There is an old saying in every stable in Europe: no foot, no horse. It sounds like folklore. It is closer to engineering.
A 500 kg animal moves across sand, tarmac and sandy coastal tracks on four surfaces the size of your palm. Every stride loads one of them with more than the horse’s own weight. Everything else you have been taught about riding — balance, rhythm, suppleness, impulsion — is built on top of four feet that have to stay healthy enough to absorb that.
We teach at the Centro Hípico da Quinta da Marinha in Cascais, where school horses and privately owned horses share the same yard, the same farrier visits and the same mix of sand arenas and tracks out towards the pine woods. This is the explanation we give riders who want to understand what the farrier is actually doing, and what they themselves should be looking at before they get on.
What the hoof actually is
It helps to stop thinking of the hoof as a nail and start thinking of it as a living structure with a hard shell.
The hoof wall is the visible outer casing, made of keratin, growing continuously downwards from the coronary band at the top. It has no nerves or blood supply, which is why nails can be driven into it. It grows roughly 6 to 10 mm a month, meaning a horse replaces its entire hoof wall over nine to twelve months.
The sole and the frog make up the underside. The frog is the V-shaped rubbery wedge at the back — not a passive cushion but an active part of how the foot handles load and how blood is pumped back up the leg.
Inside sit the pedal bone, the digital cushion and the laminae: the sensitive interlocking tissue that attaches the bone to the wall. The laminae are the reason laminitis is so serious. When that attachment inflames and fails, the bone’s suspension inside the hoof capsule is compromised.
Two practical consequences follow from that anatomy, and they explain nearly everything a farrier does.
Because the wall grows constantly, a hoof left alone gets long, and a long hoof changes the angles of every joint above it. And because the structure is living, what happens to it is driven by circulation — which in turn is driven by movement.
The farrier cycle: why six to eight weeks
The standard interval is around six to eight weeks, whether a horse is shod or barefoot. That number is not tradition; it is growth rate.
By six weeks the wall has grown roughly a centimetre. On a shod horse the shoe has stayed where it was nailed, so the foot has effectively grown forwards and down around it — the breakover point moves, the heels get under-run, and the shoe starts to sit in the wrong place relative to the bone it is supporting. On a barefoot horse the wall gets long, flares and chips.
Either way, the angle of the pastern and the loading of the tendons change gradually enough that nobody notices until the horse is short in front or a shoe is twisted.
What happens during a visit
A visit to a shod horse follows a sequence worth recognising.
Removal. Clenches are straightened, the old shoe eased off without tearing wall.
Trimming. Excess wall is nipped and rasped back, the sole lightly tidied, the foot balanced so the horse lands evenly. This is the part that matters most. A shoe nailed to a badly balanced foot is a badly balanced foot with metal on it.
Shaping. The shoe is fitted to the foot, hot or cold. Hot shoeing — shaping in the forge and briefly seating the hot shoe against the wall — gives an exact fit; the smoke is keratin, and it does not reach sensitive tissue.
Nailing and finishing. Nails are driven through the insensitive wall, clenched over, and the edges rasped smooth.
The whole thing takes forty minutes to an hour per horse in competent hands.
Shod or barefoot?
This is where riders find the strongest opinions and the least nuance, so here is the honest version: both work, and the right answer depends on the individual horse, its workload and the ground it works on.
Shoes protect the wall from wearing faster than it grows, give grip on hard or slippery surfaces, and allow therapeutic correction — wedges, bar shoes, rolled toes — for horses with specific problems. The cost is that nails perforate the wall, shoes add weight, and a shoe can be lost or stood on.
Barefoot allows the foot to flex and load more naturally, removes the nail holes, and for many horses in light to moderate work on forgiving ground it is perfectly sound. The cost is that it demands good hoof quality, a sensible transition period, and ground the horse can actually cope with.
Here on the Cascais coast the relevant variable is surface. Sand arenas and sandy tracks are kind to bare feet. Tarmac on the way to a hack and gravel are not. Horses doing a lot of road work or jumping on firm ground are more likely to be shod; many of ours in regular school work manage well without, and some wear front shoes only.
The decision belongs to the owner, the farrier and the vet together — not to whichever opinion was loudest on the internet that week.
What a rider should check before mounting
If you ride at a school, hoofcare is not your responsibility. But five seconds of looking is worth having as a habit, and it is one of the things that separates a rider from a passenger.
Pick the feet out. Hook from heel to toe, clear the grooves either side of the frog, and look at what comes out. A stone wedged by the frog can lame a horse within a lap of the arena.
Check the shoes are on and flat. All four present, no nail heads standing proud, no shoe twisted or sprung away from the wall at the heel. A clenched nail that has risen will cut the opposite leg.
Smell and look at the frog. Healthy frog is firm and rubbery. Black, soft, foul-smelling material in the grooves is thrush — common, treatable, worth mentioning.
Look at the wall. Small chips are normal. A crack running vertically up towards the coronary band is not, and nor is a wall that looks dished or rippled.
Feel for heat and a pulse. Warm feet after work are normal. A foot noticeably hotter than its three neighbours, or a digital pulse you can feel throbbing at the back of the fetlock, is a flag.
Tell the yard what you found. An instructor would far rather hear “I think the near fore shoe is loose” than discover it mid-lesson.
The warning signs that need a call
Some things wait for the next farrier visit. These do not.
Sudden severe lameness on one foot, especially with heat and a strong digital pulse, often means an abscess — painful, usually resolves well once drained, but needs attention.
Reluctance to move, rocking back onto the heels, both front feet sore is the classic laminitis picture. This is an emergency. Get the horse off hard ground, stop it moving, call the vet.
A nail or object in the sole. Do not pull it out before someone has seen where it sits — its depth and angle determine how serious it is.
A hoof wall crack reaching the coronary band, a shoe lost with wall torn away, or any wound at the coronary band itself all need a farrier or vet rather than a wait.
Daily care that actually makes the difference
For owners and boarders, the list of things that keep feet healthy is shorter and duller than the supplement market suggests.
Pick feet out daily. Keep bedding and standing areas clean and dry, because persistent wet plus ammonia is what rots a frog. Keep the farrier on a cycle rather than calling when something looks wrong. Give the horse movement — turnout and work are what drive the circulation that grows hoof.
And feed sensibly. Hoof quality is built from the inside, which is why a forage-first diet with an adequate balancer does more for feet than almost anything applied to the outside. Biotin, methionine and zinc genuinely help where there is a deficiency, but they take six to nine months to show, because that is how long new wall takes to reach the ground.
Hoof oil mostly makes feet look shiny. It is not a substitute for any of the above.
Frequently asked questions
How often does a horse need the farrier? Roughly every six to eight weeks, shod or barefoot. Fast-growing feet and corrective work may need shorter intervals; your farrier will set the cycle for the individual horse.
Does shoeing hurt the horse? No, when done properly. Nails pass through the insensitive outer hoof wall, which has no nerve supply — comparable to cutting a fingernail. A badly placed nail that enters sensitive tissue does hurt, which is one reason the job belongs to a qualified farrier.
Is barefoot better than shod? Neither is universally better. Barefoot suits many horses in light to moderate work on forgiving ground; shoes are the right answer for horses whose wall wears faster than it grows, who need grip, or who need therapeutic support. The surface a horse works on is usually the deciding factor.
How fast does a hoof grow? About 6 to 10 mm a month, so a full hoof wall is replaced over nine to twelve months. That timescale is why hoof problems take so long to grow out and why improvements in diet show up slowly.
What is laminitis? Inflammation and failure of the laminae that attach the pedal bone to the hoof wall. It is intensely painful and can be permanently damaging, so the typical signs — both front feet sore, rocked-back stance, strong digital pulse, reluctance to walk — warrant an immediate veterinary call.
Do I need to know any of this to take riding lessons? Not to start, no. The yard handles hoofcare entirely for school horses. But picking out feet is part of learning to handle a horse, and we teach it from the first lessons, because it is the habit that eventually protects a horse of your own.
Who pays for the farrier if I board a horse? Usually the owner, arranged either directly or through the yard. It is one of the recurring costs worth clarifying before you sign anything — our boarding page sets out what is and is not included.
Next step
You do not need to trim a foot to be a good rider. But understanding that the hoof is a living structure, that it needs a cycle rather than a crisis, and that five seconds of looking before you mount catches most problems early will make you a better horseman than most people at your level.
If you ride with us at Quinta da Marinha, ask your instructor to show you what a good foot looks like on the horse you ride most often. Once you have seen it, you will notice when something changes — and noticing is the whole skill.
Miguel Alves has been a FEP-certified instructor since 1997, we teach in English, Portuguese and French, and the yard is open seven days a week from 08:00 to 20:00 at Rua do Mirante, Casa 25 Pátio E, 2750-004 Cascais.
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