=The Characteristic Symptom= is the spasmodic contraction of the muscles. This may vary in the different individuals, depending on the susceptibility of the animal and the quantity of poisonous toxin present in the system. There is at first a slight stiffness of the muscles of the back, neck, head, and limbs, and the animal is more nervous than common. A noise in the stable or a slap with the hand may increase the stiffness and contractions temporarily. The contracted condition of the muscles of the eye, are, perhaps, the most noticeable early in the disease. These muscles pull the eyeball backwards, the fatty cushion is pressed on and the third eyelid protrudes, covering at times from one-third to two-thirds of the front part of the eye. In the severe form of the disease the muscles feel hard, especially those of the back and neck, and the animal moves with difficulty. In addition to the muscular symptoms, the respiration and pulse beats are quickened and the body temperature higher than normal. The evidence of suffering from the contracted condition of the muscles is very marked, and, unless supported in some way, the animal may fall to the floor. If the symptoms develop a few days after infection, the animal usually dies. The acute form is very fatal, but in the mild or subacute form the chance for making a recovery is good. =Tetanus Is a Preventable Disease.= It may be largely prevented by the careful disinfection of wounds, and the use of anti-tetanic serum. In most localities the proper treatment of the wound is a sufficient preventive measure, but in localities and stables where the disease is common the anti-tetanic serum should be used. Ordinary cleansing of a wound, as practiced by most stockmen, is not sufficient to destroy the bacillus of tetanus. The wound must be carefully cleaned, disinfected and prepared for healing. This should be kept in mind when treating a wound, and instead of using an agent that we know little about, we should secure reliable information regarding the different commercial disinfectants and methods of caring for wounds. That class known as tar disinfectants is most commonly used. The better grade belonging to this class should be used. If anti-tetanic serum is used, it should be injected as soon after the injury has occurred as possible. The injection is made hypodermically, usually beneath the skin on the side of the neck. Large doses of anti-tetanic serum given after the symptoms have developed may assist recovery. However, in the severe form of the disease this treatment is uncertain.