The chicken ( Gallus domesticus) is a domesticated species that arose from the red junglefowl, originally from Southeast Asia. They have also partially hybridized with other wild species of junglefowl (the grey junglefowl, Ceylon junglefowl, and green junglefowl ). [1] G. g. gallus, 1758) - southern Myanmar through Indochina G. g. jabouillei (Delacour & Kinnear, 1928) - south China to northern Vietnam and northern Laos G. g. murghi (Robinson & Kloss, 1920) - north India, Nepal, Bhutan, and Bangladesh G. g. spadiceus (Bonnaterre, 1792) - northeastern India to south China, the Malay peninsula, and north Sumatra
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chicken, ( Gallus gallus ), any of more than 60 breeds of medium-sized poultry that are primarily descended from the wild red jungle fowl ( Gallus gallus, family Phasianidae, order Galliformes) of India. The chicken is perhaps the most widely domesticated fowl, raised worldwide for its meat and eggs. (Ponnampalam 2000) Terrestrial Biomes forest Physical Description Gallus gallus ' plumage is gold, red, brown, dark maroon, orange, with a bit of metallic green and gray. There are also some white and olive feathers. Two white patches, shaped like an ear, appear on either side of the head. The classification of today's chicken ( Gallus gallus domesticus) recognizes its primary origin, the Red Junglefowl. Domestication probably occurred 7,000-10,000 years ago in Southeast Asia and Oceana. Introduction Distribution References Domestic Chickens in Isabela Island, Galapagos. Photo: Ana Mireya Guerrero, CDF. They are gregarious birds of medium size, capable of performing short flights. They have a distinctive social system and a hierarchical order established: there is a dominant male and a male subjected by all.
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The chicken embryo (Gallus gallus domesticus) provides an economical and accessible model for developmental biology research. Chicks develop rapidly and are amenable to genetic and physiological manipulations, allowing researchers to investigate developmental pathways down to the cell and molecular levels. The domestic chicken Gallus gallus domesticus is the most common livestock species. More than 65 billion chickens are raised annually to produce meat and 80 million metric tons of egg for global human consumption by the commercial sector. Chickens ( Gallus gallus domesticus or Gallus domesticus) are the most common domestic animals worldwide. However, the origin of their domestication is obscure. The early 21st century mitochondrial DNA data suggest that various red junglefowl ( Gallus gallus) subspecies are the wild ancestors of the domestic chicken. The red star's scientific name is Gallus gallus domesticus, which belongs to the order Galiformes, which consists of fowl or chicken-like birds. Additionally, this order contains 290 species, including the following:
CalPhotos Gallus gallus domesticus; Domestic Chicken
Since their domestication, chickens (Gallus gallus domesticus) have been venerated by diverse cultures across the world.Relative to other domestic animals including sheep, cattle and pigs. The Sussex chicken (Gallus gallus domesticus) is a member of the order Galliformes, which consists of ground-feeding, heavy-bodied birds, including: Quail; Turkey; Chicken; Other Landfowl; These birds are vital contributors to their ecosystems as they distribute seeds and keep insect populations from getting out of control.
Basic 19 November 2019 Gallus gallus domesticus (chickens) Author: CABI Authors Info & Affiliations Publication: CABI Compendium https://doi.org/10.1079/cabicompendium.82019 Datasheet Types: Livestock species, Host animal Get Access Abstract This datasheet on Gallus gallus domesticus covers Identity, Overview, Distribution, Further Information. The redcap chicken's scientific name is Gallus gallus domesticus, and they form part of the Galliformes order. These chicken-like birds are distinguished by their small heads, stocky build, short bills and wings, and strong feet. Additionally, roosters have a sharp horny spur behind each leg. There are many well-known species in this order.
Gallus gallus domesticus by FuriarossaAndMimma on DeviantArt
history of the genus Gallus. Domestication and dispersal across the globe The scientific naming of the domestic chicken as Gallus gallus domesticus, rather than Gallus domesticus, follows the substantial morphological and behavioural evidence sup-porting the Red junglefowl G. gallus as the primary ancestor of the domestic form (Darwin 1859). Recent attempts have been made to refine age estimations of young domestic fowl (Gallus gallus domesticus L. 1758) based on morphological and metrical analysis of the developing skeleton (Thomas et al., 2016), yet the absence of aging techniques applicable to mammals—such as dental eruption and wear patterns—renders estimations beyond age.
