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Managing Hoof Abscesses

At the barn where my daughter file0001278425341rides we seem to be in the thick of abscess season. I have a few clients whose horses are suffering the same affliction too.  Abscesses are one of the most common causes of acute lameness in horses, especially during the winter. This is a problem that almost all horse owners have dealt with, and if you haven’t, I can assure you that the first time it happens you will probably freak out when your horse comes up suddenly and violently lame. Abscesses are initially caused when bacteria enter the horse’s hoof. However, the horse does not show any lameness from an abscess until the infection reaches the sensitive part of the hoof and then they may act as though they have some horrendous injury.

 

So what exactly is an abscess? In simplest terms a hoof abscess is an accumulation of pus within the horse’s hoof. They can be relatively minor causing only mild lameness, or they can cause major discomfort due to the build-up of pressure in the horse’s hoof resulting in a horse that won’t put its foot on the ground.  

 

Why does it seem that abscesses are more common during wet and muddy conditions or when the weather changes and what are other causes of abscesses?

 

Changes in weather conditions are one of the most common causes of an abscess. Wet conditions following dry weather often lead to abscesses. In dry conditions, the hoof is hard and often has small cracks in the sole.  Once the weather becomes wet and muddy, the hoof expands and these small cracks in the hoof become a perfect place for bacteria to gain access which may lead to infection and an abscess.

 

An injury to the hoof can often predispose an abscess. If a wound penetrates the hoof wall or sole and allows the introduction of bacteria into the hoof capsule, these bacteria can lead to infection and an abscesses. However, the hoof doesn’t have to be penetrated. A bruised hoof can also cause an abscess. Bruises can turn into abscesses if the pocket of blood becomes infected by the bacteria forming an abscess.

 

Shoeing errors such as a hot nail. This happens when your farrier places a nail too close to the sensitive lamina tissue in your horse’s foot. This can introduce bacteria into the horse’s foot, resulting in an abscess.

 

Unsanitary conditions, such as dirty stalls or muddy pastures filled with urine and feces can also result in a hoof abscess. These conditions can soften and weaken the sole, making it more susceptible to bacterial penetration and infection.

 

Low grade laminitis. If your horse suffers from repetitive abscesses, it is worth discussing with your vet whether your horse may have on chronic low-grade laminitis. Or perhaps your horse tends to get abscesses in the fall, which may correspond with the seasonal rise in ACT hormone. This is especially elevated in horses with Cushing’s disease, which can lead to mild to severe laminitis. In laminitis the sensitive laminae are dying, which essentially results in dead tissue inside the hoof capsule that can result in the formation of pus and an abscess. If your horse gets repetitive seasonal abscesses, or just repetitive abscesses, it is worth checking with your vet to insure nothing more sinister is going on.

 

Treating the Abscess:

Ultimately, it is important to contact your veterinarian or farrier if you suspect that your horse may have an abscess for a proper diagnosis. In some cases, you may have to pull your horses shoe or have your vet or farrier pare away the hoof to give the abscess a better opportunity to drain. More commonly, the abscess will erupt on its own either out of the coronary band or the sole. However, here are some common practices, which may help the abscess erupt more quickly.

 

  1. Soak the hoof: Fill a flexible bucket, often a rubber feed bucket will suffice, with warm water and Epsom salt. Soak your horses foot for 10-15 minutes or as long as they will tolerate standing still. Doing this twice a day will help draw the abscess out of the hoof. You should put enough Epsom salt in the bucket to reach the saturation point where no more salt will dissolve in the water.
  2. Pack the hoof: Using an Epsom Salt Poultice, cover the entire sole of the hoof. Although it is also common to pack the hoof with icthamol, some farriers and veterinarians recommend avoiding this product as it may slow the abscess from erupting.   
  3. Wrap the hoof: Although gauze squares or cotton rolls are very effective, a cheaper alternative is using infant diapers to wrap the hoof. Then, secure the wrap with an elastic bandage or vet wrap. Finally, wrap with duct tape to protect the bandage from wear or water damage. When wrapping your horse’s hoof, always make sure that there is not too much pressure on their coronary band to allow proper circulation. Additionally, make sure you are monitoring your horse’s foot for rubs that may be caused by the bandage. If your horse lives in pasture, it might be helpful to purchase a hoof boot to help the bandage stay in place.
  4. Once the abscess has blown, make sure to keep the hoof clean and protected to avoid further infection until the exit point closes over.

 

Prevention

Prevention is always the better choice! While in some cases it won’t be possible to prevent an abscess from forming, there are steps you can take: make sure stalls and runs are well mucked out and ideally graded so that they do not become too muddy, have a dry area where you horse can stand, be sure to pick out feet and check for injuries every day, and insure that your horse’s diet is well balanced especially for trace minerals. Zinc plays a vital role in the quality of hoof horn and diets are often low in zinc and have poor trace mineral balance. Insuring that there is a source of quality protein in the diet will also help hoof health as methionine, an essential amino acid, insures strong cross linkages in the horn.

 

Anyone who has dealt with a hoof abscess before knows that while it is frustrating to have your horse be out of work and in pain, there is also a sense of gratitude that it is just an abscess. Horses really can be a roller coaster of emotions and hoof abscesses are no exception!

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Managing Hoof Abscesses by Summit Equine Nutrition is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

2 Comments
  • Jem
    Posted at 23:15h, 18 February Reply

    Abscess is the most common horse problem. That’s why we make every time we’re done riding our horse, we make sure that their hooves are clean.

  • Frank Lessiter
    Posted at 13:55h, 09 August Reply

    Good afternoon,

    We’re looking for several new folks who could contribute to our twice-a-month “Hoof Nutrition intelligence” feature that appears on the American Farriers Journal website. And I’m wondering if you might be able to help us with this feature that zeros in on specific areas of hoof nutrition of interest to professional footcare experts and their horse-owning clients.

    In each of these features, we ask two questions about nutrition that relate specifically to hoof quality and growth. Then our contributors come up with a 300- to 800-word answer for each question.

    I’ve attached one of our “Hoof Nutrition Intelligence” columns to give you an idea of how we handle these questions. This has become a highly popular feature among the more than 6,000 hoof-care professionals who receive this newsletter.

    Some 60% of American Farriers Journal readers routinely get asked questions concerning feeds and nutrition by clients. Some 80% of clients ask farriers for recommendations on hoof supplements, 65% on joint supplements and 46% on minerals.

    The farrier sees horse owners more often than any other equine professional, averaging six visits per year. Some 85% of farriers recommend specific products to clients and 26% of AFJ readers sell hoof-care products directly to clients.

    We’d welcome any contributions you could make to this on-going feature. Please send them along to me at lessitef@lessitermedia.com.

    Many thanks for considering this opportunity to share valuable hoof nutrition information with farriers and their horse-owning clients.

    Yours for better hoof-care,

    Frank Lessiter
    Editor
    American Farriers Journal
    P.O. Box 624
    Brookfield, WI 53008-0624

    Direct line: (262) 777-2402
    (800) 645-8455 (in the U.S. and Canada), extension 402
    Or (262) 782-4480, extension 402
    Cell: (414) 745-3730
    Fax: (262) 782-1252
    E-mail: lessitef@lesspub.com
    Check out our Web site at

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