14 MILK PRODUCTION COST ACCOUNTS 



Table II. Requieemeni foe Milk of Varying Richness.^ 



Per cent. 

 3.00 



3-So 

 4.00 

 4-SO 

 5.00 



5-5° 

 6.00 

 6.50 



Digestible 



protein per 



pound of milk 



.050 



.052 



•05s 

 .058 

 .062 

 .066 

 .070 

 .075 



Therms 



energy. 



.26 



.28 



30 



33 



36 



40 



45 



5° 



The following may be used when individual production is 



not known: 



Digestible 

 protein. 



Holsteins 05 



Shorthorns 055 



Ayrshires 055 



Brown Swiss 055 



Jerseys 066 



Guernseys 066 



Therms 

 energy. 

 .26-28 

 .28-30 

 .28-30 

 .28-30 

 .40-.4S 

 .40-.4S 



Table III. For the Exact Calculation of Individual Rations.* 



Digestible protein, and energy values per 100 pounds. 



Feeding stuff. 



Energy 



value. 



(therms) 



Digestible 

 true protein, 

 (pounds) 

 Green fodder and silage: 



Alfalfa 2.50 



Clover — crimson 2.19 



Clover — red 2.21 



Corn fodder — green 41 



Corn silage 0.88 



Hungarian grass 1.33 



Rape 2.16 



Rye 1.44 



Timothy 1.04 



Hay and dry coarse fodders: 



Alfalfa hay 6.93 



Clover hay — red S4i 



1 " Nutrients required for Milk Production," Univ. of Mo., Research Bull. 

 No. 7, p. 138. 



° Pa. Exp. Sta., Bull, iii, p. 15, and Farmers' Bull. 346, p. 15. 



12-45 

 11.30 

 16.17 

 12.44 

 16.56 

 14.76 



"•43 

 11.63 

 19.08 



34-41 

 34-74 



