New Methods of Employing Tuberculin in the Diagnosis of Tuberculosis

J. Lignières
1909 Journal of Comparative Pathology and Therapeutics  
It will be seen that the simple conjunctival test does not appear so reliable as the subcutaneous test, for three cows out of twenty-six (11'5 per cent.) that reacted to the subcutaneous test failed to show any reaction for the conjunctival test alone eN os. 7, 107,84), although they gave a positive reaction after the subcutaneous injection. The combined conjunctival test, however, is apparently quite as reliable as the subcutaneous test. Of the twenty-six reacters to the subcutaneous test all
more » ... cutaneous test all gave a conjunctival reaction after the subcutaneous injection of tuberculin. There still remains the one doubtful case (No.8 I), which, unfortunately, cannot at present be cleared up by apost-morte11l examination. The conjunctival reaction, both before and after the subcutaneous injection, was so marked that I feel convinced the cow is tuberculous, in spite of the negative result of the general tuberculin test.
doi:10.1016/s0368-1742(09)80050-7 fatcat:fwtlbdsmdzebfj2lvjuolf7y2y