32 
BULLETIN 501, T7. S. DEPARTMENT OF AGRICULTURE. 
a better one. In these particular herds for every 7,000-pound cow- 
that displaced a 3,000-pound cow there was an annual gain of over 
$40, while for every 8,000-pound cow which displaced a 7,000-pound 
cow there was a gain of about $5. From the foregoing it will be 
seen that the dairyman with limited capital need not be discouraged, 
as it is practicable for him to build up a highly productive and 
profitable herd. 
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YIELD OF 
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I 34 5 6 7 8 9 
THOU SANDS 
Fig. 8.— Data from the four farms and from Connecticut (Storrs) Agricultural Experiment Station. 
Upper: Relation between feed cost per 100 pounds of milk and production per cow. Lower: Relation 
between feed cost per cow and production per cow. 
