1 dairy farm 
CHAPTER XV 
DAIRY ARITHMETIC 
80 acres of cleared land=20 acres hay 
The above farm 
will support 
Or 
The Farm 
= 8o acres of cleared land 
=30 tons hay 
= 10 acres corn = 100 tons ensilage 
= 40 acres pasture = 40 tons green feed 
= 10 acres other crops 
The Cows 
20 extra cows, using 40 per 
cent of their feed for body 
building, and 60 per cent 
for milk 
27 fair cows, using 50 per 
cent of their feed for body 
building, and 50 per cent 
for milk 
35 poor cows, using 60 per 
cent of their feed for body 
building, and 4o per cent 
for milk 
producing 8500 lb. 
milk per year 
each. 
producing 5500 lb. 
milk per year 
each. 
producing 3000 lb. 
mill per year 
each. 
With hay at $15.00 per ton on the farm, ensilage 
and green feed at $5.00 per ton, and grain at 
128 
