332 



BOARD OF AGRICULTURE. 



Below can be seen the composition of the water-free dung. 



Sheep 1, oat straw and potatoes.... 



Sheep 2, " " 



Sheep 2, Timothy hay and potatoes. 





7.8.1 



6.93 



10.67 



Ei4 



3.74 



3.42 



3.26 



From the composition and weights of the food and excrement is 

 calculated the total digestible matter in the ration. From this is 

 subtracted the digestible matter belonging to the coarse fodder^ as 

 previousl}' determined, and the remainder is the amount of digesti- 

 ble material supplied from the potatoes. These calculations are 

 clearl}' shown in the tables which follow. 



Tables Showing the Digestibility of Potatoes. 



Sheep 1. 



Fed, 350 grams oat straw 



Fed, 1000 •' raw potatoes 



Total fed 



Excreted, 762 grams dung 



Total digested 



Digested from oat straw 



Digested from potatoes 



Per cent digested from potatoes .... 



