Vlll 



CONTENTS 



Appearance 



Behavior with water ..... 



Reaction 



Relation of inorganic constituents to casein in 

 milk . . . . 



Colostrum 



Acidity of milk 



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CHAPTER III 



Factors that Affect the Composition of Milk . 

 Factors that affect the water-content of cow's milk 



Amount of variation 



The influence of breed ..... 



The influence of lactation .... 



Factors that influence percentage of fat and solids in 



milk 



Influence of breed 



Influence of individuality of cow . 

 Influence of age of cow on fat-content of milk 

 Influence of stage of lactation on fat-content of milk 

 Variation from day to day in herd milk 

 Variation from day to day in individual cow . 

 Variation of fat-content in different portions of milk 



drawn from the udder 

 Composition of milk from different quarters of 



udder 



Variation of time between milkings in relation to 



fat-content of milk .... 

 Influence of methods of milking and environment 



on composition of milk . ... 

 Influence of drouth on composition of milk . 

 Effect of food on percentage of fat in milk 

 Influence of palm-nut meal on percentage of fat 

 Effect of under- and over-feeding . 

 Influence of fatness of cow on percentage of fat in 



milk ...... 



Effect of period of heat 



Acidity of milk affected by silage , 



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