10 



SCIENCE BULLETIN, No. 20. 



Agar Plate Culture of Cream before churning, twenty hours after 

 pasteurising (dilution 1 to 1,000). 



Note the enormous increase of undesirable organisms, the result of 

 contamination by factory conditions, which have nullified 



the benefits of pasteurisation. (Original, > 



Agar Plate Culture, obtained from surface of butter in box after 

 packing (dilution 1 to 1,000). 



Total count representing 2,244,000 micro-organisms per gram. 



(Original 



