96 Expences and Profits of a Dairy, 



In the above estimate, I suppose all the sustenance of 

 the pigs to proceed from the dairy, as any other food 

 their dams had, is supposed not to exceed the amount 

 of pigs used by the family, and of those sold alive : it is 

 lilcewise supposed that one half the food of the other 

 swine, consisted of the ofial of the dairy. The calves 

 were sold on the spot. The item of the family milk is 

 founded on a supposition, that it would take three cows 

 to give milk to a family of ten persons, a considerable 

 proportion of which are children. It is also to be re- 

 marked, that in the autumn months of part of the years 

 included in the calculation, there were some persons 

 added to the family, in consequence of the epidemic 

 fever, prevalent in the city of Philadelphia, and who 

 caused a diminution in the quantity of butter sold. It 

 is difficult to estimate the expences. The interest is 

 founded upon a supposition that each cow costs thirty 

 dollars ; and the winter keep is set down as equal to her 

 full value. The dairy is supposed to be managed by 

 a man and woman, who are thought fully equal to the 



