Edited chickens bring hope for rare breeds

Scientists have re-purposed hens so that rather than producing their own young they can be used as surrogates to lay eggs from rare bird breeds. A research team from the University of Edinburgh’s Roslin Institute utilised advanced gene-editing techniques targeting a crucial fertility gene known as DDX4. The development could assist in the breeding of endangered bird species as well as improving the production of commercial hens.
Norrie Russell, The Roslin Institute

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