274 AGRICULTURE 



between the best and the poorest cow iii almost any herd 

 is surprising. This difference is well shown in the fol- 

 lowing record of fifteen cows for one year in an Illinois 

 herd: 



No. Lb. Lb. Per cent, 



cow milk fat fat Profit Loss 



1 1204 49 4.07 $27.52 



2 1236 50 4.05 27.20 



3 2944 88 2.99 15.17 



4 2597 91 3.50 15.38 



5 2548 98 3.85 13.18 



6 2475 99 4.00 13.18 



7 2569 105 4.09 10.98 



: 8 3164 117 3.70 8.37 



9 2829 123 4.34 8.67 



10 3380 149 4.41 1.58 



$28.84 $141.23 

 28.84 



Loss $112.39 



'Av. 3147 124 3.94 $ 7.49 



Difference in profit between best and poorest cow, $37.73 



This was an exceptionally poor herd, so poor that it 

 lost the owner $112.39 for the year an average loss of 

 $7.49 per cow. Either of the two poorest cows lost almost 

 as much as the best five made their owner. Even the best 

 cow of this herd is poor enough, but there is a difference 



