418 



Feeds and 



The amount of milk and fat produced was practically the same for 

 both rations, showing the high value of crimson clover hay and cow- 

 pea silage as sources of protein for dairy cows. 



678. Cowpea hay.— At the New Jersey Station^ Lane alternately 

 fed 2 lots of 2 cows each rations containing either cowpea hay or rich 

 purchased concentrates for periods of 15 days, with the results shown 

 in the table: 



Cowpea Tiaij compared xviih purchased protein. 



Tho 2 lbs. more milk and 0.13 lb. more fat were produced by each 

 cow daily on the ration containing purchased concentrates, this in- 

 crease was not sufficient to offset the greater cost of the purchased 

 feed. (261) 



679. Cowpea hay v. wheat bran. — At the Alabama Station- Dug- 

 gar fed 2 lots of 3 cows each cotton-seed hulls and a basal ration of 2 

 parts cotton seed and 1 part each of wheat bran and cotton-seed meal. 

 In addition the cows in Lot I received cowpea hay and those in Lot 

 II wheat bran with the results shown below : 



Cowpea hay compared with wheat hran. 



In this trial the cows getting the cowpea hay averaged 1.3 lbs. 

 more milk daily than those fed wheat bran, showing that where there 

 is a fair supply of rich concentrates it is more economical to com- 



Bul. 174. 



■ Bui. 123. 



