And that’s exactly what farmers at egg-laying facilities do. In the U.S. and Canada, the most common method of chick-culling is maceration — that is, grinding the chicks to death en masse.

Female hens don’t fare much better. Though they are kept alive to lay eggs, many live in cramped environments that prevent ...

The UK-based Royal Society for the Prevention of Cruelty to Animals (RSPCA) says that maceration ... kill" eggs on the market last year. They developed a non-invasive way to determine chicken ...