112 Report or Department or ANIMAL I] USBANDRY OF THE 
TABLE XXXIV.—A REDUCTION OF PROTEIN WITH SOME INCREASE OF TOTAL 
NUTRIENTS. 

Average of 58 rec- 
ords from cows 
averaging 5.0 
yrs. old and 5.2 
months in milk. 
For about 18 days before change 
and 15 days after. 
Before 
After 

PER 1000 LBs 
Total 
. LIVE WEIGHT. 
AVERAGE PRR 
Day PER Cow. 

; Digest- 
aed ible | Fuel | N eek Milk | Fatin 
ganic pros value. railo, yield. milk, 
matter. < 
Lbs, Lbs. Cal. Lbs. Lbs. 
14.6 2.56 |29,211) 1:5.5 | 22.6 -93 
16.1 2.16 82,191 Liz | 22.4 -90 
Approxi- Dry Dry Digest- 
mate cost | matter | matter in | ble dry 
Fat in| offood | infood | food for pen 6 a 
milk. for one | for one] one lb, Bead ae 
Be ne Ib. of | of mili) | (GAG Rs 
milk. milk. solids. solids. 
Per ct Cts. Lbs. Lbs. Lbs. 
4.1 -67 1.0 7.4 4.7 
4.0 -70 1 8.0 5.2 

A REDUCTION OF PROTEIN AND OF THE TOTAL NUTRIENTS. 
The average data from 139 records when both the protein and 
total nutrients were reduced follow in Table XXXV. The milk 
yield fell off at a rate about twice as fast as the normal one. 
There was a moderate increase in live weight before the change 
of ration and none afterward. 
