80 
Report or DEPARTMENT OF ANIMAL HUSBANDRY OF THE 
TABLE VIII.—Tur AMOUNT OF NUTRIENTS BELOW 15.5 LBs. BUT LITTLE 
CHANGED: 


Average of 84 rec- 
ords from cows 
averaving 4.2 yrs. 
old aud 6.1 months 
in milk, 
Per 1000 Les. LIVE WEIGHT. 

AVERAGE PER 
Day PER Cow. 


Total ; 
_ | Digest- y 
digest: | “ible | Fuel | Mtl | mim | Fatin 
ganic pro- value. ratio. yield. milk, 
tein 
matter. 5 
Lbs. Lbs. Cal. Lbs. Lbs. 
& Before | 14.6 2.05 |29,072} 1:7.0 | 20.2 .87 
= 
3 
< After 14.7 2.04 |29,209] 1:7.0 | 19.9 -83 
2 = 
=) 
SH - 
Ss _ Approxi- Dry Dry ible ary 
5 mate cost | matter | matter in matter ad 
2S Fat in of food | in food | food for teontar 
23 milk forone | forone | one lb. each Ib 
OS! 5 lb. of lb. of of milk of milk 
~ b> milk, milk. solids. solida. 
mo 
| 
= a a a 
Om 
Bed Per ct. Cts. Lbs. Lbs. Lbs. 
= Before| 4.3 75 1D 7.5 4.9 
Cc 
4 After | 4.2 | 15 1.7 5.1 
AN INCREASE IN THD AMOUNT OF NUTRIENTS WITH BUT LITTLD 
CHANGE IN PROTEIN. 
The average of 73 records which cover periods when this 
change in the ration was made is shown in the following table. 
No shrinkage in milk flow followed, on the average, but instead 
a very slight increase. 
There was a little loss in live weight 
before the change and a good average rate of gain afterward. 
