88 THE CORN LADY 



ton of clover hay. This amount should feed a cow for 

 75 days. At present prices, what will be the cost of 

 supplying this ration for 225 days and pasturing the 

 cow the balance of the year at $1.50 per month? 



2. Allowing that the labor cost is 50 cents per 

 week per cow, what is the total cost of the cow's keep 

 for a year ? What is the cost per month ? Per week ? 



3. If butter fat is worth 25 cents per pound, how 

 many pounds must each cow produce per year to 

 balance the expense of her keep? How much per 

 month ? Per week ? 



4. A cow gives 3 ^ gallons of milk per day 

 (weight 8% pounds per gallon). If the milk tests 

 4.8 per cent, how much butter fat does she yield per 

 week? Per month? 



5. If the milk tests 2.8 butter fat, what is the 

 yield per week ? Per month ? 



6. Of two cows, one gives 3 gallons of milk per 

 day, testing 2.8 per cent butter fat, the other gives 2 

 gallons per day, testing 4.8 per cent butter fat. Which 

 cow is the most profitable? How much more per 

 month ? 



7. Allowing that the labor cost is about the same 

 under each method, which would pay best, to sell milk 

 at 5 cents per quart or butter fat at 25 cents per 

 pound, if the milk tests 4 per cent ? 



8. If you allow that after taking out the butter 

 fat the sweet skim milk is worth 5 cents a gallon to 

 feed to pigs, which plan will pay best? 



