It is not illegal to eat horse meat. It is illegal to sell horse meat.

It means that the butcher is selling horse meat and prepared meat products made of horse meat

Horse meat.

Most of them that you buy at the grocery store do not contain horse meat. You can get them specially made with horse meat but not all of them do.

i am German and no normally we don't eat horse meat. in special shops you can get horse meat but most people hate the ones eating horse meat. its also very less and expensive.