Archive image from page 207 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 i86 TUBERCULOSIS Tuberculosis of the udder is detected by an enlargement and hardening of the affected part, usually by the absence of f. pain and the fact that the secretion is not altered un- til the part has been dis- eased for some time. In advanced cases, instead of milk, the udder se- cretes a yellowish, cloudy and sometimes flocculent liquid. In acute, rapidly developing cases, there may be pain and e
Archive image from page 207 of The pathology and differential diagnosis The pathology and differential diagnosis of infectious diseases of animals differentpathology00moorrich Year: 1908 i86 TUBERCULOSIS Tuberculosis of the udder is detected by an enlargement and hardening of the affected part, usually by the absence of f. pain and the fact that the secretion is not altered un- til the part has been dis- eased for some time. In advanced cases, instead of milk, the udder se- cretes a yellowish, cloudy and sometimes flocculent liquid. In acute, rapidly developing cases, there may be pain and edema of the skin. In nearly all cases of udder tuberculosis the supra- mammary lymphatic glands situated above the udder in the middle of the escutch- eon, are enlarged and hard. If there is doubt as to the character of the disease of the udder, the milk, or possibly a piece of excised udder tissue, may be ex- amined bacteriologically. In tuberculosis of the brain, the animal is un- steady and uncertain in its movements. It lies down much of the time, is usuallj subject to occasional cramps and is apt to carry the head in an unusual position. Such cases are inclined to advance rapidly and termi- nate in death following coma or convulsions. Fig. 33. Trachea and bronchial tubes, of bovine lungs shoiving attached bronchial glands, (a-a') Supply right and left caudal lobes, {') supply r. and I. ventral lobes, {c-c') branches of the right supernumerary bronchus, ((C=) supply left cephalic lobe, {d) branch to azygous lobe, {e) trachea. A. Left bronchial lymph gland. B. Right bronchial lymph gland. C. Lymph gland base of supranumerary bronchus. D. gland often betiueen bronchi. The glands A. to D., are often involved {Smith).
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