Wi* 0CT 3 19,7 



HOG CHOLERA: 



PREVENTION AND I l!K\ I \IK\T 



M. DORSET 



Chief of ttie Biochemic Divisiou 

 and 



0. B. HESS 



In Charge of Office of Hog-Cholera Control 



The two pigs shown in foreground are affected with hog cholera 



FARMERS' RULLETIN 834 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



Contribution from the Rureau of Animal Industry 

 A. D. MELVIN, Chief 



Washington, D. C. August, 1917 



Show this bulletin to a neighbor. Additional copies may be obtained free from the 

 Division of Publications, United States Department of Agriculture 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1917 



