64 



MAIXE AGRICULTURAL KX THRI M KNT STATION. 



1903. 



amount of work. These six animals were j^raduallv changed 

 from the oil meal mixture to the Fourex mixture, and after 22 

 days on this were .q:radually chanp^ed back to the oil meal ration. 



The. yields of milk on the oil meal ration for 11 days prior to 

 the change to Fourex, and another 1 1 days yi-elds after the return 

 to the oil meal ration are compared in the table with 22 days in 

 which the mixture was fed. 



The table shows the milk yield of 6 cows for 22 days on oil meal 

 and Fourex rations. The hay and silage fed was the same in all 

 periods. Sufficient wheat bran was used with the oil meals and 

 the Fourex to make a grain ration carrying 30 per cent total 

 protein. The same weight of grain mixture was fed in all the 

 periods. 





Kind of Grain Mixture and Periods of Milk. 



Cows used In test. 



Oil Meal. 



Fourex. 





1st period, 

 11 days. 



3d period, 

 11 days. 



Total, 

 22 days. 



2d period; 

 22 days. 



Rothalie, Jersey 



Acldie 4, -Jersey 



Guernsey 



lbs. 

 198.0 



209.1 



222.0 



242.9 



304.1 



275.2 



lbs. 

 205.5 



203.1 



209.8 



222.2 



301.6 



285.7 



lbs. 

 403.5 



412.2 



431.8 



465.1 



605.7 



560.9 



lbs. 



427.5 



428.0 



440.3 



472.3 





627.5 





594.2 













2,879.2 



2,989.8 











It will be noted that the cows more than maintained their milk 

 yield with the Fourex. The slight increase of no pounds with 

 six cows in 22 days or less than a pound of milk per cow per 

 day does not prove that Fourex is better food for milk produc- 

 tion than the oil meals, as such small variations constantly arise 

 from causes outside of the feed. For example, Rothalie and Fan 

 gave nearly a pound a day more milk in the third than in the 

 first period, and this on the same ration and when they w^ere a 

 month farther advanced in lactation. 



