Forbes Farm LMF

This is something we need to be aware of with all the extreme heat we've had.

Could Mild Dehydration Be Affecting Your Horse’s Performance?

In humans, research has shown that losing just 2% of body weight through dehydration can begin to affect both physical and mental performance.

Even mild dehydration has been associated with:

* Reduced endurance and exercise performance
* Earlier onset of fatigue
* Increased heart rate during exercise
* Reduced ability to regulate body temperature
* Decreased concentration and attention
* Slower reaction times
* Impaired short-term memory and decision-making
* Increased perception of effort—everything simply feels harder
* Changes in mood, including increased irritability and reduced alertness

These effects become even more noticeable during prolonged exercise or in hot environments. By the time thirst develops, dehydration has often already begun.

What Does This Mean for Horses?

Although horses have different physiology, water is just as fundamental to every system in the body.

Even modest dehydration can:

* Reduce blood volume and cardiovascular efficiency.
* Decrease sweating efficiency, making cooling more difficult.
* Increase fatigue during work.
* Affect muscle contraction and coordination.
* Reduce gastrointestinal motility, increasing the risk of impaction colic.
* Decrease the water content and lubrication of connective tissues, including fascia and the tissues surrounding tendons, potentially reducing how efficiently they glide and transmit force.

Horses also lose significant amounts of electrolytes in their sweat. If these are not adequately replaced, muscle and nerve function can be affected, further contributing to fatigue and reduced performance.

While horses can’t tell us how they feel, it is reasonable to expect that dehydration—especially when combined with electrolyte depletion—may contribute to:

* Reduced stamina and endurance
* Earlier fatigue
* Slower recovery
* Less enthusiasm for work
* Reduced performance
* Behavioural changes that owners often describe as grumpy, irritable, or simply “not quite themselves.”

Why This Matters for Manual Therapy

Healthy fascia is a dynamic, hydrated connective tissue network that helps distribute force throughout the body, allows tissues to glide smoothly, and contributes to efficient movement.

Hydration supports the normal mechanical properties of fascia and other connective tissues. When tissues become less well hydrated, they may become less adaptable to loading and gliding, requiring muscles to work harder to produce the same movement.

Massage and other forms of manual therapy can help improve movement, reduce unnecessary tension, and encourage healthy tissue mobility. However, these tissues still depend on adequate hydration to function at their best.

If your horse seems unusually fatigued, less willing to work, stiffer than expected, or slower to recover, hydration and electrolyte balance deserve consideration alongside training, nutrition, hoof care, saddle fit, and bodywork.

Sometimes, one of the simplest factors can make a meaningful difference to how a horse feels and performs.

https://koperequine.com/25-important-salt-facts-for-horses/

The start of compensation ....

When Tight Shoulders Become a Whole-Body Problem

Let’s say your horse has begun to develop tight shoulders—maybe the ground is hard, or you’ve been jumping a lot. Maybe the saddle is a little restrictive. Maybe there’s an old injury, poor hoof balance, he’s getting older, there’s some compensation from somewhere else, or it’s simply repetitive strain.

At first, the problem seems local.

But your horse can’t afford to keep all of that extra stress in one place.

The shoulders are one of the body’s major shock absorbers. Every step, every landing, every transition sends force through them. If they aren’t moving freely or can’t absorb those forces efficiently, something else has to.

The body begins spreading the load.

Some of it moves into the neck. Some into the back. Some into the opposite shoulder. Some into the pelvis and hindquarters. The legs begin dispersing forces differently.

This is a normal adaptation. The nervous system’s first priority is to keep the horse moving while protecting the uncomfortable area, changing how forces are distributed throughout the body so muscles, fascia, and joints share the workload. At first, this often works remarkably well. The horse still appears sound, yet something feels different—the stride loses a little freedom, the back swings less, one lead becomes harder, and the horse feels heavier in the hand, less willing to bend, or simply not quite as athletic as before.

Many people describe these horses as “not-quite-right” or as having “compensations”—a term that has become increasingly popular, although its meaning is not always clearly understood.

If the original shoulder restriction remains, those temporary compensations gradually stop being temporary.

The muscles, fascia, and nervous system adapt to this new movement pattern until it becomes the horse’s normal way of going. What began as a protective response gradually becomes a habit, and the horse is no longer simply protecting sore shoulders—the entire body has reorganized around them.

The key is to interrupt this pattern before it becomes deeply ingrained. Massage therapy can help reduce unnecessary tension and improve tissue mobility, while pain-smart movement and postural recovery encourage the nervous system to rediscover more efficient movement strategies. Together, they help restore healthy force distribution, supporting long-term soundness and performance.

If the pattern continues, the tissues absorbing the extra workload experience more cumulative stress than they were designed to handle. The result may be back pain, neck soreness, sacroiliac dysfunction, tendon or ligament strain, joint overload, or eventually lameness.

The shoulder wasn’t necessarily the only problem; it was simply the first region to lose its ability to distribute force efficiently. Healthy movement depends on forces being shared throughout the entire body. When one region can no longer do its part, the rest of the horse quietly begins picking up the slack, often long before lameness becomes apparent.

https://koperequine.com/the-thoracic-sling-the-horses-primary-system-for-balance-posture-and-force-organization/

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If you’re a farm family looking for a confident, classic black‑and‑white kitten who’ll fit right into your routine, send a message and I’ll keep you on the list for when he’s ready.

Horses and heat

31 Things Every Horse Owner Should Know About Horses and Heat

Horses are remarkably good at dissipating heat, but they also produce enormous amounts of it during exercise. Their ability to stay cool depends on sweating, air movement, hydration, electrolyte balance, and appropriate management. Understanding how horses regulate body temperature can help prevent heat stress and keep them healthy and comfortable during hot weather.

1. Horses produce tremendous amounts of heat.

Only about 20–25% of the energy used during exercise becomes movement. The remaining 75–80% is released as heat that must be dissipated.

2. Sweating is their primary cooling mechanism.

Unlike dogs, which rely heavily on panting, horses depend primarily on sweating to regulate body temperature.

3. Horses can lose gallons of sweat.

During intense work in hot, humid conditions, a horse may lose 2–4 gallons (8–15 liters) of sweat per hour, with endurance horses sometimes losing even more.

4. Horse sweat is different from human sweat.

Horse sweat contains large amounts of sodium and chloride, along with potassium, calcium, and magnesium, making electrolyte replacement especially important.

5. Latherin makes horse sweat unique.

Horse sweat contains a protein called latherin, which helps sweat spread through the waterproof hair coat, improving evaporative cooling.

6. Evaporation is what cools the horse.

Sweat only cools the body when it evaporates. Sweat that simply drips off provides little cooling benefit.

7. Humidity greatly reduces cooling.

High humidity slows evaporation, making it much harder for horses to lose heat—even if they are sweating heavily.

8. Air movement is critical.

Wind or fans dramatically improve cooling by increasing sweat evaporation. Good airflow in stables, shelters, or wash bays can make a significant difference during hot, humid weather.

9. Large muscles generate the most heat.

The hindquarters, back, shoulders, and neck produce tremendous amounts of heat during exercise.

10. Blood flow helps move heat.

As body temperature rises, blood vessels near the skin dilate, allowing warm blood to transfer heat to the environment.

11. Hydration and electrolytes work together.

Replacing water without replacing sodium and other electrolytes can impair the horse’s ability to maintain hydration and continue sweating effectively.

12. Horses generally tolerate dry heat better than humid heat.

A dry 95°F (35°C) day may be easier for a horse than an 85°F (29°C) day with very high humidity because evaporation is much more efficient in dry air.

13. Cooling should begin immediately after strenuous exercise.

Current research supports repeated application of large amounts of cold water immediately after hard work. Rapid cooling lowers core body temperature more effectively than delaying treatment, and repeated cold-water application is now recommended for overheated horses.

14. Horses can acclimate to heat.

Most horses require 10–21 days of gradual exposure to hot conditions to improve their ability to sweat, conserve electrolytes, and tolerate exercise.

15. Some horses sweat poorly.

Horses with anhidrosis (“non-sweaters”) cannot cool themselves effectively and are at much greater risk of heat stress.

16. Signs of heat stress include:

* Excessive or absent sweating
* Rapid breathing
* Elevated heart rate
* Weakness
* Depression
* Muscle tremors
* Poor recovery after exercise
* High re**al temperature

17. Water should be freely available.

Modern research shows that allowing horses access to cool, clean water before, during, and after exercise is safe for healthy horses and supports hydration, sweating, and recovery.

18. Shade helps—but airflow is equally important.

Shade reduces heat gain from the sun, but moving air is often just as important for effective cooling.

19. Dark-colored horses absorb more solar radiation.

Black or dark-coated horses absorb more radiant heat from direct sunlight than lighter-colored horses, although management practices often have a greater effect than coat color alone.

20. Heat illness can become life-threatening.

When a horse’s cooling mechanisms are overwhelmed, core body temperature can rise rapidly, leading to heat exhaustion or heat stroke, both of which require immediate veterinary attention.

21. Temperature alone does not determine heat risk.

Air temperature is only part of the picture. Humidity, sunlight, and air movement all affect a horse’s ability to lose heat. A hot, humid day is often more dangerous than a hotter, dry day because sweat cannot evaporate as efficiently.

22. Fitness improves heat tolerance.

Well-conditioned horses generally tolerate exercise in hot weather better than unfit horses. A fitter cardiovascular system delivers blood to the skin more efficiently, allowing heat to be dissipated more effectively.

23. Overweight horses are at greater risk.

Excess body fat acts as insulation and increases the effort required during exercise, making overweight horses more susceptible to overheating and heat-related illness.

24. Age can affect heat tolerance.

Foals and older horses may regulate body temperature less efficiently than healthy mature adults and often require closer monitoring during periods of extreme heat.

25. Some medical conditions increase the risk of overheating.

Conditions such as anhidrosis, respiratory disease (including heaves), fever, muscle disorders, endocrine and metabolic disorders, obesity, and reduced cardiovascular fitness can all reduce a horse’s ability to regulate body temperature and cope with hot conditions. Horses also lose some heat through respiration, so conditions that make breathing more difficult increase the work of breathing, reduce exercise tolerance, and can make hot, humid weather especially challenging.

26. Some health conditions may reduce heat tolerance.

Horses with conditions such as PSSM, myofibrillar myopathy (MFM), PPID (Cushing’s disease), equine metabolic syndrome (EMS), anhidrosis, respiratory disease (including heaves/equine asthma), obesity, and other disorders that affect muscle function, breathing, or metabolism may cope less well with hot weather. These horses may fatigue more quickly, generate more heat during exercise, sweat less effectively, or have a reduced ability to dissipate heat. Individual tolerance varies, so they often benefit from lighter workloads, closer monitoring, and more proactive cooling during periods of extreme heat.

27. Don’t wait for a temperature to start cooling.

If a horse shows signs of heat stress after exercise, begin cooling immediately. Re**al temperature is useful, but it can lag behind changes in core body temperature, and delaying cooling may allow dangerous overheating to continue.

28. Cool horses during exercise if needed.

During prolonged or strenuous exercise in hot weather, don’t wait until the ride is over if your horse is becoming excessively hot. Rest breaks, access to water, shade, and applying cold water to large muscle groups can help limit the rise in body temperature and reduce heat stress.

29. Remove tack as soon as practical after work.

Saddles, saddle pads, boots, and wraps trap heat and restrict airflow. Removing them promptly after exercise allows the back and large muscle groups to cool more effectively, especially when combined with cold water and good air movement.

30. Leg boots and wraps can trap heat.

Protective boots and wraps help shield the limbs from impact, but they also reduce the horse’s ability to dissipate heat. During exercise—especially in hot, humid conditions—heat can build up beneath them, increasing the temperature of tendons and ligaments. Because these tissues have a relatively limited blood supply and cool slowly, prolonged heat may contribute to cumulative tissue stress. In hot weather, use leg protection only when its protective benefits outweigh the additional heat load, remove it promptly after work, and allow the legs to cool before reapplying any gear.

31. Horses continue producing heat after exercise stops.

Muscles continue generating heat for several minutes after exercise has finished, even though the horse is no longer moving. This is one reason prompt cooling, removing tack, and encouraging airflow immediately after work are so important.

Interesting Facts

* A horse’s normal resting body temperature is approximately 99–101.5°F (37.2–38.6°C).
* During intense exercise, core body temperature can exceed 104–106°F (40–41°C) before cooling mechanisms bring it back down.
* Endurance horses may lose 20–30 pounds (9–14 kg) of body weight during a single ride, mostly from water loss.
* Horses have millions of sweat glands distributed over almost their entire body, making sweating their primary and most effective method of cooling during exercise.
* Heat stress can develop surprisingly quickly. A horse that appears comfortable at the start of exercise may begin accumulating heat faster than it can dissipate if humidity is high, airflow is poor, or work intensity increases.
* Some horses naturally cope with heat better than others. Breed, fitness, body condition, acclimation, coat, age, and underlying health all influence heat tolerance. Two horses doing the same work on the same day may respond very differently.
* Bugs can indirectly increase heat stress. Horses constantly moving to avoid flies expend more energy, generate additional heat, and may avoid resting or standing in cooler areas. Effective fly control can therefore contribute to better heat management.

One of the biggest advances in equine sports medicine over the last decade has been the shift toward rapid, aggressive cooling with repeated applications of cold water immediately after strenuous exercise, rather than delaying cooling or worrying about using cold water on hot muscles. Current evidence shows this approach lowers core body temperature more quickly and safely, reducing the risk of heat-related illness and improving recovery.

Understanding how horses regulate heat allows us to make better management decisions. Providing shade, fresh water, appropriate electrolyte replacement, good airflow, sensible work schedules, prompt cooling, effective fly control, and allowing the horse’s body to lose heat efficiently can make all the difference during hot weather.

https://koperequine.com/identifying-heat-stress-and-essential-tips-to-help-your-horse-handle-the-heat/

Just a little humor-