The present invention relates to a method for sampling an egg, the method comprising; a) fluid coupling an interior of the egg to a source of pressure, b) controlling the pressure in the interior of the egg by the source of pressure, c) expelling an amount of fluid, in particular allantoic fluid, from the interior of the egg to the exterior of the egg as a result of the pressure in the interior of the egg,and d) collecting at least a portion of the amount of fluid at the exterior surface of the egg.