OCR Text |
Show Must Eat Protein or Die IN FOOD protein b; the mot Important; every living animal must cat protein In some form or die. Besides being absolutely necessary, tbe thing which makes protein Important is its scarcity. The characteristic tiling al out protein Is that it is one-sixteenth nitrogen. Now nitrogen Is one of the scarcest scarc-est and most necessary elements or food either for plants or animals. Because it is so scarce and because all animals must havo It or die, protein 13 much more expensive than the other four food compounds. The chief reason whv we buy such feeds as bran, oilmeal nnd cotton seed meal Is for their protein. pro-tein. . Now brun usually costs $20 to $C5 a ton, and as It contains about 12 per cent of digoKllble protein, there are 2t; ponndu In a ton of brand. If we buy bran for Its protein (and that Is the constituent which gives bran its chief value), we are paying nearly 10 cents a pound for protein. Protein is used especially to build up tissues and muscles, and also to help produce milk. For thin reason rea-son young and growing animals, animals at hard werr'.c, and pregnant or mllk-glving animals ani-mals need an obundance of protein. This Is one of the fundamental principles of feeding, j Wo can buy protein in such foods as bran, j ollmtal, cotton seed meal and tankage. |