Are all eggs from UK supermarkets British eggs or are they sometimes foreign?
Also are all British hens vaccinated against Salmonella or only the ones with the lion mark on? If you were to buy eggs fresh from a British farm they don't always have the lion mark on them but if all British hens are vaccinated against salmonella then they would be safe to eat raw or undercooked wouldn't they.
Do restaurants in Britian always use British eggs? I would presume if the supermarkets only sell British eggs than restaurants in Britain only use British eggs?