Appendix table IV 6. Marginal value products for selected resources with 

 medium quality cows, $6.00 price of milk, various ratios of cows to 

 cropland and with and without sales of hay. 



Item 



Ratio of cows to cropland 



.10 .15 



.20 



.30 .35 .40 .45 .50 .55 .60 



Cropland ($;/acve) 



Dairy cow ($/head) 



Rpplncenient (if /each) 



Buy hay {$/tnn) 



Sell hay ($/ton) 



Marginal return 

 over feed costs 

 ($/cow) 



Marginal rate of 

 substitution of 

 cows for cropland 



Hay sales at $27.00 per ton 



22 20 20 20 20 24 47 49 107 135 145 



240 232 224 212 212 20s 100 IfiS 70 19 



:!20 320 320 320 ::.Mi ;;20 :120 350 350 350 350 



13 13 14 14 14 15 20 22 32 38 40 



27 27 27 27 27 27 37 44 08 82 87 



403 405 402 401 



402 391 341 315 220 169 150 



11.0 —11.6 11.4 —10.7 10,7 -f^.A —4.3 —2.8 -0.65 —0.14 



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 











Hay sales proliiliitod 







r 16 47 .-)9 107 135 145 



252 252 243 213 213 211 199 165 70 10 



320 320 320 320 320 320 320 350 350 350 350 



12 13 20 ■2'2 32 38 40 



16 23 :;7 44 68 82 87 



in 

 l»i 



1 I 

 16 



471 471 443 43 



431 408 341 315 220 169 150 



—50.7 32.8 29.8—13.4 —4.3 —2.8—0.65—0.14 



80 



