Duck bloc is a preserve made from duck foie gras. During preparation, the liver is crushed and emulsified before undergoing a heat and pressure treatment. These are the manufacturing steps described to obtain a preserved product presented as extremely delicate and delicious. This product is served in a 400 g can. The indicated presentation corresponds to a can with 400 g of content, as stated in both the product name and its description. The available information focuses on the raw material, the manufacturing process and the presentation format. Although it identifies duck foie gras, it does not provide a complete ingredient list. It also does not specify origin, storage conditions or serving recommendations, nor does it include nutritional values or specific allergen information.