viii, a, 3 Agcaoili: Various Milks for Infant Feeding 



147 



protein corresponding to mother's milk must be made from the 

 volumes of milk and cream necessary to satisfy the equations : 



0.036 M + 0.284 C = 4 

 0.033 M + 0.029 C = 1. 



Solving for M and C gives 20.1 cubic centimeters of milk and 

 11.7 cubic centimeters of cream as the requisite volumes to em- 

 ploy. The amounts of fat, sugar, and protein contributed by the 

 milk and cream are shown in Table IX. A chart for the com- 

 position of these is given by Cox. 2 



Table IX. — Data for modifying cow's milk, continued. 



Source. 



Fat. 



Sugar. 



Protein. 



20.1 cc milk 



Grams. 

 0.72 

 3.32 



Grams. 

 1.02 

 .46 



Grams. 



0.66 



.34 





Total 



4.04 



1.48 



1.00 





This mixture contains the proper amounts of fat and protein 

 when diluted to 100 cubic centimeters, but the total lacks 5.519 

 grams of sugar that must be added in the form of milk sugar or 

 lactose. The amounts of the various constituents have been re- 

 corded to the second decimal place merely to simplify their deri- 

 vation, although the requirements in practice would naturally 

 demand less accuracy. 



The total amount of the resulting modified milk that should 

 be allowed a child during twenty-four hours for its nutrition and 

 proper development may be approximated by considering the 

 calorific value of the food. This is computed from the fat, pro- 

 tein, and sugar content with individual calorific values of 9.3, 4.1, 

 and 4.1 calories per gram, respectively. The value of 1 cubic 

 centimeter of the modified milk as obtained above would thus 

 be 0.704 calory. Holt. 3 gives the following data for determining 

 the volume of milk necessary for a child. Divide the weight 

 in grams of the child by 10, and the quotient by the food value 

 in calories of 1 cubic centimeter of the milk. The result gives 

 the number of grams of milk required to supply the necessary 

 calories for twenty-four hours. In the case of a child of one 



2 Musgrave, W. E., This Journal, Sec. B (1907), 2, 382. 

 1 Loc. cit. 



