Peritonitis is inflammation of the peritoneum - the membrane that lines the abdominal cavity and forms the outer covering of the intestines.

Causes. - Injuries to the abdomen, as kicks, blows and punctures. It sometimes follows castration.

Symptoms. - The pulse is quick and hard, and soon grows wiry. The horse flinches if you press the abdomen, and he lies down carefully, but soon gets up again The animal is disinclined to walk about.

Treatment. - The same as in enteritis. If the animal begins to recover give one drachm of iodide of potassium twice a day for a week. If there is a wound, dress it twice a day with sulphate of zinc two ounces and water one quart.