Agricultural Gazette of N,S.W,, April 3, 1920. 



H2 



Agar Plate Culture ol Cream before pasteurising ^dilution 1 to 1,000), 

 showing the extent of infection at the farm dairy. 



Total micro-organisms 162,749,000 per c.c. 



(Original.) 



Agar Plate Culture of Cream immediately after pasteurising (dilution 

 1 to 100), showing beneficial effect of pasteurisation. 



Total count shows a reduction of organisms from 162,749,000 to 24,700. 



(Original.) 



