18 
BULLETIN 501, U. S. DEPARTMENT OF AGRICULTURE. 
These charts are constructed on the basis of cost per cow after de- 
ducting, pro rata, the credit for value of manure, calf, etc. 
WISCONSIN 
FARM ~" 
MICHIGAN 
FARM 
PENNSYVANIA 
FARM 
NORTH CAROLINA 
FARM 
Fig. 4.— Relative importance of each item in the cost of producing 100 pounds of milk 
on each of the four farms. 
The four dairy herds in question are well managed, and it is safe 
to say the production per cow for each is above the average of the 
dairy herds of its community. 
Table XI. — Yearly cost per cow, production per cow, and cost per unit of production 
on each of the four farms. 
Average per cow. Cost per unit of product. 
Farm. 
Total 
cost. 
Credit 
other 
than 
milk. 
Net 
cost. 
Yield. Milk. J *£*■ 
Mntl^jg" 
~ & 
Quart. 
Found. 
S101. 61 
L25. !•"» 
103. 12 
127. 76 
$21. 75 
20. 33 
12.27 
16.81 
S79. 86 
105. 12 
90. 85 
110. 95 
Pounds. 
5,240 
6, 536 
5,053 
5,142 
Pounds. 
256 
293 
207 
SI. 52 
1.61 
1.S0 
2.16 
SI. 31 
1. 38 
1. 55 
1.S6 
Cents. 
3.28 
3. 46 
3. 87 
4.64 
Cents. 
31.2 
Michigan 
35.9 
49.8 
The data compiled in this table are for the same years as those averaged in Table I. 
