COMPOSITION OF MILK 17 



may also be separated by coagulating skim milk 

 with acid, straining out the curd and then heating 

 to the boiling point, when the albumen will be pre- 

 cipitated. Let this settle and decant the clear 

 liquid, or filter it and then boil to dryness. The 



Wo. I. 



4Lbs. 



THE MILK YIELD OF SIX COWS FOR SIX WEEKS, SHOWING THE 

 SEVERE FALLING OFF IN YIELD OF BUTTER FAT THE WEEK OF 

 NOVEMBER 2O-27, AS A RESULT OF A SEVERELY COLD RAIN- 

 STORM, NOVEMBER 17 TO IQ. ARIZONA EXPERIMENT STATION 



milk sugar and ash will be left behind in the form 

 of a white powder. Milk sugar has not been studied 

 as much as the fat and casein, but the amount in 

 milk is reported to vary from 3 to 6 per cent., with 

 an average of 5 per cent. It is a carbohydrate and 

 is a valuable part of whey or skim milk for feeding 

 to calves or pigs. 



