218 DEFINITION OF TERMS USED. 



solution by the digestive fluids, so that it may serve as 

 nourishment for the animal and furnish material for the 

 production of meat, milk, wool, eggs, etc. 



Dry matter. The portion of a feeding stuff remain- 

 ing after the water contained therein has been removed. 



Ensilage. An obsolete word for Silage. Used as a verb, 

 likewise obsolete, for to silo; to ensile also sometimes 

 incorrectly used for the purpose of placing green fodders 

 into a silo. 



Enzemes. An unorganized or chemical compound of 

 vegetable or animal origin, that causes fermentation, as, 

 pepsin, or rennet. 



Ether extract. The portion of a feeding stuff dis- 

 solved by ether; mainly fat or oil in case of concentrated 

 feeding .stuffs; in coarse fodders, fat, mixed with a num- 

 ber of substances of uncertain feeding value, like wax, 

 chlorophyll (the green coloring matter of plants), etc. 



Fat. See Ether extract. 



Feeding standard. A numerical expression of the 

 amount of various digestible substances in a combina- 

 tion of feeding stuffs best adapted to give good results as 

 regards production of animal products, like beef, pork, 

 milk, etc. 



Indian corn. Zea Mays, the great American cereal and 

 fodder-producing plant. 



Hydrogen. A chemical element, a gas. Combined 

 with oxygen it forms water, with oxygen and carbon it 

 forms carbohydrates and fat; with oxygen, carbon and 

 nitrogen (with small amounts of sulphur and phosphorus) 

 it forms the complex organic nitrogenous substances 

 known as protein albuminoid substances. 



Legumes. Plants bearing seeds in pods and capable 

 of fixing the gaseous nitrogen of the air, so that it be- 

 comes of value to the farmer and will supply nitrogenous 

 food substances to farm animals. Examples, the different 

 kinds of clover, peas, beans, vetches, etc. Of the highest 

 importance agriculturally, as soil renovators, and in sup- 

 plying farm-grown protein foods. 



Nitrogen. A chemical element, making up four-fifths 

 of the air. The central element of protein. See under 

 Hydrogen. 



Nitrogen-free extract. The portion of a feeding stuff 

 remaining when water, fat, protein, crude fiber, and ash 

 are deducted. It includes starch, sugar, pentosans, and 

 other substances. It is so called because It does not con- 

 tain any nitrogen. 



