TABLE OF CONTENTS. 



LIST OF FIOURKS ix TKXT xiu 



CHAPTER I. 



THK CONTAMINATION OF MII^K. 



Character of bacteria 

 Significance 

 Foremilk 

 Coat of animal 



Hxterior of udder 6 



^Shape of milk pail 7 



/fhe milker 



Milking machines 



V Stable -, 10 



Floor 10 



Mangers and stanchions 

 Barn improvements 

 Feeding 



vBpecial milking rooms 



^Cleansing of utensils. 13 



Scalding .. 13 



Construction of utensils 15 



^Handling milk. 



Bottling milk.... I 6 



Milk room .... 16 



/Delivery of milk.. 16 



Milk flavors 



Sediments 17 



References 



CHAPTER II. 



CHANGES IN MII.K CAUSED BY BACTERIA. 



Significance of bacterial contamination ... 



Numbers of bacteria in market milk .... 

 Kffect of temperature on bacterial growth.. 

 vMethods'of cooling 

 vMilk during transportation. 

 Preservation bv chemicals ..... 26 



