THE STANDARDIZATION OF MILK 97 



Prepare mixtiores of the above feeds by each of the 

 formulas. 



Example 1 : Prepare a feed for infant four months 

 old that is constipated, otherwise normal: 2^ oz. 

 4 per ceiit milk, 1 oz. plain or oatmeal water, 1 oz. 

 20 per cent cream, 1 dram milk sugar. 



Example 2: Prepare a feed for infant four months 

 old that has diarrhoea, otherwise normal : 2^ oz. 4 per 

 cent milk, 1 oz. barley or lime water, to J oz. 20 

 per cent cream, 1 dram milk sugar. 



Similarly prepare feeds for infants of various ages. 



The cream for infants should be gravity raised 

 rather than separator cream, as the latter has a ten- 

 dency to destroy the natural emulsion of milk and 

 cream, rendering it less digestible for delicate infants 

 or invahds. 



EXERCISE XXV 

 The Standardization of Milk 



The standardization of milk consists of bringing 

 the butter fat content to a certain standard or per 

 cent regardless of the quahty of milk produced. 



Example 1 : Take 10 pounds of milk testing 4.5 per 

 cent fat, and standardize to 4 per cent. 10 pounds 

 milk testing 4.5 per cent = .45 pound butter fat. 



.45 ^ .04 = 11.25 = number of pounds of 4 per 



cent milk required. 

 11.25 — 10 = 1.25= number of pounds of skim- 

 milk to be added. 



