208 



hay from the same pasture, supplying the water in the 

 bucket instead of in the form of natural juices, and a 

 far different result is obtained. The animal will not 

 starve, at the same time it will not fatten, no matter 

 how much hay and water are given it. Yet, analytically, 

 water is the only constituent lost in the practice of 

 haymaking. Treating entirely from the other side of 

 the question, the carbo-hydrates, albuminoids, and fats 

 can be supplied more cheaply in the form of cereals 

 and other concentrated foods, than from potatoes. 

 Taking wheat, for instance, the units of feeding matter, 

 multiplying the albuminoids and fats by 2J, are 108, 

 against 26 in potatoes, and the albuminoid ratio is 

 5*05 against 9 '4, in which the inferiority of potatoes is 

 shown. Thus, on analysis, if a ton of swedes is worth 

 10s., a ton of potatoes is not worth more than 15s., 

 because, practically, equal feeding matter is contained 

 in 



1 ton of swedes at 10s. per ton ... 10s. 

 ton of wheat at 4 per ton 1 Os. 



1 10s. 



2 tons of potatoes at 15s. per ton ... ... 1 10s. 



In this the value of the extra succulence in the two 

 tons of potatoes is not estimated, though that value 

 exists. The moisture in a ton of swedes is 89 per 

 cent.; in wheat 15 per cent., or an average per ton 

 of 52 per cent., though the moisture in wheat cannot 

 be considered as a natural juice. In potatoes the 

 average is 75 per cent. As natural moisture is 

 valuable, this puts the potatoes in a more favourable 



