The idea that each country must culture every product to assure the supply chain is outdated by a generation in Europe.
A lot of those vegetables are produced yet in Almeria. A lot of milk that goes to Italy is produced in France. EU has this issue checked from the first minute and created a supranational agriculture system based on quotes.
Yes, and then somene comes and says, we produce too much beef... well yeah, somebody else will have to do it.