®l)c Commontoealtl) of iMa00acl)U0ctt0, 



STATE BOARD OF AGRICULTURE. 



CIRCULAR No. 38 



January, 1915. 



THE ENCOURAGEMENT OF CLEAN 

 MILK PRODUCTION. 



By L. B. Cook. 



From the Sixty-second Annual Report of the Massachusetts State 

 Board of Agriculture. 



BOSTON : 



WRIGHT & POTTER PRINTING CO., STATE PRINTERS, 



32 DERNE STREET. 



1915. 



