36 



PROFITABLE DAIRYING 



it should be washed off immediately, using plenty 

 of water. An application of diluted ammonia is 

 very beneficial in neutralizing acid. 



l\k 



Whole milk Cream test Two types of double-necked 



bottle. bottle. skim-milk bottles. 



Fig. 7. Every dairy laboratory should be equipped with a supply 

 of these test bottles. 



In making the test the acid measure is filled 

 to the mark with this acid, and the acid is poured 

 down the inside of the neck of the test bottle in 

 the same way in which the milk was introduced. 

 It is important to let the acid run down the side 

 of the bottle, and not drop it straight down 

 through the milk, as this will burn the curd and 

 cause black particles of burned curd to rise 

 into the fat and spoil the test. 



