FEEDING FARM ANIMALS 



found in greatest quantity in the pig and least in 

 the calf. The ingredient in largest quantity is water. 

 Principal Ash Constituents. It is of interest, and 

 worth while also, to know what quantities of nitro- 

 gen, phosphoric acid and potash are to be found in 

 various animals and their products. This informa- 

 tion is of value in determining the quantity of each 

 removed from the farm when an animal is sold or 

 its products sent to market. In the following table 

 these data are given. 



NITROGEN, PHOSPHORIC ACID AND POTASH IN I,OOO 

 POUNDS (WARRINGTON) 



In the fat calf and the fat ox the largest amount of 

 these three important fertilizing elements is 

 removed, and in the fat pig the least. Hog raising, 

 therefore, is less hard on the land than beef produc- 

 tion. Dairying is more favorable even than pork. 

 If we assume a cow produces 5,000 pounds of milk 

 during a lacteal period and this milk is sold to the 

 city, the loss to the land will be 29 pounds of nitro- 

 gen, 10 pounds of phosphoric acid and 8.5 pounds of 

 potash. Rating the nitrogen at 16 cents a pound, 



