EXPERIMENT STATION BULLETINS. 



29] 



Name. 



Halo. 



Milia 

 Halo. 

 Milla 

 Halo. 

 Milla 



OS 



lbs. 

 4.67 

 6.22 

 4.86 

 6.36 

 2.91 

 3.88 



I 



a 



a 



►< 

 a> 



OB 



09 



lbs. 

 62.87 

 83.81 

 62.24 

 81.34 

 44.12 

 58.56 



These tables show a remarkable uniformity in the consumption of dry 

 matter. In Period I it was on the average 24.71, in Period II 24.13 and in 

 Period III 24.65 pounds per day per thousand pounds live weight, a 

 variation of only .58 of a pound. 



The weight of Halo remained constant at 741.6 pounds during the first 

 period, dropped to 733.6 during the second and to 722 during the third. 

 That of Milla shrank from 939.6 to 913.3 during the first period, increased 

 in the intermediate period to 952.3, dropped again to 922.3 during the 

 second period, and gained from 932 to 937 during the third period. A 

 record was made of the amount of water drunk each day, and these 

 fluctuations in weight were due in the most part to the variations in 

 the amount of water drunk. In only one instance was there a striking 

 variation in weight which could not be accounted for. and that was the 

 loss of 30 pounds on the part of Milla in Period III, and even in this case 

 it was noted that the cow drank more than 30 pounds more water on the 

 day of the beginning of that period than on the day of its close. 



It is evident that the parts of the food which passed through the 

 system undigested and appearing in the dung should be subtracted from 

 the whole amount of that constituent fed in order to determine the 

 amount of it absorbed into the system and utilized by the animal. Hence 

 in the following table there is contrasted the amounts of dry matter, of 

 ash and of each of the nutrients consumed by each cow in each period, 

 and the amounts of each that appear in the dung of each cow for each 

 period. The differences will give the pounds digested. This is done 

 in the following table; in which, since Period III lasted but four days, the 

 figures for that period are multiplied by one and a half, the more readily 

 to compare with the figures for the other periods, which were one and one 

 half times as long. 



