PROD UCTION OF MILK FREE FROM CONTA MINA TION 275 



dairy farms, with the use of the ordinary open pail and of the 

 protected pail, are of great interest, 



Number of Germs in i Cubic Centimetre of Milk Samples taken by 

 Ordinary Milking Methods, and by Special Milking Methods. 



Similar data have been obtained by other experimenters. 



The pails used should be sterilised, and, prior to use, should be 

 kept covered or in such a position as not to admit of the entrance 

 of micro-organisms from the air. 



Protected Pails. 



As each cow is finished milking, the milk should be removed 

 at once to the dairy, and when it is required to maintain a low 

 bacterial count, should be passed straight through the necessary 

 manipulations for bottling. 



The first phase in such manipulations is usually that of filtration. 

 The value of this procedure appears, however, to have been con- 

 siderably overrated. It is true that the gross particles of dirt 



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