How to Care for a Senior Horse Properly

By Dr Duncan Houston

Senior horses are not just old horses living quietly in the paddock.

They are horses with changing teeth, changing muscle, changing joints, changing metabolism, changing immune function, and often a much smaller margin for error. A mild dental problem, a little weight loss, a slightly longer hair coat, or a bit more stiffness can be the first sign of something important.

The good news is that many senior horses can live comfortably into their 20s and 30s with the right routine. The goal is not to wrap them in cotton wool. The goal is to notice problems early, adjust their care as they age, and keep them comfortable, fed, mobile, and engaged.

Quick Answer

Senior horses need regular veterinary exams, dental care, body condition monitoring, good nutrition, parasite control, vaccination planning, hoof care, arthritis management, and screening for age-related diseases such as PPID, also called equine Cushing’s disease. At minimum, most senior horses need a yearly veterinary and dental review, but many older horses do better with checks every 6 months, especially if they have weight loss, dental disease, arthritis, PPID, laminitis risk, or chronic health issues. A senior horse that stops eating, loses weight quickly, has colic signs, severe lameness, choke, fever, diarrhoea, or sudden weakness needs urgent veterinary attention. University of Minnesota Extension notes that senior horses need routine dental and physical exams, high-quality diets, vaccination and deworming care, and arthritis management through weight control, light work, and stretching. (University of Minnesota Extension)

When Is a Horse Considered Senior?

There is no single birthday where a horse suddenly becomes old.

Many people start thinking of horses as senior around the mid-to-late teens, but the more useful question is not age alone. It is whether the horse is showing age-related changes.

A 17-year-old horse in regular work with good teeth, strong topline, normal weight, and no chronic disease may need fewer changes than a 14-year-old horse with PPID, missing teeth, arthritis, and laminitis history. Senior care should be based on the individual horse, not just the number on the passport.

In practice, I start paying closer attention when I see:

• Weight loss or difficulty maintaining condition

• Muscle loss, especially along the topline

• Slower eating

• Quidding or dropping feed

• Stiffness that takes longer to warm out

• Trouble rising or lying down

• Delayed coat shedding

• Increased drinking or urination

• Recurrent infections or hoof abscesses

• Reduced tolerance of cold, heat, travel, or stress

Older horses are not automatically fragile, but they are less forgiving when small problems are ignored.

What Changes as Horses Age?

Aging affects several body systems at once.

The most common senior horse changes involve:

University of Minnesota Extension notes that senior horses commonly develop dental issues, weight loss, loose manure, arthritis, muscle wasting, and laminitis risk if Cushing’s syndrome develops. (University of Minnesota Extension)

The clinical mistake is blaming every change on age.

“He’s just old” is not a diagnosis. It is often the phrase owners use before discovering dental disease, PPID, arthritis, chronic pain, poor nutrition, parasites, kidney disease, liver disease, or something else that could have been managed earlier.

How Often Should a Senior Horse See the Vet?

Most senior horses should have a proper veterinary exam at least once a year. Many should be seen every 6 months.

A senior horse exam should not just be “jab and go” vaccination day. The physical exam matters.

A good senior horse review may include:

• Body condition score

• Weight tape or scale record

• Dental assessment

• Heart and lung exam

• Eye check

• Hoof and limb assessment

• Arthritis and mobility review

• Skin and lump check

• Diet review

• Parasite control review

• Vaccination plan

• Bloodwork if indicated

• PPID or insulin testing if signs suggest risk

University of Minnesota Extension specifically recommends routine dental and physical exams to detect problems early, and notes that senior horses should stay up to date on vaccination and deworming because aging immune systems can make them more prone to microbial disease and parasites. (University of Minnesota Extension)

For many older horses, I like a spring and autumn rhythm. One check before summer or heavy pasture risk, and one before winter when weight, dental ability, arthritis, shelter, and rugging become more important.

Dental Care Is One of the Biggest Senior Horse Priorities

Dental disease is one of the most common reasons senior horses lose weight.

Older horses can develop:

• Worn teeth

• Missing teeth

• Sharp enamel points

• Wave mouth

• Loose teeth

• Periodontal disease

• Feed packing between teeth

• Tooth root infection

• EOTRH affecting incisors and canines

• Poor chewing efficiency

University of Minnesota Extension states that senior horses should have at least a yearly dental check, and University of Illinois notes that older horses should have an oral exam twice a year because dental problems can prevent proper chewing, reduce nutrient absorption, and predispose to choke. (University of Minnesota Extension) (Veterinary Medicine at Illinois)

Signs of dental problems include:

• Quidding, where the horse drops partly chewed hay

• Slow eating

• Dropping grain

• Packing feed in the cheeks

• Bad breath

• Weight loss

• Excess saliva

• Long stems or whole grain in manure

• Head tilting while eating

• Resistance to the bit

• Food floating in water buckets

• Preference for soaked or soft feed

If your senior horse is losing weight, the mouth should be checked before simply adding more hard feed.

More feed does not help if the horse cannot chew it.

What Should You Feed a Senior Horse?

Senior horse feeding should answer one practical question:

Can this horse chew, digest, and absorb enough nutrients to maintain healthy weight and muscle?

For senior horses with good teeth, high-quality hay or pasture may still work well. For horses with poor teeth, hay may become difficult to chew safely and efficiently. University of Minnesota Extension notes that senior diets are often pelleted, easier to chew, higher in energy than other concentrates, and may be fed in larger amounts as the sole feed when teeth are too worn to chew hay effectively. (University of Minnesota Extension)

Useful feeding options may include:

• Soft grass hay if the horse can chew it

• Chopped forage

• Soaked hay cubes

• Soaked hay pellets

• Soaked beet pulp

• Complete senior feed

• Pelleted senior diets

• Multiple smaller meals

• Separate feeding away from dominant horses

• Clean, easily accessible water

• Salt and balanced vitamins and minerals

University of Illinois notes that older horses need palatable, digestible, easy-to-chew food and fresh clean water, and that pelleted senior feeds or cubed and pelleted forages can help horses that cannot chew hay properly. (Veterinary Medicine at Illinois)

The biggest feeding mistake is assuming every skinny old horse needs more grain.

They may need dental care, forage replacement, PPID testing, parasite control, pain management, better herd access, or soaked feed. More grain alone can increase digestive risk without fixing the actual problem.

Body Condition: What Should a Senior Horse Look Like?

A healthy senior horse should not be obese, but they also should not be slowly disappearing under a winter coat.

A practical target for many senior horses is a body condition score around 5 out of 9, sometimes 5 to 6 going into winter, depending on the horse and climate. University of Illinois describes an ideal older horse as a 5 out of 9 on the Henneke scale, where ribs can be felt but not seen, and notes that older horses heading into winter should often be around 5 to 6 out of 9. (Veterinary Medicine at Illinois)

Check:

• Ribs

• Neck crest

• Withers

• Behind the shoulder

• Topline

• Tailhead

• Hip bones

• Muscle over the back and hindquarters

Weight loss in senior horses can come from many causes, including dental disease, poor forage, parasites, PPID, chronic pain, kidney disease, liver disease, cancer, ulcers, inflammatory bowel disease, poor herd access, or simply not enough digestible calories.

Obesity is also a problem. Older overweight horses may be at higher risk of insulin dysregulation, equine metabolic syndrome, arthritis strain, and laminitis.

A fat senior horse is not “doing well.” A thin senior horse is not “just old.” Both need a plan.

Watch Closely for PPID

PPID, commonly called equine Cushing’s disease, is one of the major diseases to watch for in older horses.

Common signs include:

• Delayed shedding

• Long, thick, or curly coat

• Muscle loss

• Pot belly

• Lethargy

• Poor topline

• Increased drinking

• Increased urination

• Recurrent infections

• Recurrent hoof abscesses

• Regional fat deposits

• Increased sweating

• Laminitis, especially when insulin dysregulation is also present

Merck Veterinary Manual lists common PPID signs including hypertrichosis, delayed shedding, lethargy, reduced performance, regional adiposity, recurrent infections, muscle loss, increased drinking and urination, and laminitis when insulin dysregulation is also present. (Merck Veterinary Manual)

The coat is a big clue, but do not wait for the full shaggy teddy-bear look. Earlier signs can be subtle: topline loss, mild laminitis, recurrent infections, or a coat that is just not shedding normally.

If a senior horse has unexplained weight change, laminitis, recurrent infections, delayed shedding, or topline loss, ask your vet about endocrine testing.

Hoof Care and Arthritis Matter More With Age

Senior horses need regular hoof care for life.

Retirement does not mean the feet can be left until they look long. Poor hoof balance increases strain on arthritic joints, tendons, ligaments, and the hoof capsule. University of Minnesota Extension notes that horses need regular feet trimming throughout life and that good hoof balance promotes even weight bearing and less stress on joints. (University of Minnesota Extension)

Arthritis is common in older horses and may show as:

• Stiffness when first moving

• Shorter stride

• Difficulty turning

• Reluctance to lie down or get up

• Reduced willingness to work

• Trouble with farrier work

• Swollen joints

• Muscle loss from reduced movement

• Irritability when handled

Light daily movement often helps, as long as the horse is comfortable. University of Minnesota Extension notes that managing weight, keeping horses in light work, stretching, daily light exercise, turnout, longer warm-up, and longer cool-down can help manage arthritis. (University of Minnesota Extension) (University of Minnesota Extension)

The aim is not to make every older horse keep working. The aim is to avoid sudden sedentary decline where stiffness, weight gain, muscle loss, and pain all feed into each other.

Movement is medicine, but only if the horse is sound enough for that movement.

Grooming Is a Health Check

Grooming a senior horse is not vanity.

It is your chance to find problems early.

During grooming, check:

• New lumps

• Skin crusting

• Rain scald

• Pressure sores

• Rub marks from rugs

• Sheath or udder swelling

• Tail rubbing

• Weight loss under a coat

• Heat or swelling in limbs

• Back soreness

• Muscle loss

• Wounds hidden under hair

• Signs of lice or mites

Grey horses need extra attention for melanomas. UC Davis notes that melanoma is commonly diagnosed in grey horses, often appears as small black dome-shaped bumps, and commonly occurs under the tail, around the anus and genital regions, on the lips and eyelids, and under the throatlatch. (Center for Equine Health)

Do not ignore a lump just because it has been there for years. Record size, location, appearance, and whether it changes. A lump that grows quickly, ulcerates, bleeds, interferes with manure passage, affects tack, or changes behaviour needs veterinary review.

Risk Framework: How Worried Should You Be?

Low Risk

Low-risk senior horses are bright, eating well, maintaining weight, moving comfortably, passing normal manure, drinking normally, shedding appropriately, and receiving regular dental, hoof, vaccine, and parasite care.

Action: Keep the routine strong. Record weight, body condition, dental checks, farrier dates, vaccines, parasite results, and any medications.

Moderate Risk

Moderate concern includes slow weight loss, mild stiffness, slower eating, early quidding, mild coat change, reduced topline, mild behaviour change, or needing longer warm-up.

Action: Book a vet review soon. These are often the early signs where intervention helps most.

High Risk

High concern includes obvious weight loss, not finishing feed, repeated quidding, recurrent hoof abscesses, suspected laminitis, worsening stiffness, delayed shedding with muscle loss, increased drinking or urination, diarrhoea, repeated colic signs, or a senior horse being pushed away from feed.

Action: Arrange veterinary assessment promptly. Dental exam, bloodwork, endocrine testing, parasite testing, diet changes, pain management, or imaging may be needed.

Critical Risk

Critical concern includes not eating, choke, severe colic signs, severe lameness, inability to stand, collapse, fever with depression, severe diarrhoea, suspected laminitis, neurological signs, severe weight loss, difficulty breathing, or a senior horse that is down and cannot rise.

Action: Treat this as urgent. Do not wait to see if an old horse “comes good” by morning.

What Else Could Be Going On?

Senior horse problems often have more than one cause.

If your senior horse is losing weight

Possible causes include:

• Dental disease

• Poor-quality forage

• Not enough calories

• Parasites

• PPID

• Chronic pain

• Arthritis

• Kidney disease

• Liver disease

• Cancer

• Chronic infection

• Inflammatory bowel disease

• Poor herd access

• Bullying by other horses

If your senior horse is stiff

Possible causes include:

• Arthritis

• Hoof imbalance

• Laminitis

• Thin soles

• Suspensory disease

• Back pain

• Muscle loss

• Poor conditioning

• Old injury

• Neurological disease

If your senior horse is not eating well

Possible causes include:

• Dental pain

• Choke risk

• Colic

• Gastric ulcers

• Fever

• Poor feed palatability

• Kidney or liver disease

• Pain

• Depression after losing a companion

• Competition from other horses

If your senior horse has a long coat

Possible causes include:

• PPID

• Poor nutrition

• Chronic illness

• Seasonal variation

• Inadequate grooming

• Poor body condition

This is why senior horse care needs veterinary reasoning, not just more feed, more rugs, or more supplements.

When Is This an Emergency?

Call your veterinarian urgently if your senior horse has:

• Not eating or drinking

• Choke signs, such as coughing feed, drooling, neck stretching, or feed coming from the nose

• Colic signs

• Severe diarrhoea

• Fever with dullness

• Severe lameness

• Strong digital pulses or suspected laminitis

• Sudden weakness or collapse

• Inability to rise

• Laboured breathing

• Neurological signs

• Rapid weight loss

• Severe facial swelling

• Eye injury or a painful closed eye

• Heavy bleeding

• A wound near a joint

• Sudden major behaviour change

• Multiple abnormal signs at once

Older horses can deteriorate quickly because they often have less reserve. A young horse may compensate for a while. A senior horse with dental disease, PPID, arthritis, and poor condition may not.

If your senior horse is off feed and looks dull, do not wait a week. That is exactly when early treatment matters.

What Should You Do Next?

If your senior horse is healthy

Create a baseline.

Record:

• Body condition score

• Weight tape measurement

• Normal appetite

• Normal manure

• Normal water intake

• Dental date

• Farrier date

• Vaccination dates

• Parasite testing results

• Current feed amounts

• Current medications

• Normal movement and stiffness level

• Photos from the side, front, and rear

This makes changes much easier to see.

If your senior horse is losing weight

Do not just feed more grain.

Start with:

1. Dental exam

2. Diet review

3. Body condition scoring

4. Parasite testing

5. PPID and insulin testing if indicated

6. Pain and lameness assessment

7. Bloodwork if weight loss is unexplained

8. Herd access review

Then adjust the diet based on what the horse can actually chew and digest.

If your senior horse is stiff

Check:

• Hoof balance

• Farrier interval

• Body weight

• Workload

• Turnout

• Bedding depth

• Ability to lie down and rise

• Joint swelling

• Pain response to exercise

• Need for veterinary arthritis management

Do not assume stiffness is harmless just because the horse is old. Pain control, hoof care, movement, and workload changes can dramatically improve comfort.

If your senior horse has coat or endocrine signs

Ask your vet about PPID and insulin testing.

This is especially important if there is delayed shedding, muscle loss, laminitis, recurrent infections, abnormal fat pads, increased drinking, or increased urination.

Common Mistakes Senior Horse Owners Make

Waiting until the horse is thin

Weight loss is easier to correct early. Once a senior horse loses significant muscle and fat, recovery can be slow.

Assuming retirement means less care

Retired horses still need dental care, farrier care, vaccines, parasite control, body condition monitoring, and veterinary checks.

Feeding more grain instead of fixing the cause

If the horse has dental disease, PPID, parasites, pain, or poor herd access, extra grain may not solve the problem.

Ignoring mild quidding

Dropping hay is not just messy eating. It often means chewing is not working properly.

Letting the older horse be bullied at feed time

Many senior horses lose condition because they cannot compete with younger, more dominant horses.

Missing PPID because the horse is not extremely hairy

Delayed shedding, muscle loss, laminitis, infections, and abnormal fat deposits can appear before the classic long curly coat.

Stopping exercise completely

Some horses need retirement from ridden work, but many still benefit from gentle turnout, hand walking, or light exercise if sound.

How to Prevent Common Senior Horse Problems

A good senior horse routine includes:

• Veterinary exam at least yearly, often every 6 months for high-risk horses

• Dental exam at least yearly, often every 6 months if dental disease is present

• Monthly body condition scoring

• Weight tape tracking

• Diet adjusted to chewing ability

• Soaked feeds when needed

• Separate feeding for horses that are bullied

• Clean, accessible water

• Regular hoof trimming

• Arthritis monitoring

• Gentle daily movement if sound

• PPID and insulin testing when signs suggest risk

• Faecal egg count-based parasite control

• Vaccination planning with your vet

• Daily appetite and manure checks

• Grooming checks for lumps, wounds, skin disease, and pain

• Winter planning before the horse loses weight

• A clear end-of-life quality-of-life plan when chronic disease progresses

AAEP’s adult horse vaccination guidance separates core vaccines from risk-based vaccines and states that all vaccination programs should be developed in consultation with a licensed veterinarian. AAEP’s parasite guidance also recommends faecal egg counts once or twice yearly to classify adult horses as low, medium, or high shedders and reduce unnecessary deworming. (AAEP) (AAEP)

The best senior horse care is not dramatic. It is consistent.

Small changes noticed early are much easier to manage than big problems found late.

Simple Senior Horse Checklist

FAQs

How often should a senior horse see the vet?

Most senior horses should have a veterinary exam at least once a year. Many older horses, especially those with dental disease, weight loss, arthritis, PPID, laminitis risk, or chronic illness, benefit from exams every 6 months.

What should I feed an older horse that is losing weight?

Start by checking the teeth, parasites, PPID risk, pain, and herd access. Feeding options may include senior complete feed, soaked hay cubes, soaked pellets, chopped forage, beet pulp, and smaller meals more often. Do not simply add more grain without finding the cause of weight loss.

Is it normal for an old horse to lose topline?

Some muscle loss is common with age, but it should not be ignored. Topline loss may be linked to PPID, poor protein intake, dental disease, chronic pain, reduced exercise, or other illness.

Should senior horses still exercise?

Many senior horses benefit from gentle movement, turnout, hand walking, or light riding if they are sound and comfortable. Exercise should be adjusted to arthritis, footing, weather, respiratory health, and recovery time.

What are the warning signs of PPID in older horses?

Warning signs include delayed shedding, long or curly coat, muscle loss, pot belly, increased drinking or urination, recurrent infections, hoof abscesses, regional fat pads, lethargy, poor performance, and laminitis.

Final Thoughts

Senior horses do not need pity. They need attention.

A well-cared-for older horse can still be bright, useful, affectionate, cheeky, and deeply comfortable for many years. But aging horses do not leave much room for lazy management. Teeth matter. Weight matters. Hooves matter. Movement matters. Endocrine disease matters. Small changes matter.

The real goal is not just to help your horse live longer.

It is to help them live better.

If your senior horse is eating well, moving comfortably, maintaining condition, interacting normally, and being monitored properly, you are doing a lot right. If weight, appetite, coat, movement, manure, or behaviour starts to change, do not write it off as old age. That is the moment to look closer.

If you are unsure whether your senior horse’s weight loss, stiffness, dental signs, coat changes, appetite, lumps, or behaviour changes are normal aging or something more serious, ASK A VET™ can help you decide what can be monitored, what needs a routine vet check, and what should be treated as urgent.