206 



IH ;NOIS DAIRYMEN'S ASSOCIATION. 



had a nutritive ration 1:7.3, and since the cows yielded 25 pounds more 

 milk when fed on the ration containing the least protein it follows that 

 when the cows were on the wheat ration they received more protein than 

 they needed and that 2.01 pounds of protein daily was more than was 

 actually needed when they gave 26.96 pounds of milk daily, testing 4.1 per 

 cent fat. The cow Betty aborted in the summer and Dora was as near 

 the close of her period of lactation and Beckley, Tricksey and Quidee were 

 heifers. 



Table XII. — Giving Weight of Cows, Protein in Daily Ration, Yield of Milk, 



Per Cent Fat and Protein to One Pound of Milk from November 



19, 1894, to February 10, 1895—84 Days. 



NAME 



Weight 



{Protein 

 Daily 



Protein 



for 

 Mainten- 

 ance 



Protein 



for 

 Product 



Yield 



of 

 Milk 



Per 

 Cent 

 Fat 



Lbs. 

 870 

 877 

 839 

 733 

 918 

 . . 1063 

 794 



Topsy 1170 



Lou 1143 



Quidee 830 



Lydia 1048 



Countess 1169 



Betty . . 

 Dora . . . 

 Beckley 

 Tricksey 

 Houston 

 Sweet B. 

 Olive ... 



Protein 



to 1 lb. 



Milk 



Lbs. 



Lbs. 



Lbs. 



Lbs. 





Lbs. 



1.70 



.61 



1.09 



10.03 



6.7 



.109 



1.87 



.61 



1.25 



15.02 



6.1 



.083 



1.63 



.59 



1.04 



13.44 



5.6 



.077 



1.70 



.51 



1.19 



16.78 



4.9 



.071 



1.98 



.64 



1.34 



25.00 



5.6 



.053 



2.25 



.74 



1.51 



30.81 



4.8 



.049 



1.63 



.55 



1.08 



27.26 



3. 



.039 



2.64 



.82 



1.82 



44.39 



3.7 



.041 



2.14 



.8.0 



1.34 



38.01 



3.7 



.035 



1.90 



.58 



1.82 



25.55 



3.5 



.045 



2.39 



.73 



1.66 



32.02 



3.4 



052 



2.38 



.82 



1.56 



45.27 



2.4 



.034 



Average . . . 



954 



2.01 



.66 



1.35 



26.96 



4.1 



.050 



♦Average . . 



970 



2.06 



.68 



1.38 



29.85 



3.9 



.046 



* Without Betty and Dora. 



The foregoing table gives the average weight of each cow during the 

 experiment, the amount of protein consumed by each daily, the calcu- 

 lated amount needed daily for maintenance of body, the amount of pro- 

 tein available daily for production, the milk yielded by each, the average 

 per cent fat and the amount of protein to a pound of milk. It will be seen 

 that only the two cows, Betty and Dora, used protein in excess of the 

 Wolff-Lehmann standard, while the two heifers, Beckley and Tricksey, 



