. Agriculture; a text for the school and the farm . any smalltowns also have their local slaughter-houses, where animalspurchased from the farms are killed for home consumption. Other food products from animals.—The other foodproducts from animal life, such as milk, butter, eggs andcheese, are even more important. Milk and eggs containmore of the different food elements needed by the humanbody than any other foods; and butter is as necessary asmeat. The dairy and poultry industries are therefore amongthe most important connected with agriculture. Milk andbutter are shipped to the cities in ref
. Agriculture; a text for the school and the farm . any smalltowns also have their local slaughter-houses, where animalspurchased from the farms are killed for home consumption. Other food products from animals.—The other foodproducts from animal life, such as milk, butter, eggs andcheese, are even more important. Milk and eggs containmore of the different food elements needed by the humanbody than any other foods; and butter is as necessary asmeat. The dairy and poultry industries are therefore amongthe most important connected with agriculture. Milk andbutter are shipped to the cities in refrigerator cars or specialtrains. Hundreds of creameries are operated to save timefor the farmer and insure him greater profit. Many train-loads of eggs and butter are collected during the summer FARM ANIMALS AND AGRICULTURE 269 months and put in cold storage and kept for the wintersupply. 3. Other Animal Products The farm animals are useful in other ways than doingwork and providing food for man. Many practical neces-sities are supplied by A promising family. Leather.—The skins of all the common farm animalsare saved for leather. Cattle, horses, sheep and even pigs,contribute to the making of our shoes, gloves, mittens, har-nesses, saddles, cushions and many other articles in com-mon use. Wool.—Sheep furnish one of the most valuable cloth-ing materials known. ]\Iany sheep ranches are maintained 270 AGRICULTURE chiefly for the fleeces, mutton being of secondary consid-eration. More than thirty-eight million sheep annually giveup their wool in the United States for the making of cloth-ing and other articles for the household. Other products.—We owe many other articles ofcommon use to some form of animal product. Our brushesare made from bristles. Buttons are cut from bone. Gelatinand glue are both animal products. Many soaps are madefrom animal parts not suitable for meat. Blood and bone,as we have already seen, are used for fertilizers. So com-pletely are all part
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