Om verzekerd te zijn van voldoende broed van uniform formaat wordt voor de off-bottomkweek van Creusen (Crassostrea gigas ofwel Japanse oesters) in de Oosterschelde het broed doorgaans ingekocht bij broedhuizen in Frankrijk, ook wel hatcheries genoemd. Het inkopen van broed uit Frankrijk en het daarna …

During incubation, an embryo is developing in the egg for a period of 21 days. During the incubation process air exchange occurs between the egg and its external environment during which it loses humidity due to water diffusion through the shell. This loss in humidity can affect chicks’ quality and, …

In this thesis project research is one how Hatchery ter Heerdt can improve their chick quality by introducing an objective quality scoring system for their outgoing product at the hatchery. New parameters like chick length and navel quality are tested in the hatchery.