DAIRYING. 9 



(maize), however, amount to $47,000,000, and of wheat, meal and 

 flour $46,000,000. When we remember that two pounds of butter is 

 often worth as much in the market as one bushel of corn, the 

 American farmer needs to consider seriously the economy of keep- 

 ing his corn at home and feeding it to his dairy cows, rather than 

 sending it across the ocean for feeding the cows of the more 

 intensive farmers of Europe. 



13. It is claimed by Lane, that the gain In fertilizing constit- 

 uents to a farm of 76 acres in seven years with thirty or forty 

 cows amounted to an equivalent of 27.6 tons of nitrate of soda, 

 29.6 tons of acid phosphate, and 2.47 tons of muriate of potash. 



HORTHORN BULL. 



These results are found by subtracting the pounds of fertilizing 

 materials in the milk produced, from the weight of these fertilizing 

 materials in the concentrated feed bought and fed to theso COAVS 

 during this period of time. Or in other words, there was a gain 

 to the farm for a year of 1,230 pounds of nitrogen, 1,010 pounds of 

 phosphoric acid, and 353 pounds of potash from the grain fed to 

 the COAVS. 



b. Feeding Value of Skimmed Milk. 



14. Another important item in farm dairying is the feeding 

 value of skimmed milk for young stock and poultry. Many prac- 



