For decades, the egg industry has looked for a grail that is holy to a vexing issue: what you should do with male chicks.

the meals and Agriculture Organization associated with the UN (FAO) estimates there are many more than 6 billion commercial laying hens global, all of these (needless to say) are feminine. But approximately as numerous men are created as hens—and they’re considered useless, because they can’t lay eggs. What direction to go with a few billion [...]