=Zinc= (Sulphate).--Useful for wounds. Add one quart water to one ounce zinc and apply three times a day. =Bran Mash.=--Place bran in clean pail and pour on as much boiling water as it will absorb; add ½ ounce salt; stir and then cover over to retain steam until sufficiently cool; add, if on hand, to the bran a pound of well-boiled linseed. =Gruel.=--Put 1 pound of meal in cold water, place over fire, and stir until it boils; then simmer until thick; permit to cool until temperature of new milk; add wineglass of spirits if animal be exhausted. =Poultice.=--Bran, with a little linseed-oil, steeped in hot water; boiled turnips or carrots; linseed-meal and a little olive-oil. =Charcoal Poultice= is made by adding linseed-meal to boiling water and stirring until a soft mass is produced; then stir in powdered charcoal and sprinkle some over the poultice when made up. If desired as an astringent, add sulphate of zinc. =Mustard.=--Add water to 1 pound of mustard until a thick paste; rub on skin and then wash off carefully after 15 or 20 minutes. Apply again in six hours if necessary. =Enemas.=--Usually water at the temperature of the body, 3 to 6 quarts. Sometimes a little soap is added. =Cantharides.=--If effect of blister be too severe, diminish by dressing part with liniment of lead, acetate of lead, and olive-oil; or wash off blister and dress with oil. =Gombault's Caustic Balsam= is a most excellent vesicant. =Tonics= should be given under observation of surgeon and effect carefully watched, especially mineral tonics. =Mineral Tonics.=--Sulphate of iron, 1 to 2 drachms, with 2 to 4 drachms of ginger; or sulphate of copper, ½ to 1 drachm, with powdered gentian 2 to 4 drachms; or arsenious acid, 5 grains. =Vegetable Tonics.=--Quinine, ½ to 1 drachm, dissolved in a few drops of sulphuric acid, in a pint of water; or oak-bark, 2 to 3 drachms made into a ball with treacle and bran; or powdered gentian-root, 1 to 2 drachms; or tincture of gentian, 1 to 2 ounces in a pint of water. SYMPTOMS AND TREATMENT OF VARIOUS DISEASES. ABSCESS. =Symptoms.=--The result of a bruise or blood impurities; is attended by pain, heat, and swelling, with in time a soft or fluctuating part on its surface from which the hair falls off. =Treatment.=--Open with a knife at the soft point and free of matter; then hot fomentations or poultices are sometimes required; apply twice a day carbolic acid, 1 part; water, 20 parts. BLADDER IRRITATION. =Symptoms.=--Restlessness; frequent straining; protruding penis; passing small quantities of urine at short intervals. =Treatment.=--Rest; plenty of water and mucilaginous fluids, with ½ ounce bicarbonate of soda or potash; warm rugs over loins; a pint of linseed-oil if laxative is required. BLADDER INFLAMMATION.