Hurdle
Encyclopedia
A hurdle is a moveable section of light fence
Fence
A fence is a freestanding structure designed to restrict or prevent movement across a boundary. It is generally distinguished from a wall by the lightness of its construction: a wall is usually restricted to such barriers made from solid brick or concrete, blocking vision as well as passage .Fences...

. Traditionally they were made from wattle (woven split branches), but modern hurdles are often made of metal. Hurdles are used for handling livestock, as decorative fencing, for horse racing and in the track and field event of hurdling.

Types

  • Traditional hurdles are made from wattle, usually of hazel
    Hazel
    The hazels are a genus of deciduous trees and large shrubs native to the temperate northern hemisphere. The genus is usually placed in the birch family Betulaceae, though some botanists split the hazels into a separate family Corylaceae.They have simple, rounded leaves with double-serrate margins...

     or willow
    Willow
    Willows, sallows, and osiers form the genus Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere...

    . Hurdle-making is a traditional woodland craft, done by placing upright sticks in holes in a log and weaving split branches between them. Historically they were used to pen livestock or to separate land in open field system
    Open field system
    The open field system was the prevalent agricultural system in much of Europe from the Middle Ages to as recently as the 20th century in some places, particularly Russia and Iran. Under this system, each manor or village had several very large fields, farmed in strips by individual families...

    s, but they are now popular as decorative fencing for garden
    Garden
    A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature. The garden can incorporate both natural and man-made materials. The most common form today is known as a residential garden, but the term garden has...

    s. In medieval England such a hurdle was sometimes used as a makeshift sledge, to which a prisoner was tied to be dragged behind a horse to a place of execution.

  • Modern livestock
    Livestock
    Livestock refers to one or more domesticated animals raised in an agricultural setting to produce commodities such as food, fiber and labor. The term "livestock" as used in this article does not include poultry or farmed fish; however the inclusion of these, especially poultry, within the meaning...

     hurdles are used for sorting, handling or loading animals where permanent fencing is impractical or uneconomic. They are made of steel
    Steel
    Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

     or aluminium
    Aluminium
    Aluminium or aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances....

    , and vary in size. For sheep, they are usually 6 feet (1.8 m) long and 3 foot (0.9144 m) high, while for cattle they are commonly 9 ft (2.7 m) or more long and 5 feet (1.5 m) high. They are usually joined by pins or hooks, both to each other and to handling facilities such as a cattle crush
    Cattle crush
    A cattle crush , squeeze chute , standing stock, or simply stock is a strongly built stall or cage for holding cattle, horses, or other livestock safely while they are examined, marked, or given veterinary treatment. Cows may be made to suckle calves in a crush...

    . While individual hurdles are easily knocked over by animals, when joined in a ring or to solid objects they make a secure fence. Single hurdles are often used a temporary gate
    Gate
    A gate is a point of entry to a space enclosed by walls, or a moderately sized opening in a fence. Gates may prevent or control entry or exit, or they may be merely decorative. Other terms for gate include yett and port...

     or to block a gap in a hedge. Hurdles are often supplied in a set together with a mobile cattle crush and a trailer
    Trailer (vehicle)
    A trailer is generally an unpowered vehicle pulled by a powered vehicle. Commonly, the term trailer refers to such vehicles used for transport of goods and materials....

     for easy transport.
  • Wattle hurdles are also used in hedges and river restoration. They are an environmentally friendly way of adding strength to river banks to stop erosion and create a living space for wild plants and animals. Hurdles are also used to aid the growth of new hedges. They protect the young hedge plants and will slowly rot away as the hedge grows making a stronger hedge when it is time for laying a mature hedge.
  • Hurdles used as jumps in horse racing
    Hurdling (horse race)
    A Hurdle race in England is a National Hunt horse race where the horses jump over obstacles called hurdles that are over three and a half feet high. They are typically made of brush, that has some flexability. Hurdle races always have a minimum of eight hurdles and a minimum distance of two miles ....

     are similar to traditional hurdles.
  • The barriers used in track and field hurdling
    Hurdling
    Hurdling is a type of track and field race.- Distances :There are sprint hurdle races and long hurdle races. The standard sprint hurdle race is 110 meters for men and 100 meters for women. The standard long hurdle race is 400 meters for both men and women...

    vary. A bar firmly attached to two posts is used for long distances, while a light metal frame on a stand is used for sprint hurdling.

External links

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