Massachusetts 

 Agricultural Experiment Station 



CONTROL SERIES BULLETIN No. 83 JULY, 1936 



Sixteenth Annual Report on 



Eradication of PuUorum Disease 



in Massachusetts 



By the Poultry Disease Control Laboratory 



This bulletin reports the results of pullorum-disease testing for the 1935-36 

 season. Further progress has been made in the eradication of puUorum disease 

 during the season. There have been increases in the number of flocks and 

 birds tested and in the number of tests made, with a reduction in the average 

 percentage of positive tests to the lowest point attained during the sixteen-year 

 testing period. Comments and suggestions concerning the eradication program 

 are presented. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



