126 



Pork Production 



The figures are based largely on experience in handling 

 sows under these conditions. One pound of concentrated 

 feed used in these calculations is equivalent to 1 feed 

 unit. (See page 61.) 



TABLE XXIX. COST OF MAINTAINING MATURE OPEN Sow 

 6 MONTHS DURING SUMMER 



Open mature sows. 



The cost of maintaining an open mature sow during 

 the six months following the time her spring litter is 

 weaned will depend chiefly on the charges made for pasture 

 and forage crops. It is believed that the figures shown 

 in Table XXIX are a fair approximation of the average 

 costs under different conditions. The figures are for sows 



