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There's a harsh, brutal reality to the poultry industry, which in 2021 alone supplied about 286 eggs per person in a growing US population: Billions of male chicks are routinely culled by being crushed alive or gassed at hen hatcheries worldwide.
Fertilised chick eggs can be sexed by the “sniffing” of chemicals that they exude through their shells, a new study has found. The technique could lead to a better, more humane treatment of chicks, the researchers say.
A modified suction cup device is effective at sexing chicken eggs early in incubation, report researchers.
It could prevent the culling of billions of male chicks.
Fertilized chicken eggs can be sexed by “sniffing” volatile chemicals emitted through the shell, according to new research.