EXPERIMENT STATION BULLETINS. 



185 



Cows consumed 77 pounds of the mixture, corn 4, oats 4, bran 2, per 

 week. 

 Corn and oats contained 90.64% Dry Matter. 



Comparison of the amounts fed with the 

 droppings on water-free basis, shows a marl^ed 

 loss — 26.46% of the corn and oats fed passed 

 unmasticated, 22.75% of the corn, and only 

 smaller percentage of oats may be accounted 

 a small amount was lost in washing. Why 

 percentage left with the ration of corn, oats 

 corn or oats above, is difficult to explain. 



amounts washed from the 



difference in percentage of 



through the digestive tract 



12.06% of the oats. The 

 for partly by the fact that 



there should be a larger 

 and bran than with either 



Illustration No. 1. 



Illustration No. 1 shows the amount of whole oats consumed by each 

 cow in 7 days and the amount excreted unmasticated and undigested. 

 Illustration No. 2 shows the amount of whole corn, whole oats and 

 bran consumed by each cow in 7 days and the amount of whole corn 

 and whole oats excreted unmasticated and undigested. Illustration 

 No. 3 shows the amount of whole corn consumed by each cow in 7 days 

 and the amount excreted unmasticated and undigested. 

 24 



