Why horses podsovyvayut, because the nature is wild horses are perfectly happy without shoes?
In the process of domestication of the horse, and together with them and their owners are faced with the problem of wear of the hoof. Because domesticated horses have to live in unnatural conditions. On the one hand, do not live in the open, and in the stables. So they move less than wild horses and their hooves become softer. On the other hand, the domestic horse perform hard physical work - carry people, drag a cargo run on time. In addition, they have to run on solid ground and asphalt. All this leads to wear of the hoof: they abraded faster than grow. Wild horses this wear is not threatened, because they run at liberty, without ballast, soft ground, and can choose the most convenient path, avoiding the stones and other obstacles.
Wear the hoof can cause injury. A horse with an injured hoof hurts to walk on the affected leg, she starts to limp.
Horseshoe protect the hoof from wear and from traumatic action of solid ground. Horses running on good soil all year round without strain, horseshoe is not needed.
In winter, use a special horseshoe with thorns, so that the horse has not slipped.
Horseshoes are made of metal (steel, aluminum) and nailed to the hoof special podrobnymi nails.
People have long realized that the horses ' hooves need to be protected from wear. It is believed that the first "regular" horses in Asia: they did a special "shoes" from bast, leather, cane. The first metal horseshoes were similar to sandals. Iron plates fastened with nails, did not appear until the second century B.C. Modern horseshoe plate, the curved shape of the outer edge of the hoof, were invented only in the fifth century A.D. They became widespread in the middle ages.