. Common diseases of farm animals. Veterinary medicine. 286 INFECTIOUS DISEASES liver and other organs, may be full of tubercles without causing noticeable symptoms of disease (Fig. 89), Tuberculosis may attack any organ of the body, and in the different cases of the disease the symptoms may vary. Enlarge- ment of the glands in the region of the throat, and noisy, difficult breathing are sometimes present. The udder frequently shows hard lumps scattered through the gland. Bloating may occur if a diseased gland in the chest cavity presses on the oesophagus. Fig. 89.—Cows affected with tuberculo
. Common diseases of farm animals. Veterinary medicine. 286 INFECTIOUS DISEASES liver and other organs, may be full of tubercles without causing noticeable symptoms of disease (Fig. 89), Tuberculosis may attack any organ of the body, and in the different cases of the disease the symptoms may vary. Enlarge- ment of the glands in the region of the throat, and noisy, difficult breathing are sometimes present. The udder frequently shows hard lumps scattered through the gland. Bloating may occur if a diseased gland in the chest cavity presses on the oesophagus. Fig. 89.—Cows affected with tuberculosis. Many cows having generalized tuberculosis are not found out until tuberculin tested. and prevents the usual passage of gas from the paunch. Chronic diarrhd'a may occur. If the disease involves the digestive tract, the animal is unthrifty and loses flesh rapidly. Coughing is not a characteristic symptom, and we should not place too much emphasis on it. If the lungs become tubercular the animal usually has a slight, harsh cough. The cough is first noticed when the cattle get up after lying down, when the stable is first opened in the morning and when the animals are driven. If the chest walls arc thin, soreness from pressure on the ribs may. 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 Craig, Robert Alexander, 1872-. Philadelphia London, J. B. Lippincott company
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Keywords: ., bookpublisherphilad, booksubjectveterinarymedicine, bookyear1919
