FOOD 



121 



Table for calculating Equivalents for Substitutional Dieting, 

 based on the nitrogbn in each food substance. 



PRODUCTION OF FAT. 



If this country has been behindhand in studying the 

 matter of digestive coefficients and depression values, the 

 same cannot be said of the subject of fattening animals for 

 the production of meat and manure. The brilliant work 

 in agriculture, entirely the result of private enterprise, 

 carried on for many years by Lawes and Gilbert at 

 Eothamstead, is still the first authority on the subject. 

 What we have to say on the matter is entirely derived from 

 their observations. 



In order that an animal may fatten, it is essential that 

 it be supplied with more food than the system requires, so 

 that the excess may be stored up in the form of fat and meat. 

 Experience has proved that liberal feeding is economical ; 

 if by liberal feeding an animal can be prepared for market 

 in two years instead of three, there is a distinct saving in 



one year's keep. 



There are certain conditions which influence fattening, 

 such as warmth, quietude, and rest. The way in which 

 these act can be readily appreciated ; by keeping animals 

 warm, food which would otherwise be expended in main- 



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