“Its head looks like a turkey's, its body resembles a chicken's -- now scientists can explain why one of the poultry world's most curious specimens has developed such a distinctive look. The Transylvanian naked neck chicken -- once dubbed a Churkey or a Turken because of its hybrid appearance -- has developed its defining feature because of a complex genetic mutation. Researchers at The Roslin Institute at The University of Edinburgh found that a vitamin A-derived substance produced around the bird's neck enhanced the effects of the genetic mutation. This causes a protein -- BMP12 -- to be produced, suppressing feather growth and causing the bird to have an outstanding bald neck. The findings could help poultry production in hot countries, including in the developing world, because chickens with naked necks are much better equipped to withstand the heat.” Click here for more.
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