History through the eyes of a chicken - Chris A. Kniesly

4,610,024 views ・ 2018-10-11

TED-Ed


Please double-click on the English subtitles below to play the video.

Prevodilac: Ivana Krivokuća Lektor: Tijana Mihajlović
00:06
The annals of Ancient Egyptian king Thutmose III
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Anali staroegipatskog kralja Tutmosa III
00:10
described a marvelous foreign bird that
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opisivali su divnu stranu pticu
00:13
“gives birth daily.”
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koja se „porađa svakog dana“.
00:15
Zoroastrians viewed them as spirits
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Zoroastrijanci su ih smatrali duhovima
00:17
whose cries told of the cosmic struggle
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čiji vapaji govore o kosmičkoj borbi
00:20
between darkness and light.
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između svetlosti i tame.
00:22
Romans brought them on their military campaigns
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Rimljani su ih vodili u vojne pohode
00:24
to foretell the success of future battles.
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da bi im predvidele uspeh predstojećih bitaka.
00:28
And today, this bird still occupies an important,
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A danas ova ptica i dalje zauzima važno,
00:31
though much less honorable position
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mada znatno manje časno mesto -
00:34
– on our dinner plates.
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na našem tanjiru.
00:36
The modern chicken is descended primarily from the Red Junglefowl,
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Današnja kokoška vodi poreklo prvenstveno od crvene divlje kokoške
00:41
and partially from three other closely related species,
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i delom od tri druge srodne vrste
00:44
all native to India and Southeast Asia.
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koje potiču iz Indije i jugoistočne Azije.
00:47
The region’s bamboo plants produce
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Stabljike bambusa u ovoj oblasti proizvode
00:49
massive amounts of fruit
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ogromne količine voća
00:50
just once every few decades.
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samo jednom u nekoliko decenija.
00:53
Junglefowls’ ability to lay eggs daily
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Sposobnost crvene divlje kokoške da svakog dana polaže jaja
00:56
may have evolved to take advantage of these rare feasts,
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možda se razvila vremenom da bi se iskoristile te retke gozbe,
01:00
increasing their population when food was abundant.
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čime bi se populacija povećala kada bi hrane bilo u izobilju.
01:04
This was something humans could exploit
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To je bilo nešto što su ljudi mogli da neprekidno koriste,
01:06
on a consistent basis,
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01:07
and the birds’ weak flight capabilities
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a usled slabih sposobnosti ovih ptica da lete
01:09
and limited need for space made them
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i ograničene potrebe za prostorom,
bilo ih je lako uhvatiti i čuvati.
01:12
easy to capture and contain.
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01:15
The earliest domesticated chickens,
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Prve kokoške koje su pripitomljene,
01:17
dating at least back to 7,000 years ago,
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pre najmanje 7 000 godina,
01:20
weren’t bred for food,
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nisu uzgajane radi hrane,
već zbog nečega što se danas smatra manje moralno prihvatljivim.
01:22
but for something considered less savory today.
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01:25
The aggressiveness of breeding males,
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Zbog agresivnosti priplodnih mužjaka
01:27
armed with natural leg spurs,
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naoružanih prirodnim ostrugama na nogama,
01:29
made cockfighting a popular entertainment.
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borba petlova je postala popularna zabava.
01:33
By the second millennium BCE,
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Do drugog milenijuma pre nove ere,
01:35
chickens had spread from the Indus Valley to China
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kokoške su se proširile iz doline Inda u Kinu i Srednji Istok
01:38
and the Middle East to occupy royal menageries
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da bi zauzele kraljevske menažerije
01:41
and to be used in religious rituals.
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i da bi se koristile u religijskim ritualima.
01:43
But it was in Egypt
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Ali tek u Egiptu
01:45
where the next chapter in the bird’s history began.
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počinje naredno poglavlje u istoriji ove ptice.
01:49
When a hen naturally incubates eggs,
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Kada kokoška prirodno izlegne jaja,
01:51
she will stop laying new ones
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prestaće da leže nova
01:53
and sit on a “clutch” of 6 or more eggs for 21 days.
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i sedeće 21 dan na leglu od šest ili više jaja.
01:58
By the middle of the 1st millennium BCE,
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Do sredine prvog milenijuma pre nove ere,
02:01
the Egyptians had learned
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Egipćani su naučili
02:02
to artificially incubate chicken eggs
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da veštački inkubiraju kokošja jaja
02:04
by placing them in baskets over hot ashes.
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tako što bi ih stavili u korpe iznad vrelog pepela.
02:08
That freed up hens to continue laying daily,
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To je oslobodilo kokoške tako da su mogle da nastave sa svakodnevnim izleganjem,
02:11
and what had been a royal delicacy
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i ono što je bilo kraljevska poslastica
02:14
or religious offering
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ili prineti dar u religiji
02:15
became a common meal.
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postalo je običan obrok.
02:18
Around the same time as Egyptians were incubating eggs,
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Otprilike u isto vreme kada su Egipćani inkubirali jaja,
02:21
Phoenician merchants introduced chickens to Europe,
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feničanski trgovci su doveli kokoške u Evropu,
02:24
where they quickly became an essential part
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gde su ubrzo postale važan deo
02:26
of European livestock.
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evropskog inventara životinja.
02:28
However, for a long time,
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Međutim, dugo vremena
02:30
the chicken’s revered status continued to exist
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poštovani status kokošaka je nastavio da postoji
02:33
alongside its culinary one.
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uporedo sa kulinarskim.
02:36
The Ancient Greeks used fighting roosters
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Stari Grci su koristili borbene petlove
02:38
as inspirational examples for young soldiers.
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kao inspirativne primere za mlade vojnike.
02:41
The Romans consulted chickens as oracles.
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Rimljani su konsultovali kokoške radi proročanstava.
02:45
And as late as the 7th Century,
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A tek u sedmom veku,
02:47
the chicken was considered a symbol for Christianity.
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kokoška je smatrana simbolom hrišćanstva.
02:50
Over the next few centuries,
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Narednih nekoliko vekova,
02:52
chickens accompanied humans wherever they went,
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kokoške su sledile ljude gde god da su išli,
02:54
spreading throughout the world through trade,
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širile se svetom kroz trgovinu,
02:57
conquest,
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02:57
and colonization.
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osvajanja
i kolonizaciju.
02:59
After the Opium Wars,
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Nakon Opijumskih ratova,
03:01
Chinese breeds were brought to England
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kineske rase su donete u Englesku
03:03
and crossed with local chickens.
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i ukrštane sa lokalnim kokoškama.
03:05
This gave rise to a phenomenon called
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To je dovelo do pojave zvane
03:07
“Hen Fever”
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„kokošja groznica“
ili „fensi“,
03:09
or “The Fancy”,
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03:10
with farmers all over Europe
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kada su farmeri širom Evrope
03:12
striving to breed new varieties
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težili da uzgajaju nove sorte
03:14
with particular combinations of traits.
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sa naročitim kombinacijama osobina.
Ovaj trend je privukao pažnju
03:17
This trend also caught the attention
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izvesnog Čarlsa Darvina,
03:19
of a certain Charles Darwin, who wondered if
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koji se pitao da li se sličan proces selektivnog razvoja dešava u prirodi.
03:21
a similar selective breeding process occurred in nature.
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03:25
Darwin would observe hundreds of chickens
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Darvin je posmatrao stotine kokošaka
03:27
while finalizing his historic work
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dok je završavao svoje istorijsko delo
03:30
introducing the theory of Evolution.
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kojim je predstavio teoriju evolucije.
03:33
But the chicken’s greatest contribution to science
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Ali, najveći doprinos kokošaka nauci
03:35
was yet to come.
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tek je usledio.
03:36
In the early 20th century,
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Početkom 20. veka,
03:38
a trio of British scientists
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trio britanskih naučnika
03:40
conducted extensive crossbreeding of chickens,
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sproveo je veliko ukrštanje kokošaka,
03:43
building on Gregor Mendel’s
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nadovezujući se na istraživanja
03:45
studies of genetic inheritance.
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genetskog nasleđivanja Gregora Mendela.
03:47
With their high genetic diversity,
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Sa svojom velikom genetskom raznolikošću,
03:49
many distinct traits,
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mnogo različitih osobina
03:51
and only 7 months between generations,
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i samo sedam meseci razlike između generacija,
03:53
chickens were the perfect subject.
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kokoške su bile savršeni subjekat.
03:56
This work resulted in the famous Punnett Square,
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Ovo je imalo za rezultat čuveni Panetov kvadrat,
03:59
used to show the genotypes that would result
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koji se koristio da pokaže koji bi genotipovi nastali
04:02
from breeding a given pairing.
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ukrštanjem datog para.
04:04
Since then,
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Od tada,
04:05
numerous breeding initiatives have made chickens
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mnoge inicijative ukrštanja učinile su kokoške
04:07
bigger and meatier,
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većim i mesnatijim
04:08
and allowed them to lay more eggs than ever.
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i omogućile su im da polažu više jaja nego ikada.
04:11
Meanwhile,
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Za to vreme,
04:12
chicken production has shifted to an industrial, factory-like model,
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proizvodnja pilića je prešla na industrijski model sličan fabričkom,
04:16
with birds raised in spaces with a footprint
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pri čemu su ptice uzgajane u prostorima površine
04:19
no larger than a sheet of paper.
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ne veće od lista papira.
04:21
And while there’s been a shift towards free-range farming
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Mada je bilo pomaka ka slobodnom uzgoju
04:24
due to animal rights and environmental concerns,
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zbog brige o pravima životinja i životnoj sredini,
04:27
most of the world’s more than 22 billion chickens today
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većina od preko 22 milijarde pilića u svetu danas
04:30
are factory farmed.
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uzgaja se fabrički.
04:32
From gladiators and gifts to the gods,
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Od gladijatora i prinošenja darova bogovima
04:36
to traveling companions and research subjects,
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do saputnika i istraživačkih subjekata,
04:38
chickens have played many roles over the centuries.
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kokoške su kroz vekove igrale mnogo uloga.
Mada možda nisu nastale pre jajeta, kao u izreci,
04:42
And though they may not have come before the proverbial egg,
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04:45
chickens’ fascinating history tells us a great deal about our own.
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fascinantna istorija kokošaka nam mnogo toga govori i o našoj istoriji.
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