|Other names||Norwegian: Norske Jærhøns|
|Country of origin||Norway|
The Jærhøns was the principal chicken breed of Norway until imports of foreign breeds began in the nineteenth century. The Jærhøns was selectively bred at the state-controlled breeding station at Bryne in Jæren from its establishment in 1916 until it closed in 1973. Breeding stock was then transferred to the state agricultural college at Hvam, Nes. Following work done in the first half of the twentieth century, the Jærhøns is auto-sexing.
The Jærhøns was listed as a "conservation-worthy national breed" by the Norwegian Forest and Landscape Institute in its 2008–2010 action plan for the conservation and sustainable use of animal genetic resources in Norway.
Two colour varieties are recognised for the Jærhøns, dark brown and yellow, and light brown and yellow. The comb is single, and the beak and legs are bright yellow.
A bantam Jærhøns with the same two colour varieties was approved in 1994.
- Jærhøns (in Norwegian). Nordiskt Genresurscenter. Accessed August 2014.
- Breed data sheet: Norsk jaerhona/Norway. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed August 2014.
- Breeds reported by Norway: Chicken. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Accessed August 2014.
- Jærhøns (in Norwegian). Norsk Rasefjærfeforbund. Accessed August 2014.
- L. Finne, P. Tuff (1944). Inheritance of colour and sex identification of chicks by colour in Jaer fowls. In: Melding om skuleåret. Mysen, Norway: Statens småbrukslærarskule. Accessed August 2014. (subscription required)
- Nina Sæther (2009). Handlingsplan for bevaring og bærekraftig bruk av husdyrgenetiske ressurser i Norge 2008-2010 (in Norwegian). Norsk institutt for skog og landskap. Accessed August 2014.
- T. Twito, S. Weigend, S. Bluma, Z. Granevitzea, M.W. Feldmand, R. Perl-Trevese, U. Lavib, J. Hillela (2007). Biodiversity of 20 chicken breeds assessed by SNPs located in gene regions. Cytogenetic and Genome Research 117: 319–326. doi:10.1159/000103194
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