]y 



Massachusetts 

 agricultural experiment station 



CONTROL SERIES BULLETIN NO. 73 OCTOBER, 1934 



Fourteenth Annual Report on 



Eradication of Pullorum Disease 



in Massachusetts 



By the Poultry Disease Control Laboratory 



The purpose of this bulletin is to report the results of pullorum disease testing 

 for the 1933-34 season. In the discussion of the results an effort has been made 

 to point out what factors have been overlooked as well as those that have been 

 observed in eradicating pullorum disease from the flocks. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



