Horses owned by the Thurston family of Edmonton, Alberta, Canada, were exposed to a gas leak from a sour oil facility four months ago, and family members say the livestock still have not recovered, according to an article on

The First+Ice inserts remain cold at therapeutic levels for up to two hours, while the horse eats or rests comfortably in his stall. As the legs remain dry, there is no risk of skin irritation or bacterial, fungal and hoof.