From the article that you're commenting on: "There are multiple approaches to in-ovo sexing. One of the most prominent approaches uses advanced imaging to dete

From the article that you're commenting on: "There are multiple approaches to in-ovo sexing. One of the most prominent approaches uses advanced imaging to detect subtle optical differences between male and female embryos." "Another widely adopted technique involves taking a small fluid sample from inside the egg to test for sex-specific hormones or genetic markers. Kipster’s eggs, launching later this year, will use a technology of this class employing PCR analysis to detect the sex chromosome, developed by the company Respeggt."