...The tuberculin test, which is marvelously accurate in its indications, hasbeen almost universally adopted for the detection of tuberculosis... 
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The value of tuberculin forthis purpose was tested during the years 1890 and 1891 by Guttman, Roeckl andSchütz, Bang and Salomonsen, Lydtin, Jöhne and Siedamgrotzky, Nocard, and manyothers...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Probably the most popular objection to tuberculin is that it is toosearching, since it discovers cases in which the lesions are small and obscure...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The observation of a clear reaction to tuberculin isunequivocal; the animal is tuberculous...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Such failures of tuberculin are very exceptional...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The best authorities admit, afterstudying many thousands of tests, that there are few, if any, mistakes made incondemning cattle which show a typical tuberculin reaction...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Furthermore, in view of the results revealedby numerous tests covering vast numbers of animals, tuberculin must beconsidered as harmless for healthy animals...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The tuberculin does not containthe tubercle bacillus, and it is absolutely certain that it is impossible toproduce a case of tuberculosis in an animal unless the tubercle bacilli arepresent...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The use of tuberculin, therefore, certainly can never produce thedisease in the inoculated animal...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...I have seen nothing to lead me to believe that the tuberculin test had anyinjurious influence on the course of the disease...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...There appear to have been a very fewcases in which the disease was aggravated, and a greater number in which it wasbenefited by the injection of tuberculin...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...At the present time there is ample evidence to show that tuberculin is themost reliable means of detecting tuberculosis in the living animal and that itsuse is not attended by any harmful aftereffects...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The intradermic test issatisfactory also for the diagnosis of tuberculosis in swine and, when so used,the tuberculin is applied into the skin of the ear near its base...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...A tuberculin test should be appliedto all strange cattle before they are introduced into the herd, and those whichshow a reaction should be refused...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
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