354 Pork Prodtiction 



(e) Interest, depreciation, and insurance on gen- 

 eral equipment for four years $24.00 



(/) Four service fees 8.00 



(g) Labor for four years 40.00 



Total feed plus other costs of four litters at weaning 



time 190.00 



IX. Value of sow for pork (425 lb. @ $8.78 per cwt. 



minus cost of 75 lb. gain ® $7.87 per cwt.) . . 31.40 

 Total cost each weaned litter produced by mature 



sow raising one litter annually 39.65 



The total cost of each weaned pig would, therefore, 



be as follows : 



1. With 5 pigs raised to the litter 7.93 



2. " 6 " " " " " 6.61 



3. " 7 " " " " " 5.66 



4. " 8 " " " " " 4.96 



C 

 When Produced by Mature Sows Kept until Four Years 

 Old and Yielding Three Litters Every Two Years 

 AFTER Maturity (Total of 5 Litters). After Wean- 

 ing Her Fifth Litter She is Fattened and Sold for Pork 

 I. Feed cost of raising the sow pig to breeding age 



(35-200 lb.) $9.45 



II. Cost of feeding gilt from breeding to farrowing 



time 8.50 



III. Cost of feeding the sow (gilt) and nursing litter . 10.70 

 rV. Cost of feeding open yearling sow six months dur- 

 ing summer 6.00 



■ V. Cost of feeding pregnant sow during three winters 24.07 

 VI. Cost of feeding pregnant sow during one summer 

 (76 feed units or pounds of concentrates at l|fi 



per lb. plus $3.00 pasture charge) 4.14 



VII. Cost of feeding sow and four nursing litters (3170 

 feed units or pounds of concentrates @ lii per 



lb.) 47.55 



VIII. Cost of maintaining open sow during one summer 

 of six mo. (49 feed units or pounds of concen- 

 trates @ 1|^ per lb. plus $3.00 forage charge) . 3.73 

 IX. Other costs of raising and maintaining brood sow 

 four years : 



(a) Charge for sow pig (estimated) 5.00 



(6) Four years interest on average value of sow 



($40 @ 5%) 8.00 



