32 How to Make Creamery Butter on the Farm 



stop. Add water at a temperature of 140 degrees F. 

 until fat rises above zero mark. Place in tester, run 

 two minutes, stop. Then add a few drops of red 

 reader (Emyl alcohol). Then read from bottom of fat 

 line to bottom of red reader line or top of fat line. 

 Place divider on zero mark and read up. This will 

 give you percentage of fat or pounds of fat in 100 

 pounds of cream. 



Causes of Defects in Tests. 



Running tester too slow. 

 Sour lumpy cream. 

 Too much acid. 

 Too strong acid. 

 Too weak acid. 

 Reading test too cold. 

 Reading test too hot. 

 Not thoroughly mixing 



sample before testing. 

 Not taking a proportionate 



sample. 



Speed of Babcock Testers. 

 Diameter. R. P. M. 



10 inches 1,074 



12 inches 980 



14 inches 909 



16 inches 884 



18 inches 800 



20 inches 759 



22 inches 724 



24 inches . 650 



