Pathogenic Microörganisms; a Practical Manual for Students, Physicians And Health Officers
The book Pathogenic Microörganisms; a Practical Manual for Students, Physicians And Health Officers was written by author Park, William Hallock, 1863-1939 Here you can read free online of Pathogenic Microörganisms; a Practical Manual for Students, Physicians And Health Officers book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Pathogenic Microörganisms; a Practical Manual for Students, Physicians And Health Officers a good or bad book?
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(For the preparation of the two kinds of mallein — eye and subcutaneous, see p. 406.) The eye mallein reaction is the most recently developed test for glanders in animals, yet it has taken a preeminent place in diagnosis for it is already the Federal test for the interstate shipment of horses. The simplicity of the application of eye mallein, the short time — twenty-four hours- required, and the comparatively easy reading of results, after a suitable experience, make it possible for the veterin...arian to apply prompt tests on suspected horses. In healthy horses the error of this test has been shown (Schnarer) to be only 0.39 per cent., while in glanderous horses the test gives 88.8 per cent, positive, 3.5 per cent, negative, and 7.5 per cent, doubtful. DIAGNOSIS OP GLANDERS 405 As with the complement-fixation test the doubtful and negative reac- tions occur chiefly in the early stages of the disease ; consequently its use alone, without the agglutination reaction, to check the complement- fixation test is subject to error unless retests at suitable intervals are planned and carried out.
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