MILK SECRETION 



DETAILS OP THE TEST 



1. Preparation of the 

 sample. Great care is 

 necessary in the prepa- 

 ration of the sample. If 

 a herd is to be tested, 

 the entire milk of the 

 whole herd must be 

 thoroughly mixed be- 

 fore a portion is taken 

 for testing. This mix- 

 ing is accomplished by 

 pouring from one vessel S, 



Acid measure. Pipette. Test bottle. 



Fig. 5. The necessary glassware for making Babcock test. 



to another, and the sample taken immediately be- 

 fore any of the fat globules have had time to rise. 



