Questions about the consumption of meat products as part of a sustainable diet are becoming increasingly numerous. Injunctions to reduce the consumption of meat products, combined with concerns about consumer health, ecology and citizenship, are leading some consumers to opt for a more sustainable, and therefore more plant-based, diet. Nevertheless, the attachment to meat is reflected in a relatively slow erosion of consumption, due to a multiplicity of factors. The erosion of butchered meats now places poultry at the top of the list of species consumed.