. Manual of farm animals; a practical guide to the choosing, breeding, and keep of horses, cattle, sheep, and swine. Animal industry; Horses; Cattle; Sheep; Swine. THE FEEDING OF ANIMALS 55. nutrients. A 1000-pound cow yielding 22 pounds of milli re- quires 29 pounds of dry-matter, of which at least 16 pounds should be digestible and 2 to 2| pounds should be digestible pro- tein. The ration is calculated simply on the digestible matter and the protein. The other method of computing rations for farm animals is by the use of energy values of the food. In this method one must know the energy valu
. Manual of farm animals; a practical guide to the choosing, breeding, and keep of horses, cattle, sheep, and swine. Animal industry; Horses; Cattle; Sheep; Swine. THE FEEDING OF ANIMALS 55. nutrients. A 1000-pound cow yielding 22 pounds of milli re- quires 29 pounds of dry-matter, of which at least 16 pounds should be digestible and 2 to 2| pounds should be digestible pro- tein. The ration is calculated simply on the digestible matter and the protein. The other method of computing rations for farm animals is by the use of energy values of the food. In this method one must know the energy values of the vari- ous constituents; also amount of energy required to produce a unit of whatever is wanted. In other words, it is essential to know the energy required to produce one pound of beef, pork, mutton, or milk. Knowing the energy of the food and the energy required for produc- tion, the ration is calculated accordingly. Using balanced rations. — The nutritive-ratio may vary from the standard without serious results. Milk cows have produced good results on rations with a nutritive-ratio as wide as 1 : 8, and horses have fared well on rations with a wider nutritive-ratio. Much depends on the individuality of the animal, the conditions, and the individuality of the feeder. It must be remembered that no rules can be given that will apply in all cases, and that our feeding-standards are guides and not laws. Fig. 28. LIGHT," — Whydelands " S t a e - Champion Shire Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harper, Merritt Wesley, 1877-. New York, The Macmillan company
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