9 2 



TABLE I. 



THE METHOD OF THE EXPERIMENT. 



The experiment was commenced on May 25, at which time the 

 cows were turned from winter feed into a rich pasture and the 

 grain feed entirely taken away from lot I. Lot II continued to 

 receive a grain ration the same in amount and character as they 

 had been getting during the winter and spring on dry feed. It 

 was made up of a mixture of 200 pounds of wheat bran, 150 

 pounds of cotton seed meal, and 15 pounds of malt sprouts. Of 

 this mixture, cows Nos. 1 and 2 ate nine pounds each per day, 

 and cow No. 3 six pounds per day at two equal feeds, morning 

 and night when they were brought into the stable to be milked. 



The experiments of 1889 were not commenced until June 8 at 

 which time the cows had been for some weeks on pasture with a 

 light grain ration. This ration was taken away from lot I and 

 was continued with lot II. The difference in feeding in the two 

 years was therefore as follows : In 1890 the grain-fed lot (Lot II) 

 received a grain ration the same in amount and character on dry 

 feed and on pasture continuously, and the pasture-fed lot (Lot I) 

 had their entire grain ration suddenly taken away at the time of 

 going on grass. In 1889 the grain-fed lot (Lot II) received much 

 less per day than had been fed during the winter on dry feed, 

 while lot I had for several weeks received the light summer ration 

 of grain before their grain feed was entirely taken away. 



The pasture, the same one as was used in 1889, was almost en- 

 tirely blue grass on a dry gravelly upland soil. Up to about the 

 20th of July the pasture was rich and luxuriant ; from then till 

 about the 20th of August a very severe drought prevailed and the 

 pasture was supplemented with second growth clover scattered to 

 the whole herd each day. After the 20th of August, frequent 

 rains restored the luxuriance of the pasture. 



The cows were milked at about half past four in the morning, 

 and about half past three in the afternoon, and the milk weighed 



