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The world's first no-kill eggs have gone on sale after scientists found a way to determine a chick's sex before it hatches businessinsider.in/science/the-wo… 
The first no-kill eggs in the world have gone on sale in Germany after scientists discovered how to tell a chick's sex while it is still an embryo.
Humans have long relied on chickens for meat and eggs, but male chicks are not used for either purpose. They grow too slowly for people to invest in feeding them long enough to produce meat, and they are unable to lay eggs.
