For other uses, see Horseshoe (disambiguation).
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Modern horseshoes are most commonly made of steel and nailed into the hoof wall.
A variety of horseshoes, including aluminium racing plates (light coloured) and shoes used on cattle in lower right.
A horseshoe is a fabricated product, normally made of metal, although sometimes made partially or wholly of modern synthetic materials, designed to protect a horse's hoof from wear. Shoes are attached on the palmar surface of the hooves, usually nailed through the insensitive hoof wall that is anatomically akin to the human toenail, though much larger and thicker. However, there are many cases where shoes are glued.
The fitting of horseshoes is a professional occupation, conducted by a farrier, who specializes in the preparation of feet, assessing potential lameness issues, and fitting appropriate shoes, including remedial features where required. In some countries, such as the United Kingdom, horseshoeing is legally restricted to only people with specific qualifications and experience. In other nations, such as the United States, where professional licensing is not legally required, professional organizations provide certification programs that publicly identify qualified individuals.
Horseshoes are available in a wide variety of materials and styles, developed for different types of horse and for the work they do. The most common materials are steel and aluminum, but specialized shoes may include use of rubber, plastic, magnesium, titanium, or copper.[1] Steel tends to be preferred in sports where a strong, long-wearing shoe is needed, such as polo, eventing, show jumping, and western riding events. Aluminum shoes are lighter, making them common in horse racing, where a lighter shoe is desired; and often facilitate certain types of desired movement, and so are favored in the discipline of dressage.[2] Some horseshoes have "caulkins", "caulks", or "calks": protrusions at the toe or heels of the shoe, or both, to provide additional traction.
When kept as a talisman, a horseshoe is said to bring good luck. Some believe that to hang it with the ends pointing upwards is good luck as it acts as a storage container of sorts for any good luck that happens to be floating by, whereas to hang it with the ends pointing down, is bad luck as all the good luck will fall out. Others believe that the horseshoe should be hung the other way (with the ends pointing down), as it will then release its luck to the people around it.[3] A stylized variation of the horseshoe is used for a popular throwing game, horseshoes.
Contents
- 1 History
- 2 Reasons for use of horseshoes
- 2.1 Environmental changes linked to domestication
- 2.2 Physical stresses requiring horseshoes
- 3 Horseshoeing theories and debates
- 4 Process of shoeing
- 5 Folklore
- 6 See also
- 7 References
- 8 External links
History
A hipposandal, a predecessor to the horseshoe
Since the early history of domestication of the horse, working animals were found to be exposed to many conditions that created breakage or excessive hoof wear. Ancient people recognized the need for the walls (and sometimes the sole) of domestic horses' hooves to have additional protection over and above any natural hardness. An early form of hoof protection was seen in ancient Asia, where horses' hooves were wrapped in rawhide, leather or other materials for both therapeutic purposes and protection from wear.[4] From archaeological finds in Great Britain, the Romans appeared to have attempted to protect their horses' feet with a strap-on, solid-bottomed "hipposandal" that has a slight resemblance to the modern hoof boot.[5]
Historians have expressed differing opinions on the origin of the horseshoe.[6] Because iron was a valuable commodity, and any worn out items were generally melted down and reused, it is difficult to locate clear archaeological evidence.[7][dubious – discuss] Although some credit the Druids, there is no hard evidence to support this claim.[6] In 1897 four bronze horseshoes with what are apparently nail holes were found in an Etruscan tomb dated around 400 B.C.[8][9] The assertion by some historians that the Romans invented the "mule shoes" sometime after 100 BC is supported by a reference by Catullus who died in 54 BC.[6] However, these references to use of horseshoes and muleshoes in Rome, may have been to the "hipposandal"—leather boots, reinforced by an iron plate, rather than to nailed horseshoes.[10]
Existing references to the nailed shoe are relatively late, first known to have appeared around AD 900, but there may have been earlier uses given that some have been found in layers of dirt. There are no extant references to nailed horseshoes prior to the reign of Emperor Leo VI and by 973 occasional references to them can be found.[10] The earliest clear written record of iron horseshoes is a reference to "crescent figured irons and their nails" in AD 910.[citation needed] There is very little evidence of any sort that suggests the existence of nailed-on shoes prior to AD 500 or 600, though there is a find dated to the 5th century A.D. of a horseshoe, complete with nails, found in the tomb of the Frankish King Childeric I at Tournai, Belgium.[11]
English horseshoes from the 11th to the 19th centuries
Around 1000 AD, cast bronze horseshoes with nail holes became common in Europe. Common was a design with a scalloped outer rim and six nail holes.[4] The 13th and 14th centuries brought the widespread manufacturing of iron horseshoes.[12] By the time of the Crusades (1096–1270), horseshoes were widespread and frequently mentioned in various written sources.[7] In that period, due to the value of iron, horseshoes were even accepted in lieu of coin to pay taxes.[4]
By the 13th century, shoes were forged in large quantities and could be bought ready-made.[4] Hot shoeing, the process of shaping a heated horseshoe immediately before placing it on the horse, became common in the 16th century.[12] From the need for horseshoes, the craft of blacksmithing became "one of the great staple crafts of medieval and modern times and contributed to the development of metallurgy.”[11] A treatise titled "No Foot, No Horse" was published in Great Britain in 1751.[4]
In 1835, the first U.S. patent for a horseshoe manufacturing machine capable of making up to 60 horseshoes per hour was issued to Henry Burden.[12] In the mid 19th century Canada, marsh horseshoes kept horses from sinking into the soft intertidal mud during dike-building. In a common design, a metal horseshoe holds a flat wooden shoe in place.[13]
Reasons for use of horseshoes
A horseshoe maker/blacksmith in India.
Environmental changes linked to domestication
A hot horseshoe in a forge. The metal is softened so that it can be more precisely shaped to the horse's hoof.
Many changes brought about by domestication of the horse have led to a need for shoes for number of reasons, mostly linked to management that results in horses' hooves hardening less and being more vulnerable to injury. In the wild, a horse may travel up to 50 miles per day to obtain adequate forage. While horses in the wild covered large areas of terrain, they usually did so at relatively slow speeds, unless being chased by a predator.[4] They also tended to live in arid steppe climates. The consequence of slow but nonstop travel in a dry climate is that horses' feet are naturally worn to a small, smooth, even and hard state. The continual stimulation of the sole of the foot keeps it thick and hard. However, in domestication, the ways horses are used differs from their natural environment. Domesticated horses were brought to colder and wetter areas than their ancestral habitat. These softer and heavier soils soften the hooves and have made them prone to splitting, making hoof protection necessary.[4] Consequently, it was in northern Europe that the nailed horseshoe arose in its modern form.
Domesticated horses are also subject to inconsistent movement between stabling and work, they must carry or pull additional weight, and in modern times they are often kept and worked on very soft footing, such as irrigated land, arena footing, or stall bedding. In some cases, management is also inadequate. The hooves of horses that are kept in stalls or small turnouts, even when cleaned adequately, are exposed to more moisture than would be encountered in the wild, as well as to ammonia from urine. The hoof capsule is mostly made from keratin, a protein, and is weakened by this exposure, becoming even more fragile and soft. Shoes do not prevent or reduce damage from moisture and ammonia exposure. Rather, they protect already weakened hooves. Further, without the natural conditioning factors present in the wild, the feet of horses grow overly large and long unless trimmed regularly. Hence, protection from rocks, pebbles, and hard, uneven surfaces is lacking. A balanced diet with proper nutrition also is a factor. Without these precautions, cracks in overgrown and overly brittle hoof walls are a danger, as is bruising of the soft tissues within the foot because of inadequately thick and hard sole material.
Physical stresses requiring horseshoes
- Abnormal stress: Horses' hooves can become quite worn out when subjected to the added weight and stress of a rider, pack load, cart, or wagon.[14]
These
bar shoes are commonly used in corrective shoeing, to help support the heels.
- Corrective shoeing: The shape, weight, and thickness of a horseshoe can significantly affect the horse's gait. Farriers may forge custom shoes to help horses with bone or musculature problems in their legs,[15] or fit commercially available remedial shoes.
- Traction: Traction devices such as borium for ice, horse shoe studs for muddy or slick conditions, calks, carbide-tipped road nails and rims are useful for performance horses such as eventers, show jumpers, polo ponies, and other horses that perform at high speeds, over changing terrain, or in less-than-ideal footing.[1]
- Gait manipulation: Some breeds such as the Saddlebred, Tennessee Walking Horse, and other gaited horses are judged on their high-stepping movement. Special shoeing can help enhance their natural movement.[1]
- Racing horses with weakness in their foot or leg require specialized horseshoes.[16]
Horseshoeing theories and debates
Horseshoes have always been viewed as an aid to assist horses' hooves when subjected to the various unnatural conditions brought about by domestication, whether due to work conditions or stabling and management. Many generations of domestic horses bred for size, color, speed, and other traits with little regard for hoof quality and soundness make some breeds more dependent on horseshoes than feral horses such as mustangs, which develop strong hooves as a matter of natural selection.
A hoof boot can be used in place of a horseshoe or as a temporary substitute for a thrown shoe
Nonetheless, domestic horses do not always require shoes. When possible, a barefoot hoof, at least for part of every year, is a healthy option for most horses. However, horseshoes have their place and can help prevent excess or abnormal hoof wear and injury to the foot. Many horses go without shoes year-round, some using temporary protection such as hoof boots for short-term use.[17]
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This article contains weasel words: vague phrasing that often accompanies biased or unverifiable information. Such statements should be clarified or removed. (February 2013) |
Process of shoeing
See also: Farrier
The shoe, showing a
toe clip, has just had the nails driven in through the hoof. The farrier will then cut the nails, and bend the cut end over to form a clinch.
Shoeing, when performed correctly, causes no pain to the animal. Farriers trim the insensitive part of the hoof, which is the same area into which they drive the nails. This is analogous to a manicure on a human fingernail, only on a much larger scale.[1]
Before beginning to shoe, the farrier removes the old shoe using pincers (shoe pullers) and trims the hoof wall to the desired length with nippers, a sharp pliers-like tool, and the sole and frog of the hoof with a hoof knife. Shoes do not allow the hoof to wear down as it naturally would in the wild, and it can then become too long. The coffin bone inside the hoof should line up straight with both bones in the pastern. If the excess hoof is not trimmed, the bones will become misaligned, which would place stress on the legs of the animal.[18]
Shoes are then measured to the foot and bent to the correct shape using a hammer and anvil, and other modifications, such as taps for shoe studs, are added. Farriers may either cold shoe, in which he bends the metal shoe without heating it, or hot shoe, in which he places the metal in a forge before bending it. Hot shoeing can be more time-consuming, and requires the farrier to have access to a forge; however, it usually provides a better fit, as the mark made on the hoof from the hot shoe can show how even it lies. It also allows the farrier to make more modifications to the shoe, such as drawing toe- and quarter-clips. The farrier must take care not to hold the hot shoe against the hoof too long, as the heat can damage the hoof.[18]
Hot shoes are placed in water to cool them off. The farrier then nails the shoes on, by driving the nails into the hoof wall at the white line of the hoof. The nails are shaped in such a way that they bend outward as they are driven in, avoiding the sensitive inner part of the foot, so they emerge on the sides of the hoof. When the nail has been completely driven, the farrier cuts off the sharp points and uses a clincher (a form of tongs made especially for this purpose) or a clinching block with hammer to bend the rest of the nail so it is almost flush with the hoof wall. This prevents the nail from getting caught on anything, and also helps to hold the nail, and therefore the shoe, in place.[18]
The farrier then uses a rasp (large file), to smooth the edge where it meets the shoe and eliminate any sharp edges left from cutting off the nails.[18]
Shoeing mistakes
Mistakes are sometimes made by even a skilled farrier, especially if the horse does not stand still. This may sometimes result in a nail coming too close to the sensitive part of the hoof (putting pressure on it), or a nail that is driven slightly into the sensitive hoof, called quicking or nail pricking. This occurs when a nail penetrates the wall and hits the sensitive internal structures of the foot. Quicking results in bleeding and pain and the horse may show signs of lameness or may become lame in following days. Whenever it happens, the farrier must remove the offending nail. Usually a horse that is quicked will react immediately, though some cases where the nail is close to sensitive structures may not cause immediate problems. These mistakes are made occasionally by anyone who shoes horses, and in most cases is not an indication that the farrier is unskilled. It happens most commonly when horses move around while being shod, but also may occur if the hoof wall is particularly thin (common in Thoroughbreds), or if the hoof wall is brittle or damaged. It may also occur with an inexperienced or unskilled horseshoer who misdrives a nail, uses a shoe that is too small, or has not fitted the shoe to the shape of the horse's hoof. Occasionally, manufacturing defects in nails or shoes may also cause a misdriven nail that quicks a horse.
However, the term "farrier" implies a professional horseshoer with skill, education, and training. Some people who shoe horses are untrained or unskilled, and likely to do more harm than good for the horse. People who do not understand the horse's foot will not trim the hoof correctly. This can cause serious problems for the animal, resulting in chronic lameness and damage to the hoof wall. Poor trimming will usually place the hoof at an incorrect angle, leave the foot laterally unbalanced and may cut too much off certain areas of the hoof wall, or trim too much of the frog or sole. Some horseshoers will rasp the hoof down to fit an improperly shaped or too-small size of shoe, which is damaging to the movement of the horse and can damage the hoof itself if trimmed or rasped too short. A poor horseshoer can also make mistakes in the shoeing process itself, not only quicking a horse, but also putting shoe on crooked, using the wrong type of shoe for the job at hand, shaping the shoe improperly, or setting it on too far forward or back.
Folklore
A horseshoe on a door is regarded a protective talisman in some cultures
Main article: Iron in mythology § Luck
The horseshoe is presented as a talisman in The True Legend of St. Dunstan and the Devil; Showing how the Horse-Shoe came to be a Charm against Witchcraft, written in 1871 by Edward G. Flight, with illustrations by George Cruikshank and engravings by John Thompson.[19]
Superstitious sailors believe nailing a horseshoe to the mast will help their vessel avoid storms.[20]
See also
- Farrier
- Horse care
- Horse hoof
- Laminitis
- Natural hoof care
References
- ^ a b c d Price, Steven D. (ed.) The Whole Horse Catalog: Revised and Updated New York:Fireside 1998 ISBN 0-684-83995-4 p. 84–87
- ^ Evans, J. Warren et al. The Horse Second Edition New York: Freeman 1990 ISBN 0-7167-1811-1 p. 731–739
- ^ "Luck and Horseshoes Webpage accessed 22 Aug. 2010". Indepthinfo.com. Retrieved 2011-12-19.
- ^ a b c d e f g "Cohen, Rachel. "The History of Horseshoes." EquiSearch. Web. 11 Nov. 2009". Equisearch.com. Retrieved 2011-12-19.
- ^ "British Museum Website: hipposandal". Retrieved 2007-08-23.
- ^ a b c Groundbreaking Scientific Experiments, Inventions, and Discoveries of the Ancient World by Robert E. Krebs ISBN 0313313423 (Greenword/ABC-CLIO) pages 27-28
- ^ a b "Who Invented Horseshoeing? Webpage accessed 26 Sep. 2012". archive.org. Retrieved 2012-09-26.
- ^ William Nickerson Bates, "Etruscan Horseshoes from Corneto" American Journal of Archaeology Vol. 6, No. 4, Oct. - Dec., 1902, pages 398-403 JSTOR link
- ^ Etruscan Horseshoes From Corneto
- ^ a b Scientific American Inventions and Discoveries by Rodney Carlisle (Aug 2, 2004) ISBN 0471244104 John Wiley page 117
- ^ a b "Horseshoe." Encyclopædia Britannica. 15th ed. Vol. 20. 2005. 651-51. Print.
- ^ a b c Mary Bellis (2010-06-16). "Bellis, Mary. "Horseshoes, Nails, Saddles, and Riding." About.com. Web. 11 Nov. 2009". Inventors.about.com. Retrieved 2011-12-19.
- ^ Charlotte Gray 'The Museum Called Canada: 25 Rooms of Wonder' Random House, 2004
- ^ Ensminger, M. E. Horses and Horsemanship: Animal Agriculture Series. Sixth Edition. Interstate Publishers, 1990. ISBN 0-8134-2883-1 p. 367–371
- ^ Ensminger, M. E. Horses & Tack: A Complete One Volume Reference on Horses and Their Care Rev. ed. Boston:Houghton Mifflin Co. 1991 ISBN 0-395-54413-0 p. 267–269
- ^ "Race Horses Require Shoes of Special Design and Weight" ''Popular Mechanics'', April 1936. Books.google.com. Retrieved 2011-12-19.
- ^ McBane, Susan A Natural Approach to Horse Management London:Methuen 1992 ISBN 0-413-62370-X p. 57–60
- ^ a b c d Evans, J. Warren et al. The Horse Second Edition New York: Freeman 1990 ISBN 0-7167-1811-1 p. 742–747
- ^ Edward G. Flight (1871). The True Legend of St. Dunstan and the Devil. Illustrated by George Cruikshank. Project Gutenberg (published November 8, 2004).
- ^ Eyers, Jonathan (2011). Don't Shoot the Albatross!: Nautical Myths and Superstitions. A&C Black, London, UK. ISBN 978-1-4081-3131-2.
This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.
External links
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Wikimedia Commons has media related to Horseshoes. |
- Historical development of the horseshoe 1891 Scientific American article from Project Gutenberg
- The True Legend of St. Dunstan and the Devil by Edward G. Flight, illustrated by George Cruikshank, published in 1871, and available from Project Gutenberg
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