Exa??iinaito?i of Twenty Cows from Sanie Herds, which failed to react in the Ttiberculin Test, Brighton Abattoir, May 4 , i 8 gy. 
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THE TUBERCULIN TEST IN MASSACHUSETTS 
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Whole number examined. 150 
Found tuberculosis..134 
Tuberculous. 7 out of 20. 
Did not react to tuberculin, 34 per cent. 
Of the whole number, 90 per cent, were tuberculous, 
