Acknowledgment 



In presenting the information contained in this volume to 

 ^he Dairy World^ the author desires to express his sincere 

 appreciation of the facilities provided and opportunities accorded 

 him by the Blue Valley Creamery Company ', which made possible 

 the revelation of new scientific truths of acknowledged value to the 

 butter industry y and which greatly added to the comprehensiveness 

 of this work. 



