104 Report of Drpartmknt of Animai, IIusjjanduy of tiik 



Table XXVII.— An Increase ov Protein and op Total Nutkifnts. 



Average of 134 rec- 

 ords from cows 

 averaginp; 4.9 

 yrs. old and 5.0 

 montba in milk. 



Before 

 After 



to 

 a 



e3 

 V 



<s> 

 o 



39 b 

 >-. <o 



a 

 cs "3 Before 



^ s 



o 



Cti After 



Per 1000 Lbs. Live Wkioht. 



Total 

 dlKest- 

 Ible or- 



gaulc 

 matter. 



LbK. 

 14.5 



16.2 



Fat In 



milk. 



Per ct. 

 4.0 



4.0 



Digest- 

 ible 

 pro- 

 tein. 



Lbs. 



2.0.3 

 2.42 



Fuel 

 value. 



28,734 

 32,479 



Nutri- 

 tive 

 ratio. 



1;6.9 

 1:6.5 



AVERAOE Per 

 Dat Pbe Cow. 



Milk 

 yield. 



Lbs. 



22.8 

 22.8 



Fat In 

 mllfe. 



Lbs. 



.91 

 -91 



Dry 



matter In 



food for 



one lb.. 



of milk 



solids. 



Lbs. 

 7.0 



7.8 



Digest- 

 ible dry 

 matter In 

 food fi.r 

 each lb. 

 of milk 

 BOlid.s. 



Lbs. 



4.5 

 5.1 



AN INCREASE OF PROTEIN WITH SOME REDUCTION OF THE) TOTAL 



NUTRIENTS. 



The average data from 74 records when the change in ration 

 was of this character are found in the following table. The 

 milk yield diminished somewhat faster than it normally should. 

 From nearly a pound per day the average rate of gain in live 

 weight fell off to less than one-half pound per day. 



