34 Report or DEPARTMENT OF ANIMAL HUSBANDRY OF THE 
After feeding at this rate for a week the fat was diminished at 
the same rate as it had been increased by gradually substitut- 
ing rice meal and extracted corn meal for normal corn meal 
and the ground flaxseed. The purpose of these changes was to 
note the effect of the supply of fat upon milk secretion and pro- 
tein exchange. 
Cow 2.—This cow, whose rate of yield was over 2 lbs. of but- 
ter per day, was fed essentially the same mixture aS was given 
to the whole Station herd. 
RATION OF Cow 2, 
Alfalfa, WAV sites vue a iednth on 6 Ibs.* Wheat: Drain kages eee eee --- 414 lbs. 
TTY: BELA pe yee cre a wintn wre aah ah 40 lbs.” Malt Sproute o...5c ass se wee 2% lbs. 
Sucarubeets tes ese. tacs ae . 10 lbs. sLinseed }mening,.. Siftesheas 2% lbs. 
This ration was accurately weighed from March 29th to April 
18th inclusive, and during the last four days of this time the 
necessary observations were made in the collection of excreta 
and weighing of milk. 
The quantities of each constituent of the rations which were 
consumed during the various periods, expressed in grams and 
so arranged as to easily trace the changes, are shown in the 
succeeding table: 
