THIRTY-SEVENTH ANNUAL CONVENTION. 



257 



themselves were weighed once a week throughout the experi- 

 ment. 



Results. 



The result obtained from the individual cows during the 

 different periods are presented in the following table : 



TABLE I. — Showing Milk, Butterfat Test and Butterfat Yield and 



Live Weight. 



PERIOD 



MILK 



Butter-fat 

 -Per 

 Cent 



Butter-fat 

 lbs. 



Av' age 

 weight 

 of cows 

 —lbs. 





I Narrow ration 



560.8 

 522.0 

 491.0 



5.1 

 4.5 



4.8 



28.6 

 23.4 

 23.5 



756 



1 



II Medium ration 



762 







771 











I. Narrow ration 



622.9 

 645.8 

 561.4 



5.6 

 5.5 



5.7 



34.8 

 35.5 

 39.1 



837 



2 



II. Medium ration 



837 





III. Narrow ration 



835 











I Narrow ration 



857.8 

 753.9 

 752.6 



4.4 

 4.3 

 4.5 



37.7 

 32.4 

 33.8 



702 



3 



II. Medium ration 



691 





III. Narrow ration 



674 











I. Narrow ration 



555.5 

 467.1 

 433.1 



5.4 

 4.6 



5.4 



29.9 

 21.3 

 23.3 



788 



4 



II. Medium ration 



781 





III. Narrow ration 



782 











I. Narrow ration 



761.9 

 696.2 

 675.7 



4.0 

 4.0 

 4.1 



30.4 



27.8 

 27.7 



932 



5 



II. Medium ration 



900 





III. Narrow ration 



897 











I. Narrow ration 



455.7 

 407.0 

 354.0 



5.8 

 5.9 

 5.9 



26.4 



24.0 

 20.8 



856 



6 



II. Medium ration 



852 





III. Narrow ration 



865 











I. Narrow ration 



432.1 

 405.1 



380.8 



4.6 

 4.5 

 4.9 



19.8 

 18.2 

 18.6 



748 



7 



II. Medium ration 



744 





III. Narrow ration 



748 











I. Narrow ration 



701.6 

 570.2 

 630.7 



4.3 

 4.1 

 4.1 



30.1 

 23.4 

 25.8 



1004 



8 



II. Medium ration. . 



1013 





III. Narrow ration 



1021 









