The Animal Body — Digestion — Metabolism. 



19 



Capacity and length of intestines and capacity of stomachs of farm 

 animals. 



♦Chauveau, Comparative Anatomy of the Domestic Animals, i\laces the capacity at 3 to 3. 

 gullons. 



29. Insalivation. — In the month of the animal the food is crushed 

 and ground by the teeth, and at the same time is moistened with 

 the alkaline saliva, forming a pasty mass. Colin^ found that a 

 horse fed on hay secreted 11 to 13 lbs. of saliva per hour. Oats re- 

 quire a little more than their own weight, green fodders half, and 

 dry fodders 4 times their weight of saliva during mastication. If 

 the ration of a horse for one day amounts to 11 lbs. of hay and 11 

 lbs. of other dry fodder, this will require 4 times its weight of 



» Smith, Physiol. Dom. Anim. 



