The largest produce is Brewster Cheese in Ohio,” Johnson says. “But other states also have Swiss cheese plants, including Wisconsin, Iowa, Utah and perhaps others.” ...

Well, "they" do not "put" holes in cheese. I mean, it's not like Swiss cheese people stand around all day making holes with special cheese drills. That would be silly.

The mystery of the disappearing holes in the famous Swiss cheese has been solved: the milk is too clean. A Swiss agricultural institute discovered that tiny pieces of hey dust are responsible for ...

Before the new study, most scientists believed a 1917 study arguing that the holes were caused by milk bacteria releasing carbon dioxide during Swiss cheese production. But recent developments ...

BERLIN -- The mystery of Swiss cheese and its disappearing holes has been solved: The milk's too clean. A Swiss agricultural institute discovered that tiny pieces of hay dust are responsible for ...