CLARIFICATION OF MILK. 



163 



milk and clarifier were ready together; in this way no inconvenience due to 

 waiting was caused the milker. 



In the table on pages 163-175 the breed of the cow is designated by the initial 

 letter of the breed, a prefix "R" designating "registered," prefix "G" desig- 

 nating "grade." Example, G. G., — Grade Guernsey. 



Ages are given in years and months approximately. Weeks in lactation 

 calculated from the first week of lactation. 



Number of tests made, 440, with 74 different cows. 



1 cow tested 11 times. 



1 cow tested 10 times. 



5 cows Rested 9 times. 

 14 cows tested 8 times. 

 13 cows tested 7 times. 

 12 cows tested 8 times. 



9 cows tested 5 times. 



6 cows tested 4 times. 

 6 cows tested 3 times. 

 5 cows tested twice. 



2 cows tested once. 



Sixty-five, or 14.7 per cent., showed bloody slime. Seventy-four, or 16.8 

 per cent., gave .1 per cent. sUme or over. Average sUme for 440 tests, 

 .067 per cent. 



