. Common diseases of farm animals. Veterinary medicine. 290 INFECTIOUS DISEASES with the toxic products of their growth. The culture medium is then heated to a boiling temperature in order to destroy the germs. It is then passed through a porcelain filter that removes the dead germs. The remaining fluid is tuberculin. Tliere are iliree methods of applying the tuberculin test. Tlie. flQ. 93. -A very large tubercular gland that had broken down in the central portion. subcutaneous test consists in injecting a certain quantity of tuber- culin beneath the skin, and keeping a record of the body tem-
. Common diseases of farm animals. Veterinary medicine. 290 INFECTIOUS DISEASES with the toxic products of their growth. The culture medium is then heated to a boiling temperature in order to destroy the germs. It is then passed through a porcelain filter that removes the dead germs. The remaining fluid is tuberculin. Tliere are iliree methods of applying the tuberculin test. Tlie. flQ. 93. -A very large tubercular gland that had broken down in the central portion. subcutaneous test consists in injecting a certain quantity of tuber- culin beneath the skin, and keeping a record of the body tem- perature of the animal l^etween the eighth and eighteenth hours following the injection. Tubercular animals show an elevation in temperature that comes on about the eighth or twelfth hour of the test. In the intradermal test, a small quantity of a special tuberculin is injected into the deeper layer of the skin. The seat of the injection in cattle is a fold of the skin on the under side. 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
