. Veterinary studies for agricultural students. Veterinary medicine. 140 COMMON DISEASES. phatic glands in various portions of the body; also involving the pleurae, pericardium, and surface of various internal organs as in the usual type of the disease. A peculiar fact which appears in connection with these men- ingeal type cases is that the animals which are apparently most seriously sick early in their histories are often the cases which live longest, whereas the apparently milder cases die very quickly and very FIG. 55. HAEMORRHAGIC SEPTICAEMIA. (M. 11. R.) Meningeal type. Co
. Veterinary studies for agricultural students. Veterinary medicine. 140 COMMON DISEASES. phatic glands in various portions of the body; also involving the pleurae, pericardium, and surface of various internal organs as in the usual type of the disease. A peculiar fact which appears in connection with these men- ingeal type cases is that the animals which are apparently most seriously sick early in their histories are often the cases which live longest, whereas the apparently milder cases die very quickly and very FIG. 55. HAEMORRHAGIC SEPTICAEMIA. (M. 11. R.) Meningeal type. Cow stupid. Early stage. DIFFERENTIAL DIAGNOSIS. It is very important to distinguish between black leg and haemorrhagic septicaemia, because so far as our present knowl- edge extends, we are helpless in the presence of haemorrhagic septicaemia. We have no vaccine either preventive or curative, and no medical treatment; whereas black leg can be easily and cheaply prevented by vaccination. fn both diseases, death is liable to occur very suddenly, but black leg commonly affects only cattle under two years of age, whereas haemorrhagic septicaemia affects all ages indiscriminately. High temperatures are characteristic of black leg, especially earlv Digitized by Microsoft®. 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 Reynolds, Myron Herbert, 1865-. St. Paul, St. Anthony Park, Minn. , The author
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