SWISS CHEESE TRIVIA

In 2002 USDA guidelines reduced the size for the holes in Swiss cheese by 50% because modern slicing machinery had problems slicing cheese with larger holes.
Emmentaler ('Swiss cheese') is a cow's milk cheese that has been made in Switzerland's Emmental Valley since the 15th century, and is the country's oldest cheese. It is made in giant wheels that can weigh well over 200 pounds.
Why does Swiss Cheese have holes? Put simply, during the manufacturing process the particular bacteria that produces the flavor and texture of the cheese also produces carbon dioxide gas as a by product, and these bubbles of gas produce the holes.
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