TABLE OF CONTENTS. 



List of Figures in Text 



CHAPTER I. 



THE CONTAMINATION OF MILK. 



Udder 1 



Character of bacteria 3 



SiKiiificance 4 



Foremilk 5 



Coat of animal i 



Exterior of udder 6 



Shape of milk pail 7 



The milker ,S 



Milking machines H 



Stable 10 



Floor 10 



Manfrer.s and stanchions 11 



Barn improvements 11 



I'eeding 1 } 



Special milking rooms 12 



Clean.sinK of utensils 13 



Scalding 13 



Construction of utensils l,i 



Handling milk I5 



Bottling milk 16 



Milk room 16 



Delivery of milk 16 



Jlilk flavors 17 



Sediments 17 



References 18 



CHAPTER H. 



CHANGES IX Mir.K CAUSE:n BY B.\CTERIA. 



Significance of bacterial contamination " . 23 



Numbers of bacteria in market milk 24 



Effect of temperature on bacterial growth 24 



Methods of cooling 25 



Milk during transportation 25 



Preservation bv chemicals .26 



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