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Chicken wire, or poultry netting, is a mesh of wire commonly used to fence poultry livestock, such as chickens, in a run or coop. It is made of thin, flexible galvanized steel wire, with hexagonal gaps. Available in 1 inch (about 2.5 cm) diameter, 2 inch (about 5 cm) and 1/2 inch (about 1.3 cm), chicken wire is available in various wire gauges usually 19 gauge (about 1 mm wire) to 22 gauge (about 0.7 mm wire). Chicken wire is occasionally used to build spacious yet inexpensive cages for small animals (or to protect plants and property from animals) though the thinness and zinc content of galvanized wire may be inappropriate for animals prone to gnawing and will not keep out predators.
In construction, chicken wire is used as a matrix to hold cement or plaster, in a process known as stuccoing. Concrete reinforced with chicken wire yields ferrocement, a versatile construction material. It can also be used to make the armature for a papier-mâché sculpture, when relatively high strength is needed.
It can also be used as a security measure in musical venues to protect the musicians from things being thrown at them, as seen in the 1980 film The Blues Brothers.
Chicken wire netting was invented in 1844 by Charles Barnard, an ironmonger who was the son of a farmer.
Other uses 
In photonics, the chicken-wire effect is a predominant pattern of low transmission lines between multifiber bundles in a fiberoptic used to couple the intensifier tube to the CCD sensor. The lines have a pattern similar to that of chicken wire.
In machine tool design, chicken wire may be used for safety guarding.
See also 
- Chain-link fencing
- Welded wire
- Oligodendroglioma, a brain tumor with a microscopic chicken wire capillary pattern
- Chicken wire (chemistry)
- Geoffrey A. Fowler (31-DEC-2009). "Culprit in Wi-Fi Failures: Chicken Wire". The Wall Street Journal. p. A6A.
- Reifenberger, Guido; Blümcke, Ingmar; Pietsch, Torsten; Paulus, Werner (2010). "Pathology and classification of tumors of the nervous system". In Tonn, Jörg-Christian; Westphal, Manfred; Rutka, James T. Oncology of CNS Tumors. Springer. p. 17. ISBN 978-3-642-02873-1.