When eggs are stored too long

Last year, I visited a hatchery that was fully dependent on imported hatching eggs. To ensure a constant supply of eggs, the hatchery had an export agreement for 1,600 boxes to be flown in every week. Egg age at setting averaged 7-9 days, from which the hatchability of eggs set was 86%.Martin ‘Tiny’ Barten, Senior Hatchery Specialist, Pas Reform Hatchery Technologies During the first day of my visit, the egg storage room was still quite full, despite the fact that a delivery of eggs had been