Chicken embryo tests can prevent practice of gassing billions of cockerels
The current practice of gassing billions of male chicks within a day of hatching because they cannot lay eggs could be stopped thanks to a new embryo gender test. Globally some 3.2 billion cockerels are killed within hours of breaking free of their eggs each year. Now Dutch scientists have developed a simple test that identifies the sex of chicken embryos within eggs, meaning males could be terminated long before hatching.
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