National Geographic : 1952 Jan
72 Guy E. Smith, American Shorthorn Breeders' Association End Results! Prime Grain-gorged Shorthorn Steers Raise Visions of Steaks and Roasts These three won first prize in their group class at San Antonio Livestock Exposition last year. Alike as peas in a pod, they were brought to the peak of perfection by Irvine & Timm, commercial feeders, of Dysart, Iowa. Tails were combed and coats brushed for the show ring. But in this complicated age science has greatly increased the number of meat by products until the packer today finds at least as much profit in the by-products as in the meat itself. The cushions we sit on, the soap we wash with, some of the medicines we use are among the packing industry's nonfood products. Armour and Company recently published a list of some of these by-products, many of which are made from materials once thrown away as useless waste. Its soap department handles scores of grades and varieties of soaps - toilet, laundry, industrial; flakes, chips, granules, liquid, and deodorant-utilizing in edible tallow and grease. Glycerin, a syrupy liquid liberated from tallow, is a by-product of soap. Medical Wonders from By-products In the field of pharmaceuticals, glandular products are high in importance. Insulin comes from the pancreas glands of animals to treat diabetes; liver extract helps anemia sufferers; thyroid is beneficial in cretinism. From the pituitary glands of hogs comes adrenocorticotrophic hormone, known as ACTH, to treat rheumatoid arthritis, rheu matic fever, gout, and asthma. Epinephrine (suprarenalin), first hormone to be isolated in pure form, comes from the inner portion of the adrenal glands just above the kidneys. It has proved effective in treat ing bronchial asthma, in controlling whooping cough spasms, and in stimulating the heart muscles. Fifteen percent of American wool is "pulled wool," a by-product of the packing house. It is used in soft-twist knitting yarns, bed blankets, carpets, and rugs. Wool fat recovered in cleaning the wool is refined into lanolin, base for ointments. Hair from cattle, especially from the tails, goes into manufacture of curled hair for mat tresses and furniture upholstery. Now even hog hair is curled and combined with latex as an upholstery filler. From sheep intestines come strands of gut for ligatures and violin strings. Intestines also are used as casings for sausage. One of the chief nonfood by-products of the packing house is glue. Bones find use as combs, handles, chessmen, and other novelty items, but their chief uses are for gelatin, glue, and bone meal. Years ago it was observed that the packer made use of every part of a pig but its squeal. Today the statement holds true even more forcibly, as additional uses for parts of all slaughter animals continue to be discovered.