 | 1908 - 812 pages
...elapses between infection with tuberculosis and the dangerous expulsion of tubercle bacilli nan not serve as a reason for retaining a tuberculous .cow...first discovered. 7. From the present as well as from former1 investigations we know that the commonest way for tubercle bacilli to pass from the bodies... | |
 | 1907 - 458 pages
...elapses between infection with tuberculosis and the dangerous expulsion of tubercle bacilli can not serve as a reason for retaining a tuberculous cow...discovered. 7. From the present as well as from former" investigations we know that the commonest way for tubercle bacilli to pass from the bodies of tuberculous... | |
 | United States. Bureau of Animal Industry - 1908
...elapses between infection with tuberculosis and the dangerous expulsion of tubercle bacilli can not serve as a reason for retaining a tuberculous cow...discovered. 7. From the present as well as from former investigations we know that the commonest way for tubercle bacilli to pass from the bodies of tuberculous... | |
 | Kansas State Board of Health - 1909 - 800 pages
...tuberculin, forty per cent, or more actively expel tubercle bacilli from their bodies in a way dangerous to the health of other animals and persons. 4. Dairy...discovered. 7. From the present as well as from former* investigations we know that the commonest way for tubercle bacilli to pass from the bodies of tuberculous... | |
 | Illinois State Board of Health - 1908 - 780 pages
...tuberculin, 40 per cent or more actively expel tubercle bacilli from their bodies in a way dangerous to the health of other animals and persons. 4. Dairy...first discovered. 7. From the present as well as from former1 investigations we know that the commonest way for tubercle bacilli to pass from the bodies... | |
 | 1908 - 422 pages
...tuberculin, forty per cent or more actively expel tubercle bacilli from their bodies in a way dangerous to the health of other animals and persons. 4. Dairy...when her tuberculous condition is first discovered. 191 192 7. From the present as well as from former* investigations we know that the commonest way for... | |
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The practical importance of this is, that it enables us to clean herds of tuberculous cattle by the periodic application of the tuberculin test and the segregation of all reacting animals. 6. The interval of time that elapses between infection with tuberculosis... 