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Jærhøns
The Jærhøns or Norske Jærhøns is the only indigenous breed of domestic chicken in Norway. It is named for the traditional district of Jæren in the county of Rogaland. History 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 Auto-sexing breeds of poultry are those in which the sex of newly-hatched chicks can be determined from the colour and markings of the down. Some breeds of chicken, of goose and of domestic pigeon have this characteristic. The idea of such a .... The Jærhøns was listed as a "conservation-worthy national breed" by the Norwegian Forest and Landsca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auto-sexing
Auto-sexing breeds of poultry are those in which the sex of newly-hatched chicks can be determined from the colour and markings of the down. Some breeds of chicken, of goose and of domestic pigeon have this characteristic. The idea of such a breed is due to Reginald Punnett, who created the first auto-sexing chicken breed, the Cambar, at the Genetical Institute in Cambridge in 1928. Mechanism Unlike sex-linked hybrids, such as 'red sex-links' or 'black sex-links', the Legbar is an auto-sexing breed. Several other auto-sexing breeds or auto-sexing varieties of breeds exist, such as Plymouth Rock, Bielefelder Kennhuhn, Niederrheiner, and Norwegian Jærhøns. Most breeds that end with -bar, such as Welbar, Rhodebar, Brussbar or Wybar, are auto-sexing as well. The importance that auto-sexing plays in the Legbar breed is also reflected in the fact that, next to a standards for the adult birds, the down colour and patterns are also standardised. Day-old male chicks ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicken
The chicken (''Gallus gallus domesticus'') is a domesticated junglefowl species, with attributes of wild species such as the grey and the Ceylon junglefowl that are originally from Southeastern Asia. Rooster or cock is a term for an adult male bird, and a younger male may be called a cockerel. A male that has been castrated is a capon. An adult female bird is called a hen and a sexually immature female is called a pullet. Humans now keep chickens primarily as a source of food (consuming both their meat and eggs) and as pets. Traditionally they were also bred for cockfighting, which is still practiced in some places. Chickens are one of the most common and widespread domestic animals, with a total population of 23.7 billion , up from more than 19 billion in 2011. There are more chickens in the world than any other bird. There are numerous cultural references to chickens – in myth, folklore and religion, and in language and literature. Genetic studies have pointed to mult ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Chicken Breeds
There are hundreds of chicken breeds in existence. Domesticated for thousands of years, distinguishable breeds of chicken have been present since the combined factors of geographical isolation and selection for desired characteristics created regional types with distinct physical and behavioral traits passed on to their offspring. The physical traits used to distinguish chicken breeds are size, plumage color, comb type, skin color, number of toes, amount of feathering, egg color, and place of origin. They are also roughly divided by primary use, whether for eggs, meat, or ornamental purposes, and with some considered to be dual-purpose. In the 21st century, chickens are frequently bred according to predetermined breed standards set down by governing organizations. The first of such standards was the British Poultry Standard, which is still in publication today. Other standards include the Standard of Perfection, the Australian Poultry Standard, and the standard of the American B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicken
The chicken (''Gallus gallus domesticus'') is a domesticated junglefowl species, with attributes of wild species such as the grey and the Ceylon junglefowl that are originally from Southeastern Asia. Rooster or cock is a term for an adult male bird, and a younger male may be called a cockerel. A male that has been castrated is a capon. An adult female bird is called a hen and a sexually immature female is called a pullet. Humans now keep chickens primarily as a source of food (consuming both their meat and eggs) and as pets. Traditionally they were also bred for cockfighting, which is still practiced in some places. Chickens are one of the most common and widespread domestic animals, with a total population of 23.7 billion , up from more than 19 billion in 2011. There are more chickens in the world than any other bird. There are numerous cultural references to chickens – in myth, folklore and religion, and in language and literature. Genetic studies have pointed to mult ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norway
Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of Norway. Bouvet Island, located in the Subantarctic, is a dependency of Norway; it also lays claims to the Antarctic territories of Peter I Island and Queen Maud Land. The capital and largest city in Norway is Oslo. Norway has a total area of and had a population of 5,425,270 in January 2022. The country shares a long eastern border with Sweden at a length of . It is bordered by Finland and Russia to the northeast and the Skagerrak strait to the south, on the other side of which are Denmark and the United Kingdom. Norway has an extensive coastline, facing the North Atlantic Ocean and the Barents Sea. The maritime influence dominates Norway's climate, with mild lowland temperatures on the se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Districts Of Norway
The country of Norway is historically divided into a number of districts. Many districts have deep historical roots, and only partially coincide with today's administrative units of counties and municipalities. The districts are defined by geographical features, often valleys, mountain ranges, fjords, plains, or coastlines, or combinations of the above. Many such regions were petty kingdoms up to the early Viking Age. Regional identity A high percentage of Norwegians identify themselves more by the district they live in or come from, than the formal administrative unit(s) whose jurisdiction they fall under. A significant reason for this is that the districts, through their strong geographical limits, have historically delineated the region(s) within which one could travel without too much trouble or expenditure of time and money (on foot or skis, by horse/ox-drawn cart or sleigh or dog sled, or by one's own small rowing or sail boat). Thus, dialects and regional commonality in f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jæren
Jæren is a traditional district in Rogaland county, Norway. The other districts in Rogaland are Dalane, Ryfylke, and Haugalandet. Jæren is one of the 15 districts that comprise Western Norway. At about , Jæren is the largest flat lowland area in Norway, stretching from the municipality of Randaberg in the north to Hå in the south. It includes the whole Stavanger Peninsula and the mainland area at its base. The coast is flat compared to the rest of the mountainous Norwegian coast, and it has sandy beaches along most of the coastline. The largest urban area in Jæren is the adjoining cities of Stavanger/Sandnes (pop. 210,874 in 2015). Economy The petroleum industry around Stavanger is an important part of the economy of Jæren, with the headquarters of the country's largest oil company Equinor being located in Jæren, as well regional offices of international companies like ExxonMobil, Eni, Shell, ConocoPhillips, BP, Schlumberger, Halliburton, Baker Hughes, and several ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rogaland
Rogaland () is a Counties of Norway, county in Western Norway, bordering the North Sea to the west and the counties of Vestland to the north, Vestfold og Telemark to the east and Agder to the east and southeast. In 2020, it had a population of 479,892. The administrative centre of the county is the Stavanger (city), city of Stavanger, which is one of the largest cities in Norway. Rogaland is the centre of the Norwegian petroleum industry. In 2016, Rogaland had an unemployment rate of 4.9%, one of the highest in Norway. In 2015, Rogaland had a fertility rate of 1.78 children per woman, which is the highest in the country. The Diocese of Stavanger for the Church of Norway includes all of Rogaland county. Etymology ''Rogaland'' is the region's Old Norse name, which was revived in modern times. During Denmark's rule of Norway until the year 1814, the county was named ''Stavanger amt (subnational entity), amt'', after the large city of Stavanger. The first element is the plural ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Selective Breeding
Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together. Domesticated animals are known as breeds, normally bred by a professional breeder, while domesticated plants are known as varieties, cultigens, cultivars, or breeds. Two purebred animals of different breeds produce a crossbreed, and crossbred plants are called hybrids. Flowers, vegetables and fruit-trees may be bred by amateurs and commercial or non-commercial professionals: major crops are usually the provenance of the professionals. In animal breeding, techniques such as inbreeding, linebreeding, and outcrossing are utilized. In plant breeding, similar methods are used. Charles Darwin discussed how selective breeding had been successful in producing change over time in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bryne
Bryne () is a List of towns and cities in Norway, town in Time, Norway, Time municipality in Rogaland county, Norway. The city is the administrative centre of the municipality of Time and it is also List of urban areas in Norway by population, one of the 50 largest towns/cities in Norway. Bryne's location in the region of Stavanger/Sandnes and its road and rail links have made Bryne a popular area for commuters. The city is expanding rapidly and there have been reports of problems with schooling capacity. Bryne Church is located in the centre of the city and Time Church is located east of the city . Bryne is located on the southern shores of the lake Frøylandsvatnet, about 25 minutes south of the city of Stavanger by train. The city has a population (2021) of 12,465 and a population density of . The city's urban area crosses over the municipal border to Klepp Municipality, with and 1,800 residents living in the neighboring municipality. History The village of Bryne was fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hvam, Nes
Hvam is a village in Nes municipality, Norway. It is a part of the urban area Tomteråsen, which is located a few miles west of the urban area Årnes. Its population is 660. References Villages in Akershus Nes, Akershus {{Akershus-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Norwegian Forest And Landscape Institute
The Norwegian Forest and Landscape Institute ( no, Norsk institutt for skog og landskap) was a research institute A research institute, research centre, research center or research organization, is an establishment founded for doing research. Research institutes may specialize in basic research or may be oriented to applied research. Although the term often i ... based in Norway. Organizationally subordinate to the Norwegian Ministry of Agriculture and Food, it is autonomous in its research. It was established on 1 July 2006 through a merger of the Norwegian Forest Research Institute () and the Norwegian Institute of Land Inventory (). Headquarters are in Ås, and regional offices are in Bergen, Steinkjer and Tromsø. The director is Arne Bardalen. On June 30, 2015 the Institute was merged into the Norwegian Institute of Bioeconomy Research. References Research institutes in Norway Multidisciplinary research institutes Earth sciences organizations Forest research i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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