358 ILLINOIS STATE DAIRYMEN'S ASSOCIATION 



Applied and Misapplied Energy. 



To illustrate the vast difference in earning power of cows, a 

 few examples of Illinois herds tested by the Experiment Station, 

 showing the production and profit or loss from each individual 

 cow, computed according to lUinois Agricultural Experimental 

 Station Circular 134, are here given. 



A Hoodoo Herd Losing Money Every Day. 



The following herd of 15 cows is phenomenal in the pro- 

 portion of those on the losing side of the account, and also in the 

 excessive loss on many of them. Either one of the two poorest 

 cows lost the owner almost as much money as was made by all 

 the cows on the credit side of the account. 



Herd No. 1- 



No. Lb. Lb. Percent 



cow milk fat fat 



Profit Loss 



49 4.07 $27.52 



50 4.05 27.20 

 88 2.99 15.17 

 91 3.50 15.38 



98 3.85 13.18 



99 4.00 13.18 

 105 4.09 10.98 

 117 3.70 8.37 

 123 4.34 8.67 

 149 4.41 1.58 

 158 3.45 $1.41 



174 4.20 3.41 



177 4.31 5.41 



191 3.82 8.40 



200 4.51 10.21 



1 



1204 



2 



1236 



3 



2944 



4 



2597 



5 



2548 



6 



2475 



7 



2569 



8 



3164 



9 



2829 



10 



3380 



11 



4582 



12 



4146 



13 



4103 



14 



4993 



15 



4435 



$28.84 $141.23 



28.84 



$112.39 

 Av. 3147 124 3.94 7.49 



Difference in profit between best and poorest cow, $37.73. 



