DAIRY FACTORY PREMISES. 



21 



B3 



Agar Plate Culture of Cream immediately before churning (dilution, 1 to 1,000). 

 Held in vats overnight at 57 deg. Fah. 



Note the great amount of re-infection that has taken place, largely through 



a selected unpasteurised can of cream being used as a starter. (Original.) 



B4 



Agar Plate Culture of butter from surface of box after packing 



(dilution, 1 to 1,000). 

 Kote many of the organisms shown in B3 have been eliminated 



through draining off the buttermilk and wash waters. (Original. ) 



