Bovine tuberculosis: its cause, symptoms and treatment by Howland George T

Author:Howland, George T. [from old catalog]
Language: eng
Format: epub, pdf
Tags: Cattle, Tuberculosis
Publisher: Norwich, Conn., The Waters press
Published: 1911-03-25T05:00:00+00:00

only for their own interest, but for the welfare of the public as well. Where this method of diagnosing the disease has been adopted tuberculosis is gradually being eradicated, while it is spreading rapidly and becoming widely disseminated in those districts where the tuberculin test has not been employed. Without its use the disease cannot be controlled, and the cattle owner is confronted by serious and continuous losses; with its use the disease can be eradicated from the herd, a clean herd established, and the danger of its spreading to men removed. Tuberculin, may, therefore be considered a most beneficial discovery for the stock raiser. Strange to say, many of these men have been incredulous, antagonistic, or prejudiced against the tuberculin test by misinterpreting published statements, by incorrect, unsubstantiated, or exaggerated reports, and by alleged injurious effects to healthy cattle."

I^aw states, in the Text Book of Veterinary Medicine, vol. 4, pp. 458, 465 : " Many stock owners still entertain an ignorant and unwarranted dread of the tuberculin test. It is true that when recklessly used by ignorant and careless people it may be made a root of evil, yet as employed by the intelligent and careful expert it is not only safe, but it is the only known means of ascertaining approximately the actual number affected in a given herd. In most infected herds, living under what are in other respects good hygienic conditions, two-thirds or three-fourths are not to be detected without its aid, so that in clearing a herd from tuberculosis, and placing both herd and products above suspicion, the test becomes essential. In skilled hands the tuberculin test will show at least nine-tenths of all cases of tuberculosis when other methods of diagnosis will not detect one-tenth."

Nocard and lyeclainche, in I^es Maladies Microbrennes des Animaux, vol. 2, p. 85, say that: "Direct experiments and observations collected by thousands show that the tuberculin injections have no unfavorable effects. With healthy animals the system is indifferent to the inoculation ; with tuberculous animals it causes only slight changes, which are not at all serious."

Salmon, in the Year Book of the United States Department of Agriculture, 1901, p. 592, has this to say in regard to the tuberculin test:

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