662 



NUTRITION OF FARM ANIMALS 



TABLE 204. NET ENERGY VALUES OF FEEDING STUFFS FOR SWINE 

 Per 100 Pounds Dry Matter 



762. Comparison of roughage and concentrates.' The aver- 

 age results recorded in the foregoing tables for the total in- 

 crease in metabolism resulting from the consumption of a unit 

 of dry matter i.e., for the so-called "work of digestion" 

 in the widest sense are scarcely in accord with common con- 

 ceptions. Unconsciously misled by an unfortunate termi- 

 nology, we have been accustomed to think of the more coarse 



1 Omitting one very restless animal. 



