58 AGRICULTURAL EXPERIMENT STATION. [Jan. 



quarts of the Bufftilo gluten feed or 2 quarts of any of the 

 others should enter into any one daily grain ration during 

 the summer months. 



While 2.5 pounds or more of protein have been shown to 

 be economical in the present experiment, the writer believes, 

 with Wolff, that it is also necessary to keep uj) the flovj of 

 milk for the longest possible time. The demands upon the 

 cow that produces 10 to 12 quarts of milk daily are severe, 

 and she must be well supplied with sufficient digestible pro- 

 tein to meet these demands. 



I 



