Animal Welfare
As early as possible
From an animal welfare point of view, the timing of sex determination in the egg is of central importance. The sooner, the better. According to current knowledge, no embryo has ever developed a sense of pain until the seventh day of incubation. For every solution scheduled between the seventh and the 15. day of incubation this cannot be excluded. From the 15. day onward a sense of pain has to be assumed.*
This clip shows the challenges that result from this.
(Click the image to enlarge)