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What is white line disease, its causes and treatment?

Last Updated: July 21, 2006

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The general consensus on white line disease is that it is a bacterial/fungal infection of the "white line" of the hoof wall. The infection is often secondary to mechanical stresses of the hoof wall or poor hoof management (long toe due to poor trimming, long intervals, etc.). The normal prescribed treatments basically consist of daily cleaning and flushing of the infected area with an anti-fungal/bacterial agent. Many common treatments include a 20% bleach (and water) solution, over-the-counter hydrogen peroxide, betadine, iodine, over-the-counter anti-fungal agents, etc. If you think your horse may have white line disease, it might be best to get a first-hand opinion from your local veterinarian and/or farrier. They can then advise you on what may be the best course of treatment.

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