74 



Feeds and Feeding. 



highly fattened pigs contains more nitrogenons substance, more 

 water and less fat. 



104. Comparative fattening qualities of different farm animals. — 



Gathering their results into a single table for the purpose of study- 

 ing the comparative fattening qualities of farm animals, Lawes 

 and Gilbert present the following table, giving the proportion of 

 the various oigans and parts of the body, the feed consumed 

 weekly, gains, etc. : 



Comparative fattening qualities of farm animals — Lawes and Gilbert. 



Relation of parts in 100 pounds live weight. 



Per 100 pounds live weight. 



Dry substance consumed in food per week 

 Increase yielded per week 



12.5 

 1.13 



16.0 

 1.76 



27.0 

 6.43 



Per 100 pounds dry substance of food. 



Fat in increase 



Total dry substance in increase 



Total dry substance in excretions . 



15.7 

 17.6 

 16.7 



