The Relation of Food to Milk-Fat. 



71 



TABLE 11 — {Contimied). 

 Average Record of Lot C. (Wide Ration). 



* Average for two cows. 



Before entering upon any discussion of these records it is neces- 

 sary to make a few explanations in order that a clear understanding 

 of them may be obtained. The first experiment went through 

 without any irregularities or illness of the cows, sufficient to cause 

 variations that should be noticed when drawing conclusions. But 

 during the second experiment there were some irregularities that 

 need to be noticed. 



In lot A, Table II, Julia was taken sick during the ninth week 

 of the test and for a few days her milk yield fell off nearly one- 

 half. Her illness and slow recovery considerably reduced the aver- 

 age milk and fat yield as may be seen by a glance at the table. 



In lot B, Dora did not enter the experiment until the fourth 

 week and was then fresh in milk. She was giving from 40 to 50 

 pounds of milk daily, which amount increased the average yield, 



