. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 704 INFECTIOUS DISEASES. which, however, it is readily distinguished by microscopic examina- tion of the contents of the swelhngs. ACUTE TUBERCULOSIS TUBERCULOUS However rapidly the above-described forms of tuberculosis may develop, the disease as a whole is always of long duration, and con- tinues for months, or even for years. The development of these chronic forms may, however, be interrupted by various influences which cause it to assume an acute character, either for a time or continuously. Each intermittent
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 704 INFECTIOUS DISEASES. which, however, it is readily distinguished by microscopic examina- tion of the contents of the swelhngs. ACUTE TUBERCULOSIS TUBERCULOUS However rapidly the above-described forms of tuberculosis may develop, the disease as a whole is always of long duration, and con- tinues for months, or even for years. The development of these chronic forms may, however, be interrupted by various influences which cause it to assume an acute character, either for a time or continuously. Each intermittent attack aggravates the condition of. Fig. 282.—General appearance of a case of cutaneous tuberculosis. the patient, but gradually subsides, with or without treatment. Con- tinued attacks, however, rapidly lead to death; they may be seen in animals previously unsuspected of any grave disorder. The dominant symptom is continuous fever, accompanied by signs of disturbance of any or all of the chief bodily functions. The temperature rises to 102° Fahr. (39° C), or even to 104° or 105° Fahr. (40° or 41° C), with morning and evening remissions of some hours. The respiration is accelerated. On auscultation it is often difficult to discover signs of chronic tuberculosis. The lung is the site of repeated congestive changes, resembling those of broncho- pneumonia or contagious pleuro-pneumonia. The pleura and walls of the chest become extremely sensitive, as in the last-named disease, and the abdomen may exhibit signs of peritonism, as at the begin- ning of acute peritonitis. The pulse rises to 80, 90, 100, or even. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moussu, Gustave, 1864-; Dollar, Jno. A. W. (John A. W. ), joint author. New York, W. R. Jenkins
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