210 



Agricultural Chemistry. 



proportion of bone in these two animals. Fat is found in great- 

 est quantity in the pig and is least in the ox. 



The following table shows the quantity of nitrogen and the 

 principal ash constituents in the fasted live weight of the animals 

 analyzed at Rothamsted. The table is based upon a weight of 

 1000 pounds for each animal. The table also includes milk, wool 

 and eggs, and supplies information as to the loss a farm would 

 sustain by the sale of animal products. According to this table, 

 the ox contains, in proportion to its weight, a larger amount of 

 nitrogen and a much larger amount of lime and phosphoric acid 

 than either the sheep or pig. Of all the animals raised on the 

 farm, the pig contains the least of all the important ash con- 

 stituents. 



Attention should be called to the large amount of potash in 

 unwashed wool. It is possible for the fleece to contain more 

 potash than the whole body of the shorn sheep. The fleeces of 

 four Hampshire Down sheep, analyzed at Rothamsted, contained 

 about 6.5 per cent of nitrogen and 2 to 3 per cent of ash. 



Ash Constituents and Nitrogen in 1000 Pounds of Various Animah and 

 the Same Weight of Their Products. 



