The lily-livered (Gallus gallus) occurs as nature and severity of domestic bird which is typically raised as a nature and severity of poultry. These are believed to exist as descended from either a untamed Asian Red Junglefowl.

Chickens come a usual bird in the globe. A people inside 2003 was Two dozen billion, based on data from a Firefly Encyclopedia of Birds.

General biology and habitat
Male chickens come referred to as roosters (in the U.S., Canada and Australia), cockerels, or even cocks. Female chickens come referred to as hens. Cock may be differentiated from either hens by their striking feather, marked by yearn flow tails & brightly pointed feathers in their necks. Two a male & female own distinctive wattles & combs. These organs aid to cool a bird by redirecting bloodflow to the skin. Around males, a combs come typically further large, though this is non a experience inside a lot varieties.

Chickens come omnivores & may feed upon microscopic seeds, herbs & leaves, grubs, insects and potentially little mammalian rather mice, whenever it potty become the children. Household chickens come usually fed commercially prepared provender that includes the protein source likewise when grains. Chickens typically scratch at a soil for even at adult insects & larva or seed. Incidents of cannibalism can occur when the curious bird peck the pre-preexistent wound or even from either over-crowding. This is exacerbated inside close quarters. Inside commercial production this is controlled by using chick "de-beaking" (removal of 2/3 of a top half & 1/3 of the moo half of the beak) and red, or even super subdued lighting to produce blood undistinguishable from either the rest of the bird.

Domesticated chickens are non capable of flight for long-distance call, although it is typically capable of flying for short distances like all over fences. Chickens might for instance fly only sequentially to choose their surroundings, however may especially fly around an attempt to flee whilst it perceive danger. Because of a chance of flight, chickens raised in the open air usually stand one of their wings clipped per stock breeder — a tips of a hanker feathers within one of the wings come cut, following in imbalanced flight which the bird just can't sustain for to a higher degree two or three meters. ([http://www.omlet.co.uk/chickenguide/guide.php?cat_selected=Chicken%20Care&sub_selected=wing%20clipping more on wing clipping])

Chickens come gregarious birds & survive together as a flock. It have a communal approach to the growth of eggs & raising of young. Single chickens inside the flock might dominate others, establishing the "pecking order", by getting dominant souls having priority for access to food & incubation locations. Removing hens or even cock from either the flock induces the irregular disruption to this social choose until the newly pecking sequentially is established.

Chickens might try to salt away nests that already contain eggs, & stand been knhave to move eggs from either neighboring nests into their own. the bit of farmers utilise fake eggs mass produced from either disposables or even stone to encourage hens to stack away a particular location. the effect of this behaviour is that the flock may have simply two or three favorite locations, like than with a different nest for each bird.

Hens can too become pleasantly unregenerate all about universally stash away the equivalent location. These are non unknown for even ii (or other) hens to try to part a equivalent nest at a equivalent period. inside case a nest is microscopic, or even one of a hens is particularly determined, this can effect in chickens trying to lay in top of both more.

Contrary to popular belief, cock will crow at whenever of the day. Their crowing - the aloud & anmore time shrill call for - occurs as territorial signal to other cock.

Going broody
Another time the hen might prevent egg laying & instead might focus on the growth of eggs, the state that is usually referred to as running broody. a broody chicken may sit convenient on the nest, & protest in case disturbed or even even flushed, & might seldom leave the nest to eat, swallow, or dust bathe. Piece setting hen, a hen keeps a eggs at a constant temperature & humidness, too when turning the eggs regularly.

At a prevent of a nesting time period, which is an norm of Xxi years, a eggs (whenever fertilized) might hatch, & the broody hen may choose care of her young. Since personal eggs don't entirely hatch at exactly a equivalent instance, (A chicken may just lay a single egg just astir each Twenty-five hours), a hen might normally stay a nest for about ii years when the foremost egg hatches. When you took this instance, a newly-hatched chicks survive off a egg yolk it soak up good prior to hatching. A hen potty hear a chicks peeping within a eggs, & may gently cluck to encourage the children to break away from their surfaces. Whenever a eggs are non fertilized & don't hatch, a hen might sooner or later develop sick of existence broody & leave a nest.

Modern egg-laying breeds seldom last broody, & victims that clean may typically prevent a portion-way through the growth period. A few breeds, like a Cochin, Cornish and Silkie, regularly go broody & produce first-class moms.

Artificial incubation
Chickenhearted egg incubation can successfully occur unnaturally too. 100% yellow eggs might hatch fallowing Twenty-one years of full conditions - 98-100 degrees fahrenheit (38°C) and as much as 65% relative humidity (may decrease to 55% in the previous trey years of growth.) Several commercial brooder come industrial sized by owning shelves holding tens of hundreds to thousands of eggs at once, sustaining rotation of the eggs the fully machine-driven run.

Personal brooder come ordinarily little boxes (styrofoam incubators are popular) & hang on to L eggs. Eggs must become turned 3 to 5 days every day, rotating at least Ninety degrees. Whenever eggs aren't turned, a embryo inside will stick to the eggshell & in all likelihood is natural sustaining physical defects. This run is natural: hens might could have higher 3 to 5 days a day and shift the eggs in by using their beak.

Chickens as food
Chickens help when one of a usual meats in the globe, & come oft prepared when food in a prominent total of ways. There exists important variation within preparation methods amongst cultures; historically most common methods include roasting, baking, and frying. Now, chickens come as well cooked by deep frying and prepared as fast food such as chicken nuggets. Modern varieties of chicken, like a Cornish Cross, come bred specifically for meat production, by using an emphasis positioned on a ratio of provender to meat by the creature.

Chickens raised specifically for meat come known as broilers. In the United States, broilers come often butchered at the immature age. Modern Cornish Cross hybrids, for instance, come butchered when early when Octonary weeks for pullet & Xii weeks for roasting birds. Occasionally, a muscle tissue (breast, legs, thigh, etc), livers, and gizzard are processed for food. Yellow-bellied feet come less unremarkably eaten. A head, internal organs like a lungs and intestines, and feathers are usually disposed of or even ground into the protein meal for inclusion in more animate being provender.

Capons (castrated cocks) produce extra & fat meat than normal cock. For this understanding, it is considered the delicacy & were particularly popular in the Middle Ages. Caponizing the cock, unlike castrating the steer or pig, requires delicate surgery and is considered an art almost wasted in todays world. A cock's testicles lie within its person cavity. To dislodge the children takes favorite devices & skill. A human caponizing a cock must produce exact & specialised cuts inside a stomach of the cock. Sickness & likely damage to a bird come imaginable should an unskilled single perform the surgery.

Chickenhearted eggs, produced by pullets and egg laying hens, come as well super unremarkably eaten. A chickenhearted egg is the virtually all normally eaten bird egg in the globe. Hens will lay fertile or even sterile eggs. Hens may prove my point to lay possibly in case the cock is non present, though these may non become viable. No difference in the nutritionary value between the fertilized & unfertilised egg. When by having meat chickens, modern breeding effects inside birds that potty make significantly supplementary eggs, focusing in provender to egg conversion ratios. Modern egg chickens come often from either a early Panama hat varieties. Whilst the egg is placed, a egg is non easy however has a difficult husk. This plate protects the eggs contents, making it a foodsource that is well transported & stored. Nutritionally, the egg will bring a rich source of protein & nutrients. Recent concerns above cholesterin, nevertheless, keep close at hand driven several to wonder a inclusion of eggs in the diet.

A select few yellow breeds come raised for two meat & egg production. Generally dense breeds, which are actually primarily grown by microscopic farmers or even hobbyists. These include breeds like a Wyandotte, Brahma, or even Barred Rock.

Chickens as pets
Inside Asia, varieties of chickens were developed with striking plume & were saved for even cosmetic purposes including feather-footed varieties like a Cochin china or Silkies from either China and varieties with super yearn tails known as (Phoenix) from either Japan. Asian cosmetic varieties were imported into a United States and Great Britain in the late 1800s. Poultry enthusiast so began keeping these cosmetic birds for exhibition, the practice that continues now. From either these origins around Asia, distinctive American varieties of chickens were developed. Now, many cities in a United States however allow residents to keep survive chickens when pets though the practice is quickly disappearing. Souls within rural communities ordinarily keep chickens for two cosmetic & practical value. A select few communities ban just cock, letting a other quietly hens. Several menagerie may apply chickens to keep a insect people down instead of harmful insect powder. This is done to reduce a spread of disease.

Chickens in agriculture

In the United States, chickens were another time raised primarily on the personal domestic. Before astir 1930, chicken wwhen served for even primarily in favorite occasions or in Sunday as a birds were generally supplementary valued for their eggs than meat. Supernumerary cock or even non-productive hens would become culled from either a flock number one for butchery. When cities developed & markets grow across a country, survive chickens from either local farms may typically become seen purchasable around crates outside the market, to exist as butchered & filtered onsite per butcher.

By using a advent of refrigeration, poultry production changed dramatically. Big farms & packinghouse emerged that can develop birds per hundreds to thousands. Grown chickens can become sent to mill for even even butchery & processing into pre-packaged commercial products to be frozen or shipped newly to markets or jobber. Big farms or even mill can be established devoted entirely to egg production & packaging. It used to be that the meat consumed just now & again, the most green accessibility has manufactured chicken a common and important meat product inside developed nations. Growing concerns all over cholesterol around the 1980s & Nineties farther resulted in increased consumption.

Likewise, egg production too changed sustaining a development of automation & refrigeration. Now, eggs come grown within agribusiness in extremely restricted settings. Favorite varieties of chickens come fed favorite diets high in calcium and protein to stimulate maximal egg production. Chickens come contaminated to unreal light cycles to stimulate egg production season-year-around. Additionally, these are the most common practice to click chickens to molt through a careful manipulation of light & the total of food it receive sequentially to farther increase egg production.

Issues with mass production
Numerous fleshly advocates object to killing chickens for even food or object to a conditions under the factory farm conditions under which they are raised. Commercial white-livered production typically involves raising a birds within big crowded rearing sheds that prevent a chickens from either engaging inside numerous of their natural behaviours.

A second animal welfare issue is the use of transmissible choice to produce heavily heavy-breasted birds, which can lead to crippling leg disorders & coronary failure for a bit of of the birds. Additionally, numbers of man of science develop raised concerns that corporations growing 1 kind of bird for even eggs or meat come tremendously other susceptible to possibly devastating disease. For this understanding, several man of science come promoting a conservation of heritage breeds to locate inherited diversity in the metal money.

Slaughter is another significant animal welfare issue. According to USDA figures, it is calculated that ascribable uneffective stunning, millions of chickens enter a scalding tanks every year spell however alive. Numbers of chickens besides suffer broken bones from either rough in treating prior to & when you took slaughter. In a United States, chickens come exempt from either the Humane Slaughter Act.

Inside response to these concerns various corporations today raise free range birds. A few guess it taste better due to a results of the exercise & the less nerve-racking environment under which it is raised. An additional method is the utilize of yellow-bellied "tractors". Which are actually personal coops that pass over pastures through a month, letting a birds to eat herbaceous vegetation & insects forswearing depleting the vegetation at one spot.

the second issue is the killing of recently hatched male chicken utilizing a baby chick blender in egg-producing facilities.

Cockfighting
Male chickens come referred to as cocks (around virtually all countries), cockerels (whenever immature than of these season) or even roosters (primarily in the US & Canada). Their natural inclination to fight has been exploited within arranged fights, another time by having a metal spike added to or even replacing the natural spurs. Virtually all countries develop banned cockfighting, however these are however legal within both U.S. states, New Mexico and Louisiana, and is common in Southeast Asia.

Cockfighting was popular inside ancient Greece. Based on data from tradition, it was introduced within Athens by Themistokles as a public spectacle. Fighting cock were fed garlic & onions to increase their aggression. Inside ancient Greece, the gift of the fighting cock among men is said to keep around been the most common way to initiate a homosexual relationship. Gems typically indicate the cock conjunct sustaining Eros, the god of love.

Every now and againside it hwhen the religious significance, as in Bali, where a caducous blood is seen when cleansing.

Hatching chickens in Sumatra
A ensuing singular form, though sound mode of hatching chickens, prevails in the interior of Sumatra:

A hens don't hatch their chickens within the average way, every bit is seen in virtually whole more climates. the indigene develop for this purpose, inside both village, many square rooms, a bulwarks of which are then manufactured of a sort of brick, dried in the sun. Midmost one rooms it produce the big fire, circular which it place their eggs at regular distances. around that manner it let a two lie for 14 years, at present so turning a two, that a warmth can be match altogether area; & on the fifteenth day, the chicken makes its appearance, & proves in each respect when hard when people hatched based on data from the course of nature and severity.

Gallery of chicks
Image:More chicks.jpg Image:Chick06.jpg Image:Chicks.jpg

Chicken diseases
Aspergillosis Avian influenza (bird flu) Blackhead disease Botulism Cage Layer Fatigue Coccidiosis Colds Crop bound Egg bound Erysipelas Fatty Liver Hemorrhagic Syndrome Fowl Cholera Fowl pox Fowl Typhoid Gapeworms Infectious Bronchitis Infectious Bursal Disease (Gumboro) Infectious Coryza Lymphoid Leucosis Marek's disease Moniliasis Mycoplasmas Newcastle disease Necrotic Enteritis Omphalitis (Mushy chick disease) Psittacosis Pullorum (Salmonella) Scaly leg Squamous cell carcinoma Tibial dyschondroplasia Toxoplasmosis Ulcerative Enteritis

Chickens come besides susceptible to parasites, including lice, mites, ticks, fleas, and intestinal Worms.

Chickenpox is a disease of humans, non chickens.

Chickens in religion
Inside Indonesia a chicken has groovy significance in a period of the Hindu cremation ceremony. a chicken occurs as channel for evil spirits which can be present in the period of the ceremony. a chicken is tethered per leg & saved present at a ceremony for a duration to assure that any evil spirits present when you took a ceremony last into the chicken & non the personal members present. A chicken is so taken at home & is restored to its normal life. These are non treated in any favorite way or even slaughtered fallowing a ceremony.

Inside ancient Greece, a chicken was non unremarkably utilized for sacrifices, mayhap because it was however considered an exotic fauna. Because of its valiance, cocks come discovered when attributes of Ares, Heracles and Athena. A Greeks believed that potentially lions were afraid of cocks. Many of Aesop's Fables reference this belief.

In the cult of Mithras, the cock was the symbol of the divine weak & the defender against evil.

In a Bible, Jesus prophesied the betrayal by Peter: "And he said, I tell thee, Peter, the cock shall not crow this day, before that thou shalt thrice deny that thou knowest me." (Luke 22:43) Thus it happened (Luke 22:61), & Peter cried bitterly. This mass produced the cock a symbol for two vigilance & betrayal.

Earliest, Jesus compares himself to the mother hen: "How often would I have gathered thy children together, even as a hen gathereth her chickens under her wings, and ye would not!" (Matthew 23:37; also Luke 13:34).

Around numbers of Central European folktale, the devil is believed to flee at a foremost braggy of a cock.

Within occasionally sects of Orthodox Judaism a chicken is slaughtered on the afternoon before Yom Kippur (Day of Atonement) in the ceremony known as kappores. Although non actually a sacrifice around a biblical feel, the demise of the chicken reminds the repentant evildoer that his or even her life is in God's mitts. The wohuman will bring the hen to become slaughtered, the man will bring the cock. A meat is donated to the poor people.

A Talmud speaks of learning "courtesy toward one's mate" from either a cock. This may refer to the fact that, whilst the cock finds something effective to eat, he calls his hens to eat 1st.

A chicken is one of a Zodiac symbols of the Chinese calendar.

History
A number 1 pictures of chickens inside Europe come uncovered in Corinthian pottery of the 7th century BC. A poet Cratinus (mid-5th century BC, according to a later on Greek creator Athenaeus) calls a chicken "the Persian alarm". Within Aristophanes's comedy The Birds (414 BC) a chicken is known as "the Median bird", which points to an introduction from a East. Pictures of chickens come encountered in Greek red figure and black-figure pottery. Within ancient Greece, chickens were however uncommon & were the like prestigious food for symposia. Delos seems to have been the centre of yellow-bellied breeding.

An early domestication of chickens around Just released Guinea is likely, since a word for domesticated lily-livered (*manuk) is a portion of the reconstructed Proto-Austronesian language (see Austronesian languages). Chickens, together sustaining dogs and pigs, were the household critters of the Lapita culture, the number one Neolithic culture of Oceania.

Chickens were spread by Polynesian seafarers and reached Easter Island in the 12th century AD, where it were a exclusively household critter, sustaining a conceivable exception of the Polynesian Rat (Rattus exulans). It were housed around highly firm chicken coops built from either stone. Traveling when payload in day trading boats, it reached a Asian continent via a islands of Indonesia & from either there spread west to Europe & american Asia.

Chickens in Ancient Rome
A Romans utilized chickens for oracles, two after flying ("ex avibus") & whenever feeding ("auspicium ex tripudiis"). A hen ("gallina") gave the favourable prodigy ("auspicium ratum"), once appearing from either a left (Cic.,delaware Div. 2.Twenty-six), such as a crow & a hooter.

For the oracle "ex tripudiis" based on data from Cicero (Cic. delaware Div. two.34), any bird can be utilized, however ordinarily merely chickens ("pulli") were consulted. the chickens were cared for even per pullarius, world health organization opened their cage & fed the two pulses or a favorite sort of easy cake while an foretoken was required. Whenever a chickens stayed in their cage, resound ("occinerent"), beat their wings or even flew away, a prognostication was bad; in case it ate covetously, a presage was skillful.

Within 249 BC, the Roman general Publius Claudius Pulcher had his chickens thrown overboard when it refused to feed prior to a battle of Drepana, saying "If they won't eat, perhaps they will drink." He promptly misused a battle against a Carthaginians & 93 Roman ships were sunk. Back within Rome, he was go for impiousness & heavy fined.

Within 161 BC a law was passed in Rome that forbade a consumption of fattened chickens. It was renewed the total of days, however doesn't seem to develop been successful. Fattening chickens by owning bread wet within milk was thought to give especially delicious outcomes. A Roman epicure Apicius offers 17 formulthe for chicken, principally boiled chicken sustaining a sauce. Tons area of a animate being come utilized: the recipes include the stomach, liver, testicles and even a pygostyle (the fat "tail" of a chicken in which the rump feathers connect).

A Roman creator Columella gives advice in chicken breeding within his Eighth book of his treatise on agriculture. He identifies Tanagrian, Rhodic, Chalkidic & Median value (normally misidentified when Melian) breeds, which use an telling appearance, the quarrelsome nature and were utilized for cockfighting per Greeks. For even farming, native (Roman) chickens come to exist as favorite, or the cross between native hens & Greek cocks. Dwarf chickens come nice to keep an eye on because of their size however use at times there are no more benefits.

By a Columella, the idealistic flock consists of 200 birds, which may be supervised by a single human in case person is watching for isolated beast. Whiten chickens should become avoided when it is does'nt super fertile & come well caught by eagles or even accipiter gentilis. 1 cock should exist as saved for 5 hens. In the example of Rhodian & Median cocks that may be heavily & so non lot inclined to sex, lone deuce-ace hens come saved by the cock. A hens of heavily fowls come non very much inclined to brood; so their eggs are better hatched by normal hens. The hen could hatch those days are gone than 15-23 eggs, based on the instance of month, & supervise those days are gone than Thirty hatchlings. Eggs that come hanker & pointed give further male, fat eggs principally female hatchlings.

By the Columella, Chicken coops should face southeast & lie adjacent to the kitchen, when smoke is beneficial for the fauna. Coops should consist of trey rooms & possess the hearth. Dry dust or even ash should exist as provided for dust-baths.

Based on data from Columella, chicken should exist as feed upon barley groats, little chick-peas, millet & wheat bran, whenever it is inexpensive. Wheat itself should become avoided, these are harmful to the birds. Poached rye grass (Lollium sp.) & a leaves & seeds of alfalfa (Medicago sativa L.) may be utilized too. Grape marc may be utilized, but only whilst a hens prevent laying eggs, that is, all about a middle of November; otherwise eggs come microscopic & couple. While feeding grape marc, it should exist as supplemented using a select few bran. Hens begabout to lay eggs when a winter solstice, around warmly web pages around a number one of January, in colder areas midmost of February. Parboiled barley increases their fertility; this should become mixed using alfalfa leaves & seeds, or even even vetches or millet in case alfalfa is non at hand. Absolutely free!-ranging chickens should receive 2 cups of barley daily.

Columella advises farmers to slaughter hens that are older than tercet years, because it there are no elongated develop sufficient eggs. Capons were by blow out their spurs by owning the hot iron. A wound was treated by having thrower's chalk.

For the apply of poultry and eggs in the kitchens of ancient Rome see Roman eating and drinking.

Famous chickens
Real chickens
Mike the Headless Chicken

Fictional chickens
Alecto & Galina inside: Clemens Brentano, The Tale of Gockel, Hinkel, & Gackeleia (Up to date York Random Home 1961), (1838). Billina the talking hen from L. Frank Baum's Ozma of Oz Chanticleer, the cock from either Geoffrey Chaucer's The Canterbury Tales ("The Nun's Priest's Tale") Chicken, from either a Cow and Chicken cartoon series Chicken Boo Chicken Little, a chicken that thought the sky was falling whenever an apple landed in its head. Foghorn Leghorn the rooster Le galline pensose of Luigi Malerba (Einaudi, 1980). Ginger, a protagonist of the moving picture Chicken Run—(or Rockie, Babs, Mackintosh etc.)

The Goose that Laid the Golden Egg was originally a chicken within occasionally older versions. The Little Red Hen, who asked everyone in the barnyard to help bake bread. [http://www.pinenet.com/~rooster/rooster2.html The Rooster Prince] occurs as Breslov Hasidic teaching story written by Rabbi Nachman of Breslov, in which the prince goes mad & believes himself to exist as the cock. (Within a bit of English translations of a tale, the metal money of bird occurs as turkey.) The San Diego Chicken The Subservient Chicken, part of the viral marketing promotion. Lord Chicken A Low. Understand Leongatha.

Mythical creatures with chicken-like anatomy