DAIRY 

 BACTERIOLOGY 



BY 



ORLA-JENSEN 



DR. PHIL. 



PROFESSOR OF TECHNICAL BIOCHEMISTRY IN THE POLYTECHNIC 



COLLEGE, COPENHAGEN. 

 FORMERLY DIRECTOR OF THE SWISS EXPERIMENTAL DAIRY STATION 



TRANSLATED 



FROM THE SECOND DANISH EDITION, WITH ADDITIONS 

 AND REVISIONS 



BY 



P. S. ARUP 



B.SC. (LOND.), F.I.C. 



CHIEF CHEMIST TO ENGLISH MARGARINE WORKS (1919) LIMITED 



WITH 70 ILLUSTRATIONS 



PHILADELPHIA 

 P. BLAKISTON'S SON & GO. 



1012 WALNUT STREET 

 1921 



