156 Dairy Management. 



Quantity and Descriptiox of Food supplied to 6 Cows during 27-i- weeks. 



Analysis of Milk by 

 Haidlen. 

 Water 



Butter . . . . 

 Casein 

 Milk sugar 

 Phosphate of Lime 

 Magnesia .. 



Iron 



Chloride of Potas-"! 

 slum .. .. / 

 Sodium and Soda 



873- 

 30- 

 48-2 

 43-9 

 2-31 

 •42 

 •07 



1-44 



•66 



1000 '00 



Production of Milk by 6 cows, average 14 quarts per 

 day each for 27i weeks = 16,072 quarts, which at 

 41 ozs. per quart = 41,184lbs. 



lbs. 



When dry or free from moisture . . . . 5230 



Butter in 16,072 quarts at 30 per 1000 = 1235 

 Casein ,, ,, 48-2 ,, = 1977 

 SugarofMilk =1804 



Minerals /P;^,°^P^^^<^«^"°^^ " ,^l]= 214 

 (^Other .. .. Ii5j 



Gain of weight 500 lbs., of which 



I compute 300 lbs. as fat. 



200 lbs. as flesh. 



500 



5230 



Nitrogen .. .. 316 lbs. 

 Phosphate of lime 99 

 Phosphoric acid = 45*50 



Cost of Food per Cow per week .. .. 8s. 6 ad 

 When the yield of milk is less, the cost 

 of food is reduced to 7s. 8rf. per week. 



* The cost of shells of oats, of which I use an equal quantity, is 16s. per ton. 



