Duck Bloc is a preserve made from ground and emulsified duck foie gras. Its production process includes heat and pressure treatment to obtain the canned product, described in the available information as highly delicate and delicious. This product is sold in a 400 g can. The presentation combines the can format with a net content of 400 g. Grinding, emulsifying and the subsequent heat treatment are the processes mentioned to define this duck bloc. The information provided identifies duck foie gras as the base of the product, but does not include a complete ingredient list or proportions. It also does not provide nutritional data, origin information or specific storage conditions. The available description focuses on the type of product, its production process and its canned presentation.