COST OF THE AVERAGE DAILY FODDER RATIONS USED. 



• (Cents.) 



♦Allowing 80 per cent, of the manurial value of the feed consumed obtainable. 



Total cost of each daily ration represents the sura of the market 

 cost of the quantity of the different fodder articles contained in that 

 particular daily diet. 



Net cost of a fodder article represents the cost of the article, less 

 the commercial value of that portion of the various quantities of the 

 different essential fertilizing constituents they contain, which passes 

 into the animal excretions, liquid and solid, and becomes thus avail- 

 able in the manurial refuse resulting from its consumption. The value 

 of the manurial refuse obtainable from one and the same kind and 

 quality of fodder article depends on the function, the kind and the 

 age of animal which consumes it. lo case of milch cows it is con- 

 ceded that an allowance of a loss of 20% covers the amount of nitro- 

 gen, phosphoric acid and potash which passes into the milk produced, 

 and is thus lost as a manurial resource of the farm. 



As our various fodder articles differ quite frequently widely from 

 each other with reference to the amount of nitrogen, phosphoric acid 

 and potash they contain, it is but natural that the obtainable manurial 

 value of our different fodder articles under otherwise corresponding 



