Sex reassignment in the egg

Israeli start-up Soos has developed a technique to alter the sex of embryos from male to female in the hatchery and thus tackle the culling of male chicks. Every year the global egg industry produces 15 billion chicks. Half of them are female and grow up to be functional layers but the other 7.5 billion are males and are culled, leading not only to major ethical and animal welfare concerns but also to lost revenue and missed potential. As increasingly more countries are banning the culling of m