180 SCIENTIFIC FEEDING OF ANIMALS 



been tried, and a material which keeps well and 

 promises to have a great future has been prepared. 

 The digestibility (see Table II of Appendix) and the 

 effect of the dried potatoes is excellent, whatever 

 the method of drying. Where the potatoes are 

 dried directly by the fire gases, they are first cut 

 into slices, whereas when they are dried by steam 

 they are steamed and then passed between rollers 

 heated by steam, and pressed into thin flakes. 

 When moistened and mixed with chopped hay, or 

 straw, the dried potatoes are readily eaten by 

 horses and cattle. Sheep take them dry, whilst for 

 pigs it is best either to scald them or soak them in 

 water, skim milk, or whey. 



3. The tubers of artichokes are closely allied 

 to potatoes in composition, but instead of starch 

 they contain other carbohydrates — lsevulin and 

 inulin — and slightly more water. Owing to the 

 restricted quantities in which they are grown they 

 are usually only a supplementary food. Large 

 quantities cause purging and make the milk watery. 



(4) Grains and seeds. 



The composition of grains and seeds is influenced 

 chiefly by the condition of ripeness at the time of 

 harvesting. In the stream of materials which 

 flows to the growing seed, it is found that at the 

 beginning there is more nitrogenous and mineral 



