New York Agricultural Experiment Station. 167 



The records of the cell counts made on these six cows are given 

 in Table XIV and they are shown graphically in Graph IV. 



Table XIV. — Effect of Increasing the Vacuum on the Cellular Content 



of the Milk of Three Cows. 

 Number of cells given in thousands per cubic centimeter 



Vacuum used = 14.5 in. 



Vacuum used = 14.5 in. 



160 



220 

 305 

 335 

 415 



460 

 500 

 355 

 360 

 265 

 465 



4.0 

 5.8 

 5.5 

 5.5 

 5.8 

 6.3 

 6.4 

 5.5 

 5.8 

 5.4 

 7.0 

 5.8 

 5.7 



1,360 



1,005 



1,295 



880 



745 



1,350 



1,235 



1,020 



690 



780 



1,200 



1,350 



4.8 

 4.8 

 4.3 

 4.3 

 5.0 

 .5 



4 



1 



3 



4 



4.3 



4.3 



4.4 



5.0 



Vacuum used = 15.5 in. 



3.6 

 4.4 

 3.8 

 4.4 

 4.0 

 5.0 

 3.8 

 4.7 

 3.6 

 4.1 

 3.8 

 4.2 

 3.9 

 4.0 

 4.0 

 4.0 



Mar. 



3.8 

 4.0 

 3.4 

 4.1 

 3.2 

 4.3 

 3.3 

 4.2 

 3.0 



*Test made from evening milking where only one test is given per day. 



