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MASSACHUSETTS 

 AGRICULTURAL EXPERIMENT STATION 



BULLETIN NO. 407 JULY, 1943 



Questions and Answers 



Concerning 



PuUorum Disease 



By H. Van Roekel 



The purpose of this bulletii\ is to make available for the Massachusetts poultry 

 industry information which will aid the poultrymen to improve their methods of 

 establishing and maintaining pullorum disease-free flocks. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



