2 comments ·

Frog and Sole Shedding in Horses

Is This Normal Frog Shedding or Thrush?

Every spring and autumn, horse owners across Australia search the same worried question.

"My horse's frog is falling off. Is this normal or is it thrush?"

In many cases, the answer is no, it isn't thrush. What you are often seeing is normal seasonal frog and sole shedding in horses, a natural process that helps the hoof adapt to changes in moisture, footing and environment.

While frog shedding can look dramatic, it is frequently misunderstood and mistaken for disease when it is actually part of normal hoof function.

2 comments

  • The Hoof Co

    No problem Vida. Happy to help where we can.

  • Vida

    Thank you so much for all the information. It is so valuable. Thank you.
    Kind regards
    Vida

Leave a comment

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

Back to Hoof Care Blogs

Is frog shedding normal in horses?

Yes. Frog shedding is normal in many horses, particularly during seasonal changes.


The frog and sole are made up of keratinised hoof horn, produced by living tissues underneath. As the hoof grows and renews, older surface layers can naturally loosen and shed

. As conditions change, older surface layers are naturally replaced by new material underneath.

This process is known as frog and sole shedding and commonly occurs during Autumn and Spring so when conditions change from dry to wet and wet to dry.

What does normal frog and sole shedding look like in horses?

As new hoof material forms underneath, older surface layers gradually lose their attachment and lift away. This may look like peeling or lifting edges, flaking material or sections of frog coming loose.

Underneath, the newly exposed surface is often firmer, cleaner and better suited to current conditions.

From a hoof care perspective, this is a normal renewal process. The frog plays an important role in weight bearing, circulation and sensory feedback, which means it responds quickly to changes in moisture, workload and footing.

Normal frog shedding on horse hoof in spring showing old frog material peeling away

Why does frog shedding happen seasonally in horses?

Frog and sole shedding most commonly occurs during environmental transitions, particularly during dry to wet conditions in autumn and wet to dry conditions in spring.

Moisture has a direct effect on hoof material. Extended wet conditions soften the outer layers of the frog and sole, while drier periods encourage compression and thickening. When conditions shift, tissue that previously provided protection may no longer be appropriate and is naturally shed.

In parts of Australia that experience prolonged wet seasons, shedding material can sometimes remain attached for longer than ideal. While this is still part of a normal process, retained shedding can trap moisture, manure and debris against newly forming structures underneath.

"Shedding is often the hoof adapting, not deteriorating"

How can you tell the difference between frog shedding and thrush?

This is where many owners become unsure.

Thrush is a hoof problem associated with prolonged moisture, poor hygiene and the presence of unwanted bacteria and fungi. It commonly affects the frog, collateral grooves and central sulcus.

Thrush tissue may appear soft and degraded and often looks black or grey when picked. In more advanced cases, thrush can lead to tissue sensitivity and sometimes lameness.

Although thrush is often associated with a strong odour, smell is usually a later sign. In many cases, tissue breakdown is visible well before odour becomes noticeable.

Normal frog shedding looks different. Shedding tissue is usually firmer, lifts away cleanly and is not painful. Healthy, fresh material is visible underneath and the horse remains comfortable.

A horse with thrush in the hoof being investigated by a hoof care professional

How do you support healthy frogs in horses?

One of the most common mistakes during frog shedding is over intervention.

Excessive trimming, digging or repeated use of harsh chemical products can damage newly exposed areas and interfere with the natural renewal process of the hoof.

A supportive approach is often more effective, particularly during seasonal change. This includes regular cleaning to remove loose debris, allowing hooves to dry between wet exposures and maintaining clean paddock and stable conditions.

A visit from your farrier will also ensure any loose tissue and sole ready to shed can be removed, they should also advise you of a management plan if any issues are found.

When additional hygiene support is needed, many hoof care professionals prefer natural, cosmetic grade hoof care products during shedding periods. Gentler formulations can help maintain hoof hygiene whilst supporting sensitive frog areas.

Thrush prevention for horses

HORSE HOOF HYGIENE

View all
Sale
The Hoof Co Hoof Hygiene Kit - Hoof Spray, Hoof IX Pink, Hoof Pack Clay and Hoof Powder for horse frog and sole hygiene
The Hoof Co Hoof Hygiene Kit Large - large horse hoof hygiene bundle with Hoof Spray, Hoof IX Pink, Hoof Pack Clay large and Hoof Powder
Hoof Hygiene Kit
$154.80 from $129.95 Save $24.85
Hoof Spray 500ml with Kunzea oil for horse hoof cleansing and deodorising
Hoof Spray with Kunzea Oil
from $5.00
Hoof IX Pink squeezable hoof liquid with Manuka honey for horses
Hoof ix pink easy squeeze hoof hygiene liquid
Hoof IX™ Pink Squeezable Hoof Liquid
$44.95
Hoof Pack clay applied to horse hoof frog and sole crevices
Thrush treatment for horses applied to frog and sole to manage hoof infections and promote hoof health
Hoof Pack Hoof Clay
from $34.95
Hoof Powder absorbent anti-odourant with peppermint and lemongrass for horses
Hoof Powder Absorbent with Peppermint and Lemongrass
$29.95
View all
18 products

When should you look closer at frog shedding?


While frog shedding is often normal, further assessment by your veterinarian would be warranted if the frog is painful, bleeding, swollen, inflamed or associated with ongoing lameness.

Is frog and sole shedding a normal process in horses?

Seasonal frog and sole shedding is a normal part of hoof function, particularly in climates where moisture and footing change throughout the year. While it can look alarming, it is often a sign of adaptation rather than failure.

By understanding the difference between normal frog shedding and thrush, horse owners can manage seasonal hoof changes with confidence and support healthier hooves over time.

Horse hoof ready to shed frog and sole

Horse hoof trimming frog and sole

Fresh hoof after trimming

EXPLORE HOOF HYGIENE

Frequently Asked Questions About Frog & Sole Shedding in Horses

Yes. Horses naturally shed older surface layers of frog tissue as the hoof grows and renews. This can appear as peeling, flaking or loose sections of frog. Healthy tissue underneath should generally be firm and comfortable. If the area is painful, bleeding or deteriorating, have it professionally assessed.

Normal frog shedding usually involves older tissue lifting away to reveal healthy material underneath. Thrush involves deterioration of frog tissue and may produce dark, crumbly material, deep fissures, sensitivity or an unpleasant odour. Thrush doesn't always smell, so odour alone isn't a reliable indicator.

Frog shedding can become more noticeable during seasonal changes, particularly when moisture levels and ground conditions change. Older surface layers may loosen as the hoof adapts to its environment. However, frog shedding isn't restricted to spring and autumn.

Avoid pulling or cutting away firmly attached frog or sole material yourself. Loose, detached material can often be removed during routine professional hoof care, but removing tissue prematurely may expose sensitive areas. If you're unsure what's ready to shed, ask your farrier or qualified hoof care professional.

There's no fixed timeframe. Some horses shed small amounts gradually, while others lose more noticeable sections during a trim. The process varies with hoof growth, environmental conditions and the amount of older tissue present. Persistent loose tissue accompanied by discomfort or deterioration warrants professional assessment.

Maintain regular hoof cleaning, remove loose dirt and debris, and keep up with professional hoof care appointments. Avoid excessive trimming, aggressive scraping or digging into newly exposed tissue. Routine hoof hygiene products can support cleanliness where appropriate, but shouldn't replace professional assessment of painful or damaged areas.

Julie Wright, founder of The Hoof Co, equine hoof care professional Australia

Julie Wright

Founder, The Hoof Co
Dip. EPT, Cert. EMT
Hoof Care Professional
Over 20 years under the horse

1. American Association of Equine Practitioners - Equine Veterinary Education (October 2020)

Read the professional publication (PDF)

Discusses natural exfoliation of hoof sole horn, removal of loose frog tissue during professional trimming and the importance of preserving protective sole thickness.

2. University of Missouri Extension - Care of Your Horse's Feet

Read the hoof care guide

Explains the difference between dead, flaky sole material and underlying tissue that should be preserved. Also discusses appropriate frog trimming and routine hoof maintenance.

3. British Horse Society - Hoof Anatomy

Explore equine hoof anatomy

Explains the structure and function of the frog, sole, hoof wall and underlying tissues, providing useful context for understanding natural hoof renewal.

4. Merck Veterinary Manual - Foot Care of Horses

Read the veterinary reference

Covers regular professional hoof care, hoof balance and early identification of abnormalities that require attention.

OTHER HOOF CARE ARTICLES

HOOF ANATOMY

BASIC HOOF ANATOMY

THRUSH IN HORSES

THRUSH IN HORSES

SULCUS THRUSH

DEEP CENTRAL SULCUS

2 COMMENTS

No problem Vida. Happy to help where we can.

The Hoof Co · 20 October 2026

Thank you so much for all the information. It is so valuable. Thank you.
Kind regards
Vida

Vida · 17 September 2026

LEAVE A COMMENT