Pão, pão, queijo, queijo

This text has been built around the idea that the domestication of sheep and goats has been, since the begining, related, in economic terms, with the use of milk, innovation that is usually considered a late event in the Neolithic process, following the famous Andrew Sherratt model (2PR).
However, a recent work by Jean-Denis Vigne, published in a volume under the direction of Jean Guilaine - Populations néolithiques et environements (2005), Editions Errance - gives some new support for that idea.