Studies in Milk Secretion. 



89 



Time of 

 milking. 



Time of 

 milking. 



I 



Hours 



from 



previous 



milking. 



Range 



of 

 varia- 

 tion. 



Tests Which Began 31 to 60 Days from Cai^ving. — Continued. 



night. 



< ( 

 ( ( 



noon. 



morn. 



1 ( 

 < ( 



night. 



Average. .3.06 1.92 



Tests Which Began More Than 60 Days from Cai,ving. 



noon. 





1.70 



•85 



1.40 

 1.40 

 2,20 

 2,10 



1.30 



Average 



Avg, 



yr. 



3.22 

 all4- 

 old.s 3.13 



.56 



1.76 



D. Full Aged Cows. 

 Tests Which Began i to 15 Days from Cai^ving, 



morn. 

 (( 



(< 



< c 



night, 

 mom. 

 night. 



2.25 

 1.40 

 2.50 



1.70 



2.30 



2.60 



1.30 



I.. 40 

 1. 00 



Average . . 2. 94 i .83 



Tests Which Began 16 to 30 Days from Cai.ving, 



noon. 



1 ( 



night, 

 noon. 



morn. 



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