Not exact matches
Now,
animal behaviorists have shown that
domestication was a two -
for - one deal: Not only did the birds become fearless, they also got bigger and produced more and larger eggs.
The other, more popular explanation proposes that the advent of agriculture and the attendant development of human settlements in the Middle East around 10,000 years ago created scavenging opportunities
for animals bold enough to exploit them and that wolves themselves thus initiated
domestication.
Two:
Domestication makes
animals dependent on humans
for food and,
for the most part, reproduction.
Some of the earliest and most common genetic markers
for domestication involve changes in the endocrine system that make an
animal less fearful of humans.
Belyaev's idea was that ancient humans picked wolves and other
animals for docility and that this artificial selection jump - started an evolutionary path toward
domestication.
With other researchers, he discovered that selecting
for tamer
animals carries with it a suite of unintended evolutionary consequences — ranging from changes in appearance to new behavior traits — known as
domestication syndrome.
Horses and other
animals typically used
for transport are products of directed
domestication: Humans take an
animal out of the wild with a specific use in mind, and breed subsequent generations
for that purpose.
The genome data set generated in the study also reveals important lessons
for the history of horse management, which started some 5,500 years ago, and
animal domestication as a whole.
And Dr. Ludovic Orlando from the Centre
for GeoGenetics at the University of Copenhagen concludes: «Perhaps even more exciting as it represents the hallmark of
animal domestication, we identify genes controlling
animal behavior and the response to fear.
Prior work had suggested that domesticated dogs came from the Middle East based on archaeological evidence and
domestication patterns
for other
animals.
The team proposed that this process is drawn out in domesticated
animals, because
domestication selects
for animals that develop more slowly.
«Turkeys would have made a good choice
for domestication as there were not many other
animals of suitable temperament available and turkeys would have been drawn to human settlements searching
for scraps»
Radiocarbon dating reveals the dogs lived between 450 and 300 B.C.E., the earliest evidence yet
for animal management and
domestication by the Mayans, the researchers report today in the Proceedings of the National Academy of Sciences.
In the second scenario, the Botai horses didn't survive, and were replaced by horses domesticated elsewhere, creating at least two centers of horse
domestication (as there may have been
for dogs, cats, and other
animals).
Providing a platform
for future studies into biomedicine, evolution and the
domestication of important
animals including dogs, cows, horses and pigs.
This discovery provides a significant opportunity not only to enhance our understanding of how miRNAs regulate a variety of biological processes in an important model species
for studying human diseases, but can lead to further, similar research into the role that miRNAs play in
animal domestication.
Based on observations of a group of three young female Somali wild asses at the Saint Louis Zoo, the study provides new insight into the species» social behavior in a captive setting — a relatively good proxy environment
for the early phases of wild
animal domestication.
Along with the growing of grains came the
domestication of certain
animals for use as food, mainly cattle, sheep / goats, pigs and chickens, introducing new foods made from milk into our diets, and subsequently the retention of the lactase gene into adulthood in cattle - raising populations.
The study, published by Springer in the
Animal Cognition journal, suggests that the reason
for cats» unresponsive behaviour might be traced back to the early
domestication of the species, contrasting this with the relationship of humans to dogs.
Charles Darwin wrote of polydactyl cats in his book «The Variation of
Animals and Plants Under
Domestication» published in the 1850's «I have heard of several families of six - toed cats, in one of which the peculiarity had been transmitted
for at least three generations» pre-dating claims elsewhere that the first scientific recording of feline polydactyly was in 1868.
Fact: The
domestication of
animals removed them from the «natural order» and placed responsibility
for their care with humans.
He points out the
animals have certainly had time to adjust
for people since their
domestication in Egypt over 5,000 years ago [Note: cats were domesticated simultaneously or earlier in Pakistan].