181)4.] PUBLIC DOCUMENT — No. 33. 



21 



Average Composition oj the Daily Fodder Rations — Concluded. 



VII. 



Jime 27 to July 6. 



Wheat bran, 3 lbs. 



Buffiilo gluten feed 3 " 



Cotton-seed meal, 3 •' 



Eowen 18 " 



Nutritive ratio, 1 : 4.51. 



Total cost 28.55 cts. 



Manurial value obtainable, 10.48 " 



Net cost 13.07 " 



Summary of Co.st of the Average Daily Fodder Rations. 



[Cents.] 



The total cost of a fodder ration is the sum of the mar- 

 ket costs of the different articles consumed per day. The 

 manurial value obtainable is the value of the nitrogen, phos- 

 phoric acid and potash of the ration fed that will be found in 

 the manure. In case of milch cows this amounts on an 

 average to 80 per cent, of the fertilizing ingredients con- 

 tained in the feed. The other 20 per cent, goes into the 

 milk or flesh of the animal. The value of the nitrogen, phos- 

 phoric acid and potash thus excreted is based upon the retail 



