BOG SPAVIN.
—A round, smooth tumor at the front and on the inside of the hock. It is the result of sprains, bruises, or other injuries. When these injuries occur, too much joint oil is secreted, causing a bulging of the ligament. Lameness seldom accompanies a bog spavin. If lameness be present other structures are certain to be affected, and some pain and heat will be noticed, together with a stiffness of the joint.
Treatment consists of applications of cold water to the affected parts and a lotion made of 2 tablespoonfuls of acetate of lead in a quart of water. A blister made of 1 teaspoonful biniodide of mercury and 4 tablespoonfuls of lard rubbed in a little with the fingers and repeated in ten days or two weeks and continued for some months will correct the trouble. Wash the part having received the blister twenty-four hours after application. It is also advisable to tie the horse’s head while the blister is on, so that he cannot bite the part.