File:Farm stock; a practical treatise on horses, cattle, sheep and swine, including their breeding, feeding, care and management in health and disease (1909) (14760968651).jpg

Identifier: farmstockpractic00burk (find matches)
Title: Farm stock; a practical treatise on horses, cattle, sheep and swine, including their breeding, feeding, care and management in health and disease
Year: 1909 (1900s)
Authors: Burkett, Charles William, 1873-
Subjects: Livestock
Publisher: New York, O. Judd company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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basis ofprotoplasm. Around it is centered the life of theplant and animal. The term is used simply to de-scribe the materials that, when taken into the body,repair the wears and tears. It supplies and keepsup the blood, the brain, the tendons, the flesh, theinternal organs, the skin, etc. In fact, it is foundin all parts of plants or animals; for this reasonprotein has been called the most important con-stituent of a feeding stuff. NUTRITIVE RATIO With this classification we are now able properlyto combine feeds so as to get just what is neces-sary to supply the daily needs of any special classof animal fed for distinct purposes. In compound-ing rations the ash and water can be left out ofconsideration of ration making. The three groupsthen to consider are protein, the fats and the car-bohydrates. If we know just how much proteinought to be given daily, it is not a difficult matter,providing the feeds available are of the right kind.Thanks again to our scientific men these facts have
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26 THE FEEDING OF ANIMALS 27 been determined. Take pasture grass for instance,the great universal farm animal food in America.It has been analyzed and we know just how manypounds of protein, of carbohydrates and of fat aredigested in each lOO pounds. Let me add here that the digestibility is impor-tant also because not all of the food taken into thebody is digestible—just a part of it; sometimes 90^per cent, sometimes 75 per cent, sometimes 50 percent, and with some feeds as little as 25 per centis digestible. Hence, with every feeding stuff apart is lost and wasted, therefore serves no con-tribution to the nutriment of the body. In thecase of pasture grass, you know by experiencethat animals are healthy and perform their bestservice when feeding freely on it. It is a balancedfood in itself. In other words, it contains protein,carbohydrates and fat in sufficient quantities andin just the right proportion to meet the needs of theanimal. In 100 pounds of pasture grass there are 2^poun

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