DRAWING BLOOD FROM TAILS OF HYPERIMMUNIZED HOGS. B. A. I. 1910. 



HOGS ROOTING IN A MANURE PILE IN A HOG YARD ADJACENT TO A Cow STABLE. YEAR 

 BOOK. 1908. (SOME OF Cows CONFINED IN STABLE ARE INFECTED WITH TUBERCULOSIS. 

 Cows ARE NOT PERMITTED TO ENTER HOG YARD AND HOGS ARE NOT PERMITTED TO 

 ENTER Cow STABLE. MORE THAN HALF THE HOGS THAT REMAIN IN Hoc YARD Six 

 MONTHS CONTRACT TUBERCULOSIS.) 



