The amount of a alpha-ketoglutarate-dependent dioxygenase alkB homolog 3 when measured in blood serum. The trait is level of alpha-ketoglutarate-dependent dioxygenase alkB homolog 3 in blood serum (OBA_2040571). Also known as: blood serum alpha-ketoglutarate-dependent dioxygenase alkB homolog 3 amount.