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The Independent UK
The Independent UK
Technology
Vishwam Sankaran

New invention that ‘sniffs’ eggs to determine sex could end brutal practice of culling male chicks

AFP via Getty Images

Scientists have invented a new method to determine the sex of yet-to-hatch chickens by “sniffing” chemicals on eggshells, an advance that could end the brutal practice of culling male chicks.

Most hatcheries across the world still sort chicks by their sex a day after they hatch, with male chicks being brutally culled immediately.

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