24 BOARD OF AGRICULTURE. 



(2.) These tliirteen cows are the same as were in the last trial, and 

 they gave, in this twenty days, four thousand four hundred and 

 ninety-seven pounds of milk, and have consumed, in this twenty days, 



2,743 pounds of meadow hay, at $9 00 the ton, . . $12 34 



2,743 " corn fodder, at 7 00 " . . 9 60 



1,300 " cob meal, at 01.4 the pound, . 18 20 



. G,500 " carrots, at 00.5 " . 32 50 



Cost of food consumed in 20 days by these 13 cows, $72 64 



Cost of milk the pound, a fraction over 1.619 cents, or 16.19 cents 

 the gallon of ten pounds. 



(3.) In this trial there were fourteen cows, thirteen the same that 

 were in the last trial, and one new milch cow, eighteen days after 

 parturition. The fourteen gave, in twenty days, four thousand seven 

 hundred and twenty-seven pounds of milk, and consumed, in the same 

 twenty days, 



2,698 pounds of meadow hay, at $9 00 the ton, . 

 2,698 " corn fodder, at 7 00 " 



1,820 " cob meal, at 01.4 the pound, 



2,800 " carrots, at 00.5 



Cost of food consumed in 20 days by these 14 cows, . $61 06 



Cost of milk the pound, a fraction less than 1.291 cents the pound, 

 or 12. 91. cents the gallon often pounds. 



(4.) In this trial were fifteen cows, fourteen the same that were in 

 the last trial, and one new milch cow, thirty-eight days from calving. 

 The fifteen gave, in twenty days, four thousand five hundred and 

 forty-three pounds of milk, and consumed, in the same time, 



4,906 pounds of meadow hay, at $9 00 the ton, . . $22 07 

 1,920 " cob meal, at 01.40 the pound, . 26 88 



Cost of food consumed in 20 days by these 15 cows, . $48 95 



Cost of milk the pound, a fraction less than 1.077 cents, or 10.77 

 cents the gallon of ten pounds. 



The meadow hay grown upon the farm, and fed to the cows in 

 these trials, contains, by analysis made by Professor Horsford, only 

 one-third the nutritive value of good upland hay, by this test is worth 

 for feeding only about five dollars the ton, instead of nine, as esti- 

 mated by the committee. 



