1896.] 



PUBLIC DOCUMENT — Xo. 33. 



63 



excepting the two gluten meals remained constant during the 

 experiment. The data will be found in Table I. The fol- 

 lowing method was employed to overcome the natural milk 

 shrinkage. The cows were divided into two lots. During 

 the first period cows I. and III. received the King meal, at 

 the same time cows IV. and VI. were receiving the Chicago 

 meal ; during the second period this order was reversed. 

 This experiment was in operation during June, 1894. The 

 cows were allowed the run of the barn-yard during the day, 

 and so far as possible all conditions were identical during 

 the entire time. 



Table I. 



Table II. — Average Yield and Cost of Milk. 



Comments on the Results. 



Table I. shows that the cows consumed the same amount 

 of digestible matter daily in each period. 



Table II. shows that the daily yield of milk and the cost 

 per quart were practically identical in each period. 



The Chicago meal was in its usual good condition. In 

 spite of the fact that the King meal contained nearly 20 per 



