Appendix table IV 7. Marginal value products for selected resources with high 

 quality cows, $4.00 price of milk, various ratios of cows to cropland 

 and with and without sales of hay. 



Item 



.in 



Ratio of cows to cropland 



.15 



.20 



.25 



.30 



.35 



.40 



Cropland ($;'aere) 



Dairy cow ($/h(>ad) 



Replacement ($/each) 



Buy hay (f/ton) 



Sell hay ($/'ton) 



Marginal return 

 over feed co.sts 

 ($/cow) 



Marginal rate of 

 substitution of 

 cows for crophuui 



22 20 20 20 24 47 55 



7f) 67 50 40 41 25 



320 320 320 320 320 320 340 



13 13 14 14 15 20 21 



27 27 27 27 27 37 41 



244 240 



3.5 



236 230 223 107 147 



-3.4 -3.0 



-1.7 —0.53 



Cropland ($/acre) 



Dairy cow ($/head) 



Replacement ($/each) 



Buy hay ($/ton) 



Sell hay ($/ton) 



Marginal return 

 over feed costs 

 ($/cow) 



Marginal rate of 

 substitution of 

 cows for cropland 





 97 



Hay sales prohibited 





 97 







315 3i; 



I 

 51 



15 



270 



Iti 



2 70 



I 

 51 



47 



320 320 320 320 320 320 

 5 5 11 12 12 2(1 



IG 



;69 IPm 







340 

 21 

 41 



147 



—12.4 —7.5 —7.2 —0.53 



81 



