Smelly feet can be more than just an embarrassment for horsesâ€”Farnam Thrush Relief Horse Treatment Aid helps you fight unpleasant infections associated with accompanying odor. Thrush is an affliction of the horseâ€™s frog most often involving bacterial or fungal infection. If left untreated, thrush can destroy the frog and expose deep, sensitive skin. This unique copper napthenate formula provides water-resistant protection that doesnâ€™t require bandaging to help your horse heal. To use, simply clean the hoof thoroughly, removing debris and necrotic material, then apply with a narrow paint brush daily until fully healed.