How Can You Tell If a Horse Is Stressed? Signs, Causes and What to Do

By Dr Duncan Houston

A horse can appear quiet without being relaxed.

Standing still may mean the horse feels safe and comfortable. It can also mean the horse is frozen, withdrawn, exhausted or trying to avoid movement because something hurts. At the other extreme, calling, pacing or scanning after transport may reflect temporary arousal that resolves once the horse settles.

The key is not identifying one perfect “stress sign.” It is recognising a change from that horse’s normal behaviour, understanding the context and determining whether the horse can recover once the trigger is removed.

Quick Answer

Common signs of stress in horses include a tense posture, raised head, persistent vigilance, rapid breathing, sweating, calling, pacing, escape attempts, changes in appetite or manure, avoidance of people, social withdrawal and increased repetitive behaviour.

However, no single behaviour or cortisol result proves that a horse is stressed. Pain, colic, lameness, eye disease, respiratory infection, neurological disease and other medical problems can produce similar signs. A sudden change, progressive deterioration or failure to return to normal should prompt veterinary assessment. (PubMed)

What Does Stress Mean in a Horse?

Stress is the horse’s physiological and behavioural response to a challenge.

A short-term stress response can be useful. It increases awareness, prepares the body for movement and helps the horse respond to transport, unfamiliar objects, social conflict, exercise and environmental change.

The response becomes a welfare concern when it is:

• Excessive for the situation

• Repeated too frequently

• Prolonged

• Impossible for the horse to escape or control

• Preventing normal eating, drinking, resting or social behaviour

• Associated with injury, pain or illness

• Failing to improve after the trigger has passed

The aim is not to create a horse that never becomes alert or startled. The aim is to provide an environment in which the horse can respond, recover and return to normal behaviour.

A major systematic review of equine welfare research found that agitated and withdrawn behaviours, avoidance during handling and excessive social conflict were associated with negative affective states. Forage intake and positive social interactions were among the more reassuring behavioural indicators. (PubMed)

Can a Cortisol Test Tell You Whether a Horse Is Stressed?

Not by itself.

Cortisol is involved in the body’s response to exercise, excitement, pain, heat, illness, transport and other challenges. Concentrations also vary with:

• Time of day

• Season

• Ambient temperature

• Sample type

• Recent exercise

• Feeding

• Breed and individual horse

• Housing and social environment

• Medication

• Acute versus chronic exposure

A 2025 study following 41 horses for one year found that faecal cortisol metabolites varied with ambient temperature, breed, coat colour and housing group. Riding examinations and some painful conditions increased values, but not every illness produced an increase. (PubMed)

There is another important complication. Some horses with compromised long-term welfare, abnormal withdrawn behaviour or physical health problems have shown lower, rather than higher, plasma and faecal cortisol measurements. Total cortisol can also remain unchanged while free biologically available cortisol changes because of alterations in cortisol-binding proteins. (PubMed)

Practical Interpretation

A cortisol result may be useful in research when sampling, timing and comparison groups are carefully controlled.

It is not a reliable standalone test that tells an owner:

• Whether the horse feels anxious

• How severe the problem is

• What caused it

• Whether treatment is needed

• Whether the horse’s overall welfare is good

Stress assessment should combine behaviour, physical examination, health, management, environment and changes from the horse’s normal baseline.

Cortisol is information. It is not a lie detector for horses.

What Commonly Causes Stress in Horses?

The trigger is often not one dramatic event. It is several smaller problems occurring together.

A horse may tolerate transport reasonably well. The same horse may struggle when transport is combined with dehydration, unfamiliar horses, a new stable, different hay, reduced sleep and hard exercise the following morning.

Restricted Forage or Feeding Changes

Horses are adapted to consume forage across much of the day. Long or unpredictable periods without food can create hunger, feeding frustration and an increased risk of squamous gastric disease.

There is no scientifically established rule that every horse becomes stressed or develops ulcers after exactly two hours without forage.

Current gastric-ulcer guidance supports free access to suitable forage where appropriate, or frequent hay provision when continuous access is not practical. Intermittent fasting, insufficient forage, large high-starch meals and limited water access are recognised gastric-ulcer risk factors. (Wiley Online Library)

Feeding-related stress may be associated with:

• Pacing or weaving before meals

• Pawing or kicking the stable

• Aggression around feed

• Bolting concentrate meals

• Wood-chewing

• Increased crib-biting

• Reduced appetite

• Recurrent mild abdominal discomfort

• Competition around shared hay or water

The problem may be the quantity of forage, the length of fasting periods, feeding frequency, social competition, a sudden ration change or gastrointestinal pain.

Social Isolation and Unstable Groups

Horses are social animals. Meaningful contact allows them to rest near companions, mutual-groom, coordinate movement and obtain information from the group.

Stress can occur when a horse:

• Is housed without visual or physical contact

• Is separated abruptly from a bonded companion

• Is repeatedly moved between groups

• Is introduced into an unstable or aggressive herd

• Cannot escape a dominant horse

• Is excluded from forage, water or shelter

• Can see other horses but cannot interact safely

Research in feral mares found that changing social groups was associated with increased faecal cortisol. Other studies have shown that the presence of another horse can reduce behavioural or physiological responses to some stressful situations, although the effect depends on the situation and the individual horse. (PubMed)

Social contact is not automatically beneficial when the pairing or environment is unsafe. A horse being chased continuously around a small paddock is not receiving therapeutic herd time.

Confinement and Inadequate Movement

Individual stabling may be necessary for treatment, feeding, rehabilitation or safety.

Problems become more likely when confinement is prolonged and the horse also has:

• Limited forage

• Little contact with other horses

• Inadequate visual stimulation

• No opportunity for voluntary movement

• Poor ventilation

• Insufficient bedding or rest

• An unpredictable routine

The strongest welfare evidence supports giving horses adequate space, forage and companionship wherever their medical condition and safety allow. Even limited daily turnout has improved some physiological and behavioural welfare indicators in controlled studies, although a small turnout pen does not fully replace movement or social contact. (PubMed)

Transport and Unfamiliar Environments

Transport requires continuous muscular adjustment and places horses in a noisy, moving and confined environment.

Recent research has found that road transport can increase cortisol and temporarily reduce intestinal motility, particularly in hot conditions and in horses showing greater behavioural or physiological stress. Longer transport has also been associated with changes in airway defences and immune responses. (PubMed)

The stress does not necessarily end at unloading.

A transported horse may then face:

• New horses

• Different water

• Different forage

• Unfamiliar handlers

• A strange stable

• Competition

• Bright lights and noise

• Reduced rest

• Exercise or competition shortly after arrival

This is why some horses appear manageable during the journey but become unsettled, inappetent or unwell during the following hours.

Training, Handling and Equipment

Handling can become stressful when the horse experiences:

• Pain

• Conflicting cues

• Poorly timed release of pressure

• Repeated punishment

• Flooding with an overwhelming stimulus

• Restrictive or poorly fitted equipment

• Tasks beyond their current ability

• Fear that is mistaken for disobedience

• No predictable way to produce the correct response

Human control can also mask what the horse is experiencing. A highly trained horse may remain still during an unpleasant procedure even when physiological measurements indicate arousal. Quiet compliance should therefore not be assumed to equal comfort. (PubMed)

Pain and Medical Disease

Pain is one of the most important stressors to rule out.

A horse in pain may become:

• Restless

• Aggressive

• Head-shy

• Difficult to catch

• Reluctant to move

• Withdrawn

• Unusually quiet

• Resistant to tack or handling

• Less interested in people or surroundings

Pain-related facial changes can include asymmetrical or backward ears, an angled or tense appearance around the eyes, nostril dilation and tension of the lips, chin and facial muscles. These signs are not completely specific, so they must be interpreted alongside movement, appetite, posture and clinical examination. (PubMed)

Heat, Weather and Environmental Discomfort

Heat, humidity, insects, severe cold, inadequate shelter, mud, poor ventilation, bright overnight lighting and persistent noise can all affect behaviour and rest.

The 2025 faecal cortisol study found a substantial seasonal and temperature effect, reinforcing why cortisol results and behaviour must be interpreted alongside the environment. (PubMed)

A horse standing quietly in full sun may not be relaxed. They may be hot, dehydrated or conserving movement.

What Are the Signs of Stress in a Horse?

Stress should be recognised through a pattern of signs rather than one ear, one tail movement or one unusual facial expression.

Sign pattern	What you may see	What it may mean
Heightened vigilance	Raised head, rigid neck, scanning, intense stare, frequent ear movement, reduced blinking	Attention, novelty, fear, pain or anticipation
Active agitation	Pacing, calling, pawing, fence-running, circling, repeated turning, escape attempts	Separation, frustration, fear, feeding anticipation or pain
Body and facial tension	Tight muzzle, prominent chewing muscles, nostril dilation, eye white, rigid back or neck	Acute arousal, discomfort or pain
Autonomic response	Sweating without exercise, increased breathing, elevated heart rate, tremors, repeated defecation	Acute stress, pain, heat, illness or exertion
Feeding and gastrointestinal changes	Eating less, eating unusually fast, reduced drinking, fewer droppings, loose or dry manure	Management stress, dehydration, dental disease, ulcers or colic
Social changes	Clinginess, inability to separate, aggression, isolation from the group, loss of normal social interaction	Anxiety, conflict, pain or illness
Avoidance	Moving away from people, resisting catching, refusing a stable or trailer, defensive behaviour	Fear, learned association, pain or sensory impairment
Repetitive behaviour	Crib-biting, windsucking, weaving, box-walking, repetitive head movement	Established stereotypy, anticipation, confinement or frustration
Withdrawal	Reduced interaction, prolonged immobility, fixed posture, diminished interest in surroundings	Pain, exhaustion, illness or compromised welfare
Performance change	Reluctance to go forward, stiffness, poor recovery, unexpected resistance, declining concentration	Pain, fatigue, training stress, respiratory disease or another medical problem

Blink rate can decrease when a horse becomes highly attentive or experiences some acute stressors, while eyelid twitches may increase during feeding frustration. These are interesting observations, but blink counting should not be used as a home diagnostic test. (PubMed)

Quiet Does Not Always Mean Calm

This is one of the most important mistakes to avoid.

A quiet horse may be:

• Relaxed

• Resting

• Freezing

• Exhausted

• Withdrawn

• In pain

• Too frightened to move

• Trained not to show an active response

• Weak or systemically unwell

Research examining horse-human interactions has found that behaviour can be restricted by the handler or training, masking how the horse is experiencing the situation. Chronic pain and compromised welfare can also be associated with reduced engagement and avoidance rather than dramatic agitation. (PubMed)

A horse that stops struggling has not necessarily become comfortable. Sometimes the horse has simply stopped trying the response that was not working.

Is It Stress, Anxiety or Pain?

These can overlap.

In one experimental comparison, social isolation produced more locomotion, vocalisation, restlessness and contact-seeking. Pain alone produced reduced movement and reduced contact-seeking. When pain and anxiety occurred together, the behaviour became more difficult to interpret. (PMC)

Clues That Pain or Illness May Be Involved

What you see	Important conditions to rule out
Pawing, flank-watching, repeated lying down, rolling, reduced manure	Colic
Short steps, reluctance to turn, weight shifting, stronger digital pulses	Laminitis or hoof pain
Squinting, tearing, eyelid swelling, cloudiness or avoiding approach from one side	Eye disease or trauma
Coughing, nasal discharge, fever, lethargy	Respiratory infection
Head pressing, circling, falling, incoordination or altered awareness	Neurological disease
Slow eating, quidding, dropping feed or halitosis	Dental or oral pain
Aggression during saddling, girthing, grooming or mounting	Back, limb, saddle or musculoskeletal pain
Reduced appetite, weight loss, recurrent mild colic or feeding-related irritability	Gastric or intestinal disease
Sweating, rapid breathing, weakness or poor recovery in hot weather	Heat stress
Repeated attempts to urinate, blood in urine or painful urination	Urinary or reproductive disease

Stress should not become the diagnosis given when nobody has yet identified the physical problem.

How Worried Should You Be?

This framework is intended to guide action, not replace examination.

Lower Risk

The horse:

• Reacted to an obvious short-term trigger

• Remains safe to handle

• Continues eating and drinking

• Passes normal manure

• Moves comfortably

• Shows a clear trend towards settling once the trigger is removed

Action: Monitor closely and record what triggered the response. A brief startle or short period of calling after a minor change is usually less concerning when the horse returns progressively to normal.

Moderate Risk

The horse:

• Repeatedly paces, calls or becomes agitated

• Shows reduced appetite or rest

• Has increased cribbing, weaving or box-walking

• Struggles during predictable situations

• Remains unsettled for several hours

• Has experienced a recent move, diet change or social disruption

Action: Review the environment that day. Check temperature, hydration, manure, movement and food access. Arrange veterinary advice when the change is new, persistent or not clearly improving.

High Risk

The horse:

• Has stopped eating normally

• Produces less manure

• Is losing weight

• Is repeatedly excluded from food or water

• Shows persistent withdrawal or agitation

• Has recurrent colic signs

• Has fever, coughing or nasal discharge

• Is lame or painful

• Has become unpredictably aggressive

• Has not returned to normal by the following day

Action: Arrange a same-day veterinary assessment. Do not assume the problem is purely behavioural.

Critical

The horse has:

• Severe or escalating colic

• Breathing difficulty

• Collapse

• Seizure activity

• Incoordination

• Severe or non-weight-bearing lameness

• Acute laminitis signs

• A painful or injured eye

• Choke

• Severe diarrhoea or dehydration

• Heatstroke

• Uncontrolled dangerous behaviour associated with pain or abnormal awareness

Action: Contact a veterinarian immediately.

When Is This an Emergency?

Seek urgent veterinary care if the horse develops:

• Repeated rolling or violent attempts to lie down

• Persistent pawing, flank-watching or kicking at the abdomen

• Abdominal distension

• Little or no manure with discomfort

• Refusal to eat accompanied by pain or depression

• Rapid or laboured breathing

• Collapse or profound weakness

• Incoordination, circling, seizures or head pressing

• Sudden severe lameness

• Strong digital pulses with reluctance to turn or walk

• Squinting, heavy tearing, eye cloudiness or ocular trauma

• Fever with respiratory signs or marked lethargy

• Feed or saliva coming from the nostrils

• Uncontrolled sweating, extreme temperature or altered awareness

Colic signs cannot tell an owner which part of the gastrointestinal tract is affected or whether surgery will be required. Painful equine eyes also require prompt examination because apparently similar signs may arise from conditions that threaten vision. (MSD Veterinary Manual)

Do not spend hours trying to decide whether the horse is “just stressed” while a medical emergency progresses.

What Should You Do Right Now?

1. Stop the Current Activity

Stop riding, loading, clipping, training or introducing the horse to another animal.

Continuing while the horse escalates may strengthen the negative association and increase the risk of injury.

2. Make the Area Safe

Move unnecessary people, dogs, machinery and other horses away where possible.

Do not trap the horse in a corner. Do not stand directly in front of, behind or between distressed horses.

3. Observe Before Touching

Look at:

• Posture

• Breathing

• Sweating

• Coordination

• Weight-bearing

• Eye comfort

• Abdominal behaviour

• Interaction with the environment

A horse showing pain or neurological abnormalities may become more dangerous when approached.

4. Check Physical Health

When it is safe, record:

• Rectal temperature

• Heart rate

• Respiratory rate

• Gum colour and moisture

• Capillary refill

• Appetite

• Water intake

• Manure

• Urination

• Gait

• Digital pulses

• Coughing or nasal discharge

Compare these findings with that horse’s known normal values.

5. Identify the Likely Trigger

Ask what changed immediately before the behaviour:

• Feed

• Turnout

• Companion

• Stable

• Transport

• Handler

• Tack

• Exercise

• Weather

• Medication

• Painful procedure

• New horses

• Loss of access to water or forage

A detailed timeline is often more useful than describing the horse simply as anxious.

6. Restore Basic Needs Where Appropriate

Depending on the situation, this may include:

• Suitable forage

• Clean water

• Shade

• Better ventilation

• A quiet environment

• Visual contact with a calm companion

• More space

• Removal of painful or restrictive equipment

Do not offer feed when colic or choke is suspected until your veterinarian advises you.

7. Do Not Punish the Response

Do not beat, chase, shout at or deliberately frighten the horse.

Punishment may suppress an early warning signal while making the horse’s association with the person or situation worse.

8. Avoid Unprescribed Sedation

Sedation can mask pain, impair coordination and make transport or social interaction more dangerous.

Medication should follow veterinary assessment and a specific treatment plan.

9. Record the Behaviour

A short video taken from a safe distance can help your veterinarian evaluate:

• Movement

• Posture

• Breathing

• Duration

• Trigger

• Recovery

• Whether the horse is using one side differently

Also record the time, feeding, manure, temperature and recent changes.

10. Reassess the Trend

For a mild response to an obvious trigger, you should see progressive settling once the trigger is reduced.

If the horse remains distressed, becomes more withdrawn, develops physical signs or repeatedly escalates again, contact your veterinarian rather than extending the observation indefinitely.

How Will a Veterinarian Assess a Stressed Horse?

There is no single veterinary test for “stress.”

Assessment may include:

• Detailed behavioural and management history

• Full physical examination

• Temperature, pulse and respiration

• Hydration and mucous membranes

• Gastrointestinal assessment

• Lameness and hoof examination

• Back and tack assessment

• Oral and dental examination

• Eye examination

• Neurological examination

• Review of diet, forage and water

• Review of turnout and social arrangements

• Blood or urine testing

• Gastroscopy

• Imaging

• Endocrine or reproductive investigation when indicated

The aim is to identify whether the horse is experiencing normal short-term arousal, a management-related welfare problem, pain, illness or several of these at the same time.

Behavioural signs of pain vary between horses, and low-grade pain can be difficult to detect from the face alone. Familiarity with the individual horse and recognition of change from baseline are therefore extremely valuable. (PubMed)

Can Stress Affect a Horse’s Physical Health?

Yes, but the relationship is more complicated than “stress raises cortisol and causes disease.”

Gastrointestinal Function

Transport can temporarily reduce intestinal motility, particularly in horses showing greater stress responses or travelling in hot conditions. Abrupt management changes are also recognised colic risk periods. (PubMed)

Intermittent fasting, high-starch feeding and limited water access can increase gastric-ulcer risk. Stressful management and gastrointestinal disease may therefore share the same underlying contributors rather than one always directly causing the other. (Wiley Online Library)

Respiratory and Immune Function

Transport studies have demonstrated temporary changes in immune activity, airway contamination and nasal antibody protection. Most healthy horses recover, but transport, head elevation, dehydration and exposure to unfamiliar horses can combine to increase respiratory disease risk. (PubMed)

Reproductive Performance

A retrospective study of Thoroughbred mares found that management intended to reduce social and confinement stress was associated with lower early embryonic loss and improved reproductive performance in some groups. This does not prove that every stressful event causes infertility, but it supports taking stable social management and welfare seriously in breeding mares. (PubMed)

Behaviour and Learning

Fear, pain and frustration can impair concentration and make learning more difficult. Repeatedly training beyond the horse’s coping threshold can produce avoidance, sensitisation or more dangerous responses rather than genuine confidence. (PMC)

How Can You Reduce Stress in Your Horse?

Provide Appropriate Forage Access

Aim to minimise long, unnecessary gaps without suitable forage.

Depending on body condition and metabolic health, options include:

• Free-choice appropriate forage

• More frequent hay provision

• Slow feeders

• Several feeding locations

• Lower-energy forage for overweight horses

• Feeding forage before concentrate

• Smaller concentrate meals

• Gradual ration changes

Horses with insulin dysregulation or previous laminitis still require controlled sugar and calorie intake. Unlimited lush pasture is not a stress-management plan if it creates a hoof emergency.

Provide Meaningful Social Contact

Where safe and medically appropriate, provide:

• Compatible pair or group turnout

• Stable neighbours

• Visual and tactile contact

• Stable social groups

• Gradual introductions

• Enough room to move away

• Multiple food and water locations

Avoid repeated unnecessary regrouping. Social instability and inability to escape aggression can be stressful even when the horse technically lives in a herd. (PubMed)

Increase Safe Movement

Turnout and voluntary movement support more than physical fitness.

They allow the horse to:

• Explore

• Forage

• Choose where to stand

• Move away from pressure

• Interact socially

• Change posture

• Rest in different locations

A rehabilitation horse may require controlled exercise rather than free turnout. Movement should follow the veterinary plan when tendon, ligament, bone or lamellar injury is present.

Keep the Routine Predictable

Predictability helps horses understand when feeding, turnout, rest and handling will occur.

However, the routine should not create prolonged anticipation. Rattling feed buckets for 30 minutes while a horse paces and kicks the door is technically predictable, but not especially thoughtful.

Introduce changes in:

• Feed

• Housing

• Companions

• Exercise

• Transport

• Turnout

• Handlers

as gradually as practical.

Train Below the Panic Threshold

When introducing a frightening object or procedure:

1. Begin at a manageable distance or intensity.

2. Allow the horse to observe.

3. Reward a small calm response.

4. Release pressure promptly.

5. Increase one variable at a time.

6. Stop before exhaustion or panic.

7. Practise across different settings gradually.

The goal is not to prevent every movement. It is to teach the horse that calm investigation and correct responses produce safe outcomes.

Rule Out Pain Early

Arrange examination when a behavioural problem:

• Begins suddenly

• Is progressively worsening

• Occurs only during one movement

• Is associated with tack

• Is stronger on one side

• Is accompanied by poor performance

• Includes aggression towards touch

• Does not improve with sensible retraining

A horse cannot be trained out of a painful back, ulcerated eye or laminitic foot.

Plan Transport Carefully

Reduce transport stress by:

• Transporting only a healthy horse

• Practising loading in advance

• Using adequate ventilation

• Driving smoothly

• Providing safe head movement

• Offering water during longer journeys

• Avoiding abrupt feed changes

• Monitoring temperature and respiratory signs

• Allowing recovery after arrival

The transport plan should include the hours after unloading, not merely the road journey.

Support Rest and Sleep

Provide:

• Safe, dry lying areas

• Adequate bedding

• Enough space to lie down and rise

• Protection from social harassment

• A quieter night environment

• Appropriate temperature and ventilation

A horse that never feels safe enough to lie down may appear calm while accumulating fatigue.

Use Enrichment as an Addition

Food-search opportunities, safe browse, scratching surfaces, windows, mirrors and toys may help selected horses.

They do not replace:

• Forage

• Water

• Movement

• Social contact

• Comfort

• Medical care

A stable toy cannot negotiate an entire welfare package on its own. Admirable effort, but still only a ball on a rope.

Common Mistakes Owners Make

Treating One Behaviour as Proof

Pinned ears, a raised head, licking, chewing, sweating or looking away can occur for several reasons.

Interpret the entire horse and the context.

Assuming a Quiet Horse Is Fine

Withdrawal, reduced movement and avoidance can accompany pain, exhaustion and compromised welfare.

Ordering a Cortisol Test Instead of Examining the Horse

A single measurement cannot identify the trigger or reliably separate healthy arousal from chronic welfare compromise.

Punishing the Behaviour

Punishment may make fear, pain and human avoidance worse while suppressing useful warning signals.

Using a Calming Supplement as the First Investigation

Supplements do not correct colic, ulcers, lameness, eye pain, isolation, hunger or poor training.

Isolating a Horse Because It Cribs or Weaves

Established stereotypies are not generally spread by simple observation. Removing social contact may worsen the underlying welfare problem.

Making Several Changes at Once

Changing the feed, field, herd, stable and exercise simultaneously makes it impossible to identify which change helped or harmed.

Assuming More Turnout Is Always Safe

Turnout must account for social compatibility, fencing, pasture sugar, injury and weather. Good management is individual, not ideological.

How Can You Monitor Stress Objectively?

Keep a short daily record containing:

• Appetite

• Water intake

• Manure

• Urination

• Temperature

• Resting behaviour

• Turnout

• Social interactions

• Workload

• Repetitive behaviours

• Catching and handling

• Lameness or stiffness

• Medication

• Recent changes

Use videos taken from the same position when monitoring movement or repetitive behaviour.

Patterns may reveal that the horse:

• Paces only before concentrate feeding

• Becomes withdrawn after hard work

• Weaves when one companion leaves

• Refuses to load after painful journeys

• Develops loose manure during competition

• Becomes aggressive when a particular body area is touched

That information is far more useful than writing “seemed stressed.”

Frequently Asked Questions

Can a horse be stressed and still eat?

Yes. Mild or short-term stress does not always stop appetite. Some horses eat rapidly or show increased feeding anticipation. A meaningful reduction in appetite, however, is more concerning and may indicate pain or illness rather than uncomplicated anxiety.

Can a horse hide stress?

A horse may show little obvious movement because of training, freezing, withdrawal or pain. Behavioural and physiological responses do not always match, so calm appearance alone cannot guarantee that the horse is comfortable. (PubMed)

Does cribbing mean a horse is currently stressed?

Not necessarily. Crib-biting may have developed under stressful management but can persist after the original conditions improve. An increase in frequency can still provide useful information about feeding, confinement, anticipation or gastrointestinal discomfort.

Can stress cause gastric ulcers or colic?

Stressful management can contribute through fasting, high-starch feeding, transport, dehydration, confinement and abrupt changes. However, stress is not the sole cause of every ulcer or colic episode, and a horse with abdominal signs needs medical assessment rather than a behavioural label. (Wiley Online Library)

How long should it take a horse to settle?

There is no universal time. A brief response to a minor stimulus should show a clear trend towards normal within minutes. Relocation, transport or herd changes may require days or longer. Persistent deterioration, inability to eat or rest, or development of physical signs should not simply be given more time.

Final Thoughts

Recognising stress in horses requires more than watching for one dramatic behaviour.

A raised head may mean vigilance. A lowered head may mean rest, pain or withdrawal. Pacing may reflect separation, feeding anticipation or colic. Standing still may mean relaxation, freezing or exhaustion.

What matters most is the complete pattern:

• What changed?

• Can the horse eat, drink, rest and move normally?

• Is the behaviour improving?

• Is pain or disease possible?

• Can the horse control or escape the situation?

• Is the response interfering with normal life?

Good welfare does not mean eliminating every challenge. Horses will still travel, train, meet unfamiliar objects and experience changes.

The goal is to give the horse the resources, health, training and environment needed to cope and recover. When behaviour changes suddenly or is accompanied by physical signs, investigate the horse before blaming their temperament.

---

ASK A VET™ can help you organise behaviour videos, feeding patterns, temperature, manure, turnout and recent changes so that emerging problems can be reviewed in context. Severe agitation, withdrawal accompanied by illness, colic, breathing difficulty, eye pain, lameness or neurological signs still requires direct veterinary examination.