112 Keport of Dbpartmemt of Animal Husbandry of the 



Table XXXIV. — A Reduction of Protein with Some Increase of Total 



Nutrients. 



Average of 58 rec- 

 oids from cows 

 averaging 5.0 

 yrs. old and 5.2 

 uionlbs iu milk. 



be 

 a 



c: 

 « 



■a M 



CD P>» 



.a 



c3 

 O 



Boforo 

 After 



Before 

 After 



Per 1000 Lbs. Live Weight. 



Total 

 digest- 

 ible or- 

 ganic 

 matter. 



Lbs. 

 14.6 



16.1 



Digest- 

 ible 

 pro- 

 tein. 



Lbs. 



2 56 

 2.16 



Fuel 

 value. 



Cal. 

 29,211 



32,191 



Nutri- 

 tive 

 ratio. 



1:5.5 

 1:7.2 



AVEHAOE Per 

 Day Per Cow. 



MIIli 

 yield. 



Lbs. 

 22.6 



22.4 



Fat In 

 milk. 



Lbs. 



.93 

 .90 



Dry 



matter in 



food for 



one lb. 



of millc 



solids. 



Lbs. 



7.4 

 8.0 



Digest- 

 ible dry 

 matter in 

 food for 

 eacli lb. 

 of milk 

 solid*. 



Lbs. 



4.7 



6.2 



A REiDUCTION OF PROTEIN AND OF THE TOTAL NUTRIEINTS. 



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. 



