INDEX. 525 



Work, effect of, on digestion, 271 

 excretion, 204 



of carbonic acid, 206 

 nitrogen, 204 

 water, 207 

 fat consumption, 207 

 excretion of gaseous nitrogen during, 208 

 internal, 23() 



Kellner's experiments on, 209 

 NoycB^s experiments on, 212 

 Pettenkofer & Volt's experiments on, 206 

 production of, 202 



protein consumption not increased by, 204, 206 

 saving of, by concentrated fodder, 228 

 Voit's experiments on, 204 

 Working animals, feeding, 407 



importance of fat to, 408 

 need of protein for, 407 

 oxen, feeding of, 408 



standard, 408 



Young animals, amount of food conramed by, 437 



couKumption of inorganic nutrients by, 441 

 excretion of carbonic acid by, 440 

 general laws of nutrition of, 43G 

 production of fat by, 440 



flesh by, 439 

 protein consumption in, 439 



