaningful improvements over time.

Restricting Hay Too Severely Can Backfire

Some owners respond to weight gain by aggressively limiting forage.

Unfortunately, this may increase:

• stress,

• boredom,

• digestive discomfort,

• and undesirable feeding behaviors.

Horses are naturally designed for regular forage consumption.

The goal is usually selecting more appropriate forage and managing intake thoughtfully rather than eliminating fiber.

Body Condition Should Be Monitored Regularly

Weight gain often occurs gradually.

Helpful practices include:

• body condition scoring,

• regular photographs,

• neck crest evaluation,

• and observing fat deposits.

Early adjustments are generally easier than correcting severe obesity later.

Individualized Feeding Creates Better Results

No single feeding strategy works for every easy keeper.

Some horses benefit from:

• lower-calorie grass hay,

• controlled portions,

• slow feeders,

• increased exercise,

• or stricter NSC management.

Thoughtful forage selection and consistent feeding routines often provide the best long-term results.

Healthy weight management is rarely about dramatic restriction.

It is usually about steady, sustainable nutritional balance.

FAQ

Why do some horses gain weight so easily?

Genetics, metabolism, activity level, and feeding management all influence weight gain efficiency.

Can hay alone make horses overweight?

Yes. Hay still provides calories and energy.

Should easy keepers receive less hay?

Calorie intake often requires management, but horses still need adequate fiber.

Why is forage consistency important?

Consistent hay makes body condition and calorie management more predictable.

Weight Control Through Forage Management

For many animal owners, weight management can feel surprisingly difficult.

Some horses and livestock gain weight easily despite modest feeding programs, while others struggle to maintain condition even with careful nutritional support.

Because forage represents the largest portion of most herbivores’ diets, hay selection often plays a central role in long-term body condition management.

Understanding how forage influences calories, digestibility, and feeding behavior can help owners make more informed decisions.

Hay Is More Than Just Fiber

Many owners think of hay primarily as roughage.

However, forage also provides:

• calories,

• digestible nutrients,

• protein,

• and natural sugars.

Different hays vary dramatically in nutritional value depending on:

• species,

• maturity,

• harvest timing,

• weather,

• and storage conditions.

This means two bales may appear similar while affecting body condition very differently.

Easy Keepers Require Careful Management

Easy keepers are animals that maintain or gain weight efficiently.

This commonly includes:

• horses,

• miniature livestock,

• ponies,

• goats,

• and some camelids.

For these animals, forage management often focuses on:

• moderate calorie intake,

• consistent feeding routines,

• and preventing excessive weight gain.

Overconditioning may contribute to:

• metabolic stress,

• reduced mobility,

• and increased health risks.

Hard Keepers Need Digestible Calories

Not all animals struggle with excess weight.

Senior animals, performance horses, lactating animals, and certain breeds may have difficulty maintaining condition.

For these animals, owners often prioritize forage that is:

• more digestible,

• softer,

• highly palatable,

• and energy supportive.

Leafier hay with good digestibility may help improve calorie intake without requiring excessive concentrates.

Portion Control Matters

Even appropriate hay can create problems if fed inconsistently.

Many owners estimate hay portions visually, but flake size and bale density vary considerably.

Weighing hay often provides:

• greater consistency,

• more accurate calorie management,

• and easier feeding adjustments.

Small changes over time are usually more effective than dramatic restrictions.

Forage Consistency Reduces Guesswork

Frequent forage changes can complicate body condition management.

Differences in:

• calorie density,

• digestibility,

• and palatability

may influence intake and weight trends.

Consistent hay quality helps owners evaluate feeding programs more accurately.

This is especially important for:

• metabolic horses,

• senior animals,

• and picky eaters.

Slow Feeding Can Help

Many owners use slow feeders to:

• extend feeding time,

• reduce boredom,

• and moderate intake speed.

This can help mimic more natural grazing behavior while still supporting controlled forage consumption.

Slow feeding may also help reduce hay waste in some situations.

Digestive Health Should Not Be Ignored

Restricting forage too aggressively can create digestive and behavioral problems.

Animals designed for regular forage intake may experience:

• stress,

• ulcer risk,

• boredom,

• or abnormal feeding behavior

when forage becomes too limited.

The goal is not simply feeding less.

The goal is balancing healthy fiber intake with appropriate calorie management.

Matching Hay to the Individual Animal

No single forage works ideally for every animal.

Factors influencing forage selection include:

• age,

• metabolism,

• workload,

• digestive sensitivity,

• and body condition goals.

Thoughtful forage management supports:

• stable weight,

• digestive comfort,

• feeding consistency,

• and overall long-term health.

The most successful feeding programs are usually the most individualized.

FAQ

Can hay alone cause weight gain?

Yes. Hay still contains calories, and some animals gain weight very efficiently.

Why should hay be weighed?

Bale density and flake size vary significantly.

Is softer hay higher in calories?

Often, but not always. Digestibility and maturity influence energy value.

Can slow feeders help with weight management?

Yes. Slow feeders may help regulate intake speed and extend forage access.

Feeding Horses with Cushing’s Disease

Caring for a horse with Cushing’s disease often requires owners to think more carefully about nutrition, weight management, and overall metabolic health.

Many horses with Cushing’s disease, also known as PPID, continue living active and comfortable lives with thoughtful management. Forage selection frequently becomes one of the most important components of that long-term care.

Because every horse responds differently, individualized feeding programs are essential.

Understanding Cushing’s Disease

Pituitary Pars Intermedia Dysfunction, commonly abbreviated PPID, is a hormonal condition most commonly seen in older horses.

Affected horses may experience:

• changes in metabolism,

• altered body condition,

• muscle loss,

• abnormal hair coats,

• increased drinking and urination,

• and increased laminitis risk.

Not every horse shows identical symptoms.

Some horses primarily struggle with weight management, while others remain relatively stable for years with careful monitoring.

Why Forage Matters

Hay represents the largest portion of most horses’ diets.

For horses with PPID, forage quality can influence:

• calorie intake,

• digestive health,

• metabolic stability,

• and body condition management.

Many owners focus on selecting:

• consistent forage,

• moderate calorie density,

• clean hay,

• and appropriate sugar levels.

Because some horses with PPID are more metabolically sensitive, NSC management may become important.

Understanding NSC

NSC stands for non-structural carbohydrates, which primarily include sugars and starches.

Some horses with PPID also experience insulin dysregulation, making them more sensitive to elevated sugar intake.

This is why owners often seek forage with moderate or lower NSC levels.

However, nutritional needs still vary significantly between horses.

Some horses maintain weight easily and require calorie control.

Others struggle to hold body condition and may require more digestible forage.

Weight Management Challenges

PPID horses can sometimes become difficult to manage nutritionally because they may experience either:

• unwanted weight gain,

• or gradual muscle and condition loss.

This makes individualized feeding especially important.

Owners often benefit from monitoring:

• body condition,

• topline changes,

• appetite,

• and seasonal fluctuations.

Regular evaluation allows feeding programs to adjust gradually rather than react after significant condition changes occur.

Digestibility Matters for Older Horses

Many horses with PPID are seniors.

As horses age, chewing efficiency and digestive function may gradually decline.

Softer, more digestible forage may become helpful for:

• horses with dental wear,

• reduced appetite,

• or difficulty maintaining weight.

At the same time, excessively rich forage may complicate metabolic management in easy keepers.

Balance becomes extremely important.

Consistency Supports Stability

Frequent forage changes can make metabolic management more difficult.

Consistent hay quality allows owners to:

• monitor weight trends more accurately,

• maintain stable feeding routines,

• and reduce digestive disruption.

Gradual transitions are generally preferred whenever forage changes become necessary.

Many horses with PPID benefit from predictable feeding schedules and steady nutritional programs.

Clean Forage Is Important

Respiratory sensitivity and immune challenges may increase as horses age.

Dusty or moldy hay may contribute to:

• coughing,

• respiratory irritation,

• or reduced forage intake.

Clean, properly stored forage supports both palatability and overall health.

Feeding the Individual Horse

No single hay works perfectly for every horse with PPID.

Factors influencing forage selection include:

• insulin sensitivity,

• age,

• body condition,

• dental health,

• workload,

• and digestive function.

Thoughtful forage management helps owners create more stable, sustainable feeding programs over time.

The best feeding plans are rarely the most extreme.

They are usually the most consistent and individualized.

FAQ

What is PPID in horses?

PPID, commonly called Cushing’s disease, is a hormonal disorder most often affecting older horses.

Should horses with PPID eat low-sugar hay?

Some horses with PPID benefit from careful NSC management, especially if insulin dysregulation is present.

Why do older horses need softer hay?

Dental wear and reduced chewing efficiency may make softer forage easier to consume.

Does forage consistency matter for PPID horses?

Yes. Stable feeding programs often make body condition and digestive management easier.

How Stem Maturity Affects Sugar Content

Why does stem size matter?

Stem size influences digestibility, chewing comfort, and palatability.

Can coarse hay cause waste?

Yes. Some animals sort through or refuse overly stemmy forage. When evaluating hay, many owners focus primarily on color or softness. While those characteristics matter, one of the most important factors influencing forage nutrition is plant maturity at harvest.

The stage at which hay is cut can dramatically affect:

• sugar content,

• digestibility,

• texture,

• fiber levels,

• and overall feeding value.

Understanding maturity helps owners make more informed decisions for animals with different nutritional needs.

What Is Forage Maturity?

Forage maturity refers to the stage of plant growth when hay is harvested.

Younger forage is generally:

• leafier,

• softer,

• and more digestible.

More mature forage typically becomes:

• stemmier,

• coarser,

• and higher in structural fiber.

Neither stage is automatically “good” or “bad.”

Different animals may benefit from different forage characteristics depending on:

• age,

• metabolism,

• digestive sensitivity,

• workload,

• and calorie requirements.

Younger Hay Often Contains More Energy

Immature forage tends to contain:

• higher digestibility,

• more available energy,

• softer texture,

• and greater palatability.

This can make it useful for:

• performance horses,

• hard keepers,

• senior animals,

• lactating mares,

• or picky eaters.

However, immature forage may also contain elevated sugar levels under certain growing conditions.

For metabolically sensitive horses, this becomes an important consideration.

Mature Hay Provides More Structural Fiber

As plants mature, fiber content increases and digestibility generally declines.

More mature hay may contain:

• larger stems,

• lower calorie density,

• and more chewing fiber.

For some easy keepers, slightly more mature forage can help support weight management while still allowing regular forage intake.

However, extremely coarse hay may become problematic for:

• senior horses,

• rabbits,

• guinea pigs,

• or animals with dental challenges.

Balance remains important.

Sugar Levels Are Complex

Many owners assume younger hay is always higher in sugar, but the reality is more complicated.

Sugar accumulation depends on many variables, including:

• sunlight,

• temperature,

• moisture,

• plant stress,

• and harvest timing.

Plant maturity is only one factor.

This is why forage testing remains the most accurate way to evaluate NSC levels.

Visual appearance alone cannot reliably determine sugar content.

Texture Influences Consumption

Animals are often highly sensitive to forage texture.

Softer, leafier hay is generally:

• easier to chew,

• more palatable,

• and more comfortable for sensitive animals.

This can be especially important for:

• senior horses,

• rabbits,

• guinea pigs,

• camelids,

• and picky eaters.

Meanwhile, some animals may waste significant amounts of coarse or stemmy forage.

The ideal maturity level often depends on the individual animal’s nutritional goals and feeding behavior.

Matching Forage to the Animal

One of the biggest mistakes owners make is assuming all animals require the same hay.

For example:

• a hard-keeping senior horse may thrive on softer, more digestible forage,

• while an overweight easy keeper may benefit from slightly more moderate-calorie hay.

Likewise:

• rabbits require consistent fiber intake,

• alpacas may prefer softer textures,

• and lactating animals often need more digestible nutrition.

Good forage management involves matching hay characteristics to the specific animal.

Consistency Still Matters

Regardless of maturity level, consistency remains extremely important.

Sudden changes in forage texture or digestibility can create:

• digestive disruption,

• feed refusal,

• or body condition fluctuations.

Reliable forage sourcing helps owners maintain more stable feeding programs over time.

Practical Evaluation Tips

When evaluating hay maturity, owners often look for:

• leaf-to-stem ratio,

• stem thickness,

• softness,

• smell,

• and overall cleanliness.

The best forage is not always the softest or greenest.

The best forage is the hay most appropriate for the individual animal’s needs.

Thoughtful forage selection supports:

• digestive health,

• feeding consistency,

• body condition management,

• and long-term nutritional success.

FAQ

Is softer hay always better?

Not necessarily. Different animals require different forage characteristics.

Does mature hay contain less sugar?

Sometimes, but sugar content varies based on many growing conditions.

Can Hay Sugars Trigger Founder?

For horse owners managing laminitis or founder-prone horses, few questions are more important than understanding the relationship between forage and metabolic health.

Many owners are surprised to learn that hay itself can sometimes contribute to nutritional challenges in susceptible horses.

While forage remains an essential part of the equine diet, the nutritional composition of hay can vary significantly, particularly when it comes to sugar and starch content.

Understanding these differences can help owners make safer, more informed feeding decisions.

What Is Founder?

Founder is commonly used to describe the painful structural damage that may occur following laminitis.

Laminitis involves inflammation and weakening within the sensitive tissues of the hoof.

In some cases, structural support inside the hoof becomes compromised, leading to rotation or sinking of the coffin bone.

Multiple factors can contribute to laminitis, including:

• metabolic disease,

• obesity,

• insulin dysregulation,

• grain overload,

• systemic illness,

• and pasture or forage management.

For many modern horses, especially easy keepers, nutrition plays a major role.

Hay Contains Natural Sugars

All forage contains naturally occurring sugars.

Plants produce sugars during photosynthesis and store energy for growth and survival.

When horses consume hay, they also consume those sugars.

Most healthy horses tolerate normal forage sugars without difficulty.

However, metabolically sensitive horses may struggle to regulate elevated sugar intake efficiently.

This is particularly important for horses with:

• Equine Metabolic Syndrome,

• Cushing’s disease,

• obesity tendencies,

• or previous laminitis history.

Sugar Levels Can Vary Tremendously

One of the biggest misconceptions in horse feeding is assuming all grass hay is nutritionally similar.

In reality, sugar levels may vary dramatically depending on:

• forage species,

• weather,

• sunlight exposure,

• plant maturity,

• harvest timing,

• fertilization,

• and storage conditions.

Two visually similar bales may contain very different nutritional profiles.

This is why forage testing can be extremely valuable for owners managing sensitive horses.

Why Some Horses React More Strongly

Not every horse responds identically to forage sugars.

Some horses tolerate moderate NSC intake easily, while others appear highly sensitive.

Insulin dysregulation is a major factor.

When certain horses consume elevated sugar or starch levels, insulin responses may become exaggerated. Over time, this may increase laminitis risk in susceptible individuals.

This does not mean sugar is automatically dangerous for every horse.

It means that certain horses require more careful nutritional management.

Hay Selection Matters

Owners managing founder-prone horses often focus on:

• moderate to lower NSC forage,

• consistent hay quality,

• clean, dust-free forage,

• and controlled calorie intake.

Grass hays are commonly used because they may provide:

• adequate fiber,

• moderate energy density,

• and consistent digestive support.

However, individual needs vary.

Some horses require stricter nutritional control than others.

Working with veterinarians and knowledgeable forage providers can help owners identify more appropriate feeding strategies.

Portion Control Is Also Important

Even relatively appropriate forage can contribute to weight gain if fed excessively.

Many easy keepers require fewer calories than owners expect.

Helpful management practices often include:

• weighing hay,

• monitoring body condition closely,

• maintaining regular exercise,

• and using slow feeders when appropriate.

The goal is balancing adequate forage intake with healthy body condition.

Restricting forage too aggressively may create additional digestive and behavioral stress.

Consistency Reduces Guesswork

Frequent forage changes can make metabolic management more difficult.

Consistent hay quality allows owners to better monitor:

• body condition,

• energy intake,

• feeding behavior,

• and overall nutritional response.

Many horses benefit from gradual transitions and stable feeding routines.

Predictability often becomes an important part of long-term management success.

Feeding the Individual Horse

There is no single feeding program appropriate for every horse prone to founder.

Age, workload, metabolism, body condition, and medical history all influence nutritional needs.

Thoughtful forage management can play a meaningful role in helping horses maintain comfort and long-term stability.

The focus should always remain on individualized feeding rather than relying on overly simplistic rules.

FAQ

Can hay sugars contribute to laminitis?

In metabolically sensitive horses, elevated sugar intake may increase laminitis risk.

Is all grass hay low in sugar?

No. Sugar levels vary significantly depending on harvest and growing conditions.

Should founder-prone horses avoid hay?

No. Horses still require forage for digestive and behavioral health.

What does NSC mean?

NSC refers to non-structural carbohydrates, including sugars and starches found in forage.

What Low-NSC Hay Really Means

The term “low-NSC hay” has become increasingly common in horse nutrition conversations, especially among owners managing metabolic conditions such as laminitis, Equine Metabolic Syndrome, or Cushing’s disease.

However, many owners are still unsure what NSC actually means and why it matters.

Understanding forage sugars does not require a nutrition degree, but it does require looking beyond general labels like “horse hay” or “premium hay.” Nutritional differences between forage lots can be significant, and those differences may affect certain horses more than others.

What Does NSC Stand For?

NSC stands for non-structural carbohydrates.

In simple terms, NSC refers primarily to sugars and starches contained within forage.

Plants naturally produce sugars through photosynthesis. These sugars help fuel plant growth and energy storage. Horses then consume those sugars when eating hay or pasture.

Many healthy horses tolerate moderate sugar levels without problems. However, metabolically sensitive horses may have difficulty processing elevated sugar intake efficiently.

For some horses, excessive sugar intake may contribute to:

• weight gain,

• insulin dysregulation,

• hoof soreness,

• or increased laminitis risk.

This is why owners often seek hay with lower NSC values.

Why Visual Appearance Is Not Enough

One of the biggest misconceptions in hay selection is assuming appearance tells the entire nutritional story.

A soft, green, leafy bale may look excellent while still testing relatively high in sugars.

Conversely, a slightly more mature hay may contain lower sugar levels while still providing adequate fiber and digestibility.

Weather conditions, cutting timing, sunlight exposure, and plant maturity all influence forage sugar levels.

Without laboratory testing, estimating NSC accurately can be difficult.

This is why hay testing has become increasingly important for owners managing metabolic horses.

What Is Considered “Low” NSC?

There is no universal definition that applies perfectly to every horse.

However, many veterinarians and nutritionists commonly look for hay below certain NSC thresholds when managing metabolic conditions.

Appropriate levels often depend on:

• the horse’s medical history,

• insulin sensitivity,

• body condition,

• workload,

• and overall feeding program.

Some horses require stricter sugar control than others.

Because individual needs vary, forage selection should ideally be part of a broader nutritional management plan.

hay type Matters

Different forage species naturally vary in nutritional characteristics.

Grass hays are often favored for easy keepers because they may provide:

• moderate calorie levels,

• good fiber content,

• and lower energy density than richer feeds.

Common options may include:

• orchardgrass,

• timothy,

• bermudagrass,

• or mixed grass hay.

However, species alone does not guarantee sugar content.

An orchardgrass hay harvested under certain conditions could test higher in NSC than another grass harvested differently.

This reinforces the importance of consistency and testing.

Why Digestive Health Still Matters

Owners sometimes become so focused on reducing sugar that they accidentally select forage that is too coarse, stemmy, or poorly digestible.

Fiber quality still matters tremendously.

Horses require adequate chewing activity and healthy digestive function. Extremely poor-quality forage may create additional issues, especially for:

• senior horses,

• horses with dental problems,

• or hard keepers.

The goal is not simply finding the lowest sugar number possible.

The goal is finding balanced forage appropriate for the individual horse.

Feeding Management Is Also Important

Even excellent hay can become problematic if feeding management is inconsistent.

Helpful practices often include:

• gradual forage transitions,

• consistent feeding schedules,

• controlled portion sizes,

• regular body condition monitoring,

• and appropriate exercise when possible.

Many owners also find slow feeders useful because they help extend forage consumption time while reducing boredom and rapid eating.

Hay Testing Provides Clarity

For owners managing medically sensitive horses, forage testing often provides valuable peace of mind.

Laboratory analysis can reveal:

• NSC levels,

• protein,

• fiber,

• digestibility,

• moisture,

• and mineral information.

This allows owners to make decisions based on measurable nutritional information rather than assumptions.

For horses with previous laminitis episodes, that information can be especially valuable.

Individualized Feeding Matters

No single hay works perfectly for every horse.

Some horses maintain excellent condition on moderate-calorie grass hay, while others may require additional calories or softer forage.

The best feeding programs typically focus on:

• consistency,

• forage quality,

• appropriate calorie balance,

• digestive health,

• and the individual animal’s needs.

Careful forage selection is not about chasing trends.

It is about supporting long-term animal health through thoughtful nutritional management.

FAQ

What is NSC in horse hay?

NSC refers to the sugars and starches contained within forage.

Why do metabolic horses need lower NSC hay?

Some metabolically sensitive horses may struggle to regulate elevated sugar intake effectively.

Can you tell sugar levels by looking at hay?

Not reliably. Laboratory forage testing is the most accurate method.

Is all grass hay low in sugar?

No. Sugar levels vary significantly depending on growing and harvesting conditions.

Understanding the Link Between Hay and Laminitis

Laminitis is one of the most frustrating and emotionally difficult conditions many horse owners will ever manage. Horses that appear healthy one season can suddenly become sore, reluctant to move, or painfully sensitive in their feet. In many cases, owners are left searching for answers about grain, pasture, supplements, and medications while overlooking one of the largest parts of the horse’s daily diet: forage.

For horses prone to founder or laminitis, hay quality matters tremendously.

Not all hay is nutritionally identical. Different forage species, maturity levels, growing conditions, and harvesting practices can create major differences in sugar, starch, digestibility, and calorie levels. Understanding these differences can help owners make more informed feeding decisions and support long-term metabolic stability.

Why Hay Matters So Much

“Group of horses eating hay at the same time” by AndreasKermann via gettyimages.com

Most horses consume forage for the majority of the day. Even horses receiving concentrates or supplements still rely heavily on hay as their primary calorie source.

For metabolically sensitive horses, this becomes especially important because certain hays may contain elevated levels of non-structural carbohydrates, often abbreviated as NSC. NSC includes sugars and starches that can contribute to insulin dysregulation in susceptible horses.

While not every horse reacts the same way, many horses with:

• laminitis,

• Equine Metabolic Syndrome,

• obesity tendencies,

• or Cushing’s disease

benefit from carefully managed forage programs.

This does not necessarily mean horses must eat poor-quality hay. In fact, many horses thrive on premium forage that has been selected specifically for lower sugar content, appropriate maturity, and consistent nutritional characteristics.

Understanding Hay Sugars

Horse owners are often surprised to learn that hay can vary tremendously in sugar levels.

Factors influencing hay sugars include:

• forage species,

• weather conditions,

• sunlight exposure,

• plant maturity,

• fertilization,

• cutting schedules,

• and storage conditions.

For example, immature grasses harvested during periods of intense sunlight may contain higher sugar concentrations than more mature forage harvested under different conditions.

This is why visual appearance alone cannot always determine whether a hay is appropriate for a metabolic horse.

Soft, green, leafy hay may look ideal but still contain elevated sugar levels. On the other hand, extremely coarse hay may be less digestible and difficult for some horses to maintain body condition on.

The goal is balance.

Consistency Is Often Overlooked

One of the most important but underappreciated aspects of feeding metabolic horses is consistency.

Frequent dramatic changes in forage type can sometimes contribute to digestive upset, fluctuations in calorie intake, or unpredictable metabolic responses.

Horses generally do best when forage changes are gradual and predictable.

Consistent hay quality helps owners:

• better monitor body condition,

• manage weight more effectively,

• reduce feeding guesswork,

• and maintain stable digestive function.

For many owners, consistency becomes just as valuable as the hay itself.

Choosing Appropriate Hay Types

There is no single “perfect” hay for every horse with laminitis.

However, many owners and veterinarians commonly look for:

• moderate to lower NSC levels,

• clean forage,

• minimal dust,

• good digestibility,

• and consistent harvest quality.

Grass hays are often preferred over richer legume-heavy options for easy keepers, though every horse should be evaluated individually.

Orchardgrass, timothy, bermudagrass, and carefully managed mixed grass hays are frequently used in metabolic feeding programs depending on the horse’s condition, activity level, and overall calorie needs.

Hay testing can also be extremely helpful.

Laboratory forage analysis provides a much clearer nutritional picture than visual evaluation alone. Testing allows owners to better understand:

• sugar levels,

• protein,

• fiber,

• digestibility,

• and mineral balance.

This can be especially useful for horses with recurring laminitis episodes or difficult weight-management situations.

The Importance of Weight Management

Excess body condition is a major risk factor for many metabolic horses.

Even small amounts of gradual weight gain over time can increase stress on the horse’s metabolic system. Unfortunately, many easy keepers require surprisingly few calories to maintain weight.

Owners sometimes unintentionally overfeed because the horse appears hungry or because traditional feeding programs are designed for higher-calorie needs.

Forage selection can help manage calorie intake more effectively while still supporting:

• digestive health,

• chewing behavior,

• and emotional well-being.

Horses are naturally designed to consume forage regularly throughout the day. Severely restricting hay can sometimes create additional digestive and behavioral challenges.

The goal is not simply feeding less.

The goal is feeding smarter.

Practical Feeding Considerations

Owners managing laminitis-prone horses

often benefit from:

tributeequinenutrition.com by Tribute Equine Nutrition

• weighing hay portions rather than estimating,

• using slow feeders when appropriate,

• maintaining consistent feeding schedules,

• monitoring seasonal weight fluctuations,

• and introducing forage changes gradually.

Pasture management also matters tremendously. In some situations, pasture sugars may exceed those found in properly selected hay.

Working closely with a veterinarian and knowledgeable forage provider can help owners develop a more individualized feeding approach.

Small Changes Can Make a Big Difference

Many horses with metabolic challenges continue living comfortable, active lives with thoughtful nutritional management.

While hay alone is rarely the only factor involved in laminitis, forage quality often plays a central role in long-term success.

Understanding forage characteristics, selecting consistent hay sources, and matching nutrition to the individual horse can help owners make more confident feeding decisions.

Every horse is different, and forage programs should reflect those individual needs rather than relying on one-size-fits-all feeding practices.

FAQ

What does low-NSC hay mean?

Low-NSC hay refers to forage with lower levels of sugars and starches, which may be beneficial for horses with metabolic concerns.

Is alfalfa safe for horses with laminitis?

Some horses tolerate limited alfalfa well, while others may do better on primarily grass-based forage programs. Individual needs vary.

Can soaking hay reduce sugar?

Soaking hay may reduce some water-soluble carbohydrates, though results vary depending on hay type and soaking duration.

Why does consistency matter for metabolic horses?

Consistent forage helps reduce nutritional fluctuations and makes body condition management easier.