Dutch scientists have developed a non-invasive technique to determine the sex of chicken embryos while still inside the egg. The method utilizes light-based analysis, eliminating the need to hatch the chicks for sex identification. Currently, millions of male chicks are culled annually in the poultry industry as they are not needed for egg production. This new technology offers a potential solution to drastically reduce this practice, addressing ethical concerns surrounding animal welfare. Researchers believe the technique is highly accurate and scalable for commercial use. Widespread adoption could significantly impact poultry farming practices globally. The innovation promises a more humane and efficient approach to chick sexing.