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What is Thrush?

By Katherine Blocksdorf, About.com

Question: What is Thrush?
Answer: Hoof thrush is found in the underside of the hoof and can affect the clefts, sole and frog. It’s not known whether thrush is caused by a bacteria or a fungus, but the condition is more likely to occur in the damp oxygen-less areas of a hoof that are often tightly packed with dirt and manure. In the early stages it is harmless, but left untreated it can cause hoof damage and lameness.

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