The embryonic death, can happen in several incubation periods, it could be due the lack of embryo vitality, that can have origin in reproducers vitamin and minerals deficiencies.

This situation is due a lot of times to the exhaustion of the organic reservations of the birds that are fundamental to the embryo development.

The breeder should, besides the hygiene in the cage and nest, try to compensate the organic bird effort during breeding season, with extra supply of calcium, minerals and vitamins.