FARM ANIMALS. 



135 



compared with a dry fodder ration for dairy cows. 

 Those receiving silage produced 2,276.2 pounds of milk 

 which contained 86.15 pounds of fat, while those fed dry 

 fodder ration produced 2,017.9 pounds of milk which 

 contained 78.02 pounds of fat. What was the per cent 

 of increase of milk of the silage ration over the dry fod- 

 der ration ? The per cent increase of butter fat of silage 

 over dry fodder ration ? 



JERSEY Cow SHOWING DAIRY TYPE. 



444. When this increase is obtained for a herd of 25 

 cows that average 300 pounds of butter fat per year, 

 what is the value of the increased product, butter being 

 sold at 25 cents per pound? 



445. At the Maine Experiment Station 4 cows were 

 fed rations that included (1) hay, (2) hay and silage; the 

 total yields of milk were as follows : 



On hay, 



On silage and hay, 



1,12 pounds 

 1,294 pounds 



