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1 cze 2020 · Most archaeologists had assumed that bird bones found with those of pigs and dogs, along with agricultural tools, at 8,000-year-old sites in northern China were the earliest evidence of chicken...
24 lis 2014 · It could be that chickens were domesticated in many places and have acquired a patchwork genome as they spread and interbred that reflects their varied origins.
11 wrz 2023 · Chickens, spanning from their ancient forebears to the varied domestic breeds we recognize today, have undertaken a fascinating journey, influenced by the intricate interplay of natural selection and human-guided selective breeding. The domestication of wild animals stands as a significant milestone in human civilization's journey. Over the ...
21 sty 2021 · The 10 indigenous chicken breeds used in the present study include three Thai indigenous chicken breeds for meat production; Betong (BT), Nin Kaset meat chicken with white feathers (NK-W) or...
In wild animals this gene coordinates reproduction with day length, confining breeding to specific seasons. The mutation disabling this gene enables chickens to breed—and lay eggs—all year long.
12 lut 2020 · Our study reveals a polyphyletic origin of domestic chicken diversity with the Red junglefowl as the main ancestor and subsequent introgression from the Grey, Ceylon, and Green junglefowls. These findings provide new insights into the domestication and evolutionary history of the species.
6 cze 2022 · In 2020, a study of 863 living chickens’ genomes confirmed that the jungle fowl Gallus gallus spaedicus subspecies was the ancestor of living chickens; chickens share more of their DNA with that subspecies than other types of jungle fowl.
