Massachusetts 

 agricultural experiment station 



CONTROL SERIES BULLETIN NO. 146 JULY, 1950 



Thirtieth Annual Report of 



Puliorum Disease Eradication 



in Massachusetts 



BY THE POULTRY DISEASE CONTROL LABORATORY 



A total of 579 chicken, turkey, pheasant, and quail flocks was tested during 

 the 1949-50 testing season. The number of samples tested was the largest on 

 record in the test history for Massachusetts (1,444,364 chicken and 30,840 

 fowl other than chicken). The percentage of reactors (0.06) was slightly higher 

 than that of the previous season. The percentage of breaks (4.82) also was 

 higher. However 98.28 percent of all birds tested were in 100 percent tested, 

 non-reacting flocks. 



UNIVERSITY OF MASSACHUSETTS 

 AMHERST, MASS. 



