Why Does Swiss Cheese Have Holes?

Most blocks of Swiss cheese are dotted with holes, also called "eyes." The eyes are actually caused by tiny bits of hay present in the milk, according to Agroscope researchers.

Swiss cheese conspiracy theories are full of holes – The Durango Herald

Why Does Swiss Cheese Have Holes?

Why Does Swiss Cheese Have Holes?

Why Does Swiss Cheese Have Holes?

4,300+ Swiss Cheese Holes Stock Photos, Pictures & Royalty-Free Images - iStock

Why Does Swiss Cheese Have Holes? Swiss Researchers Solve Mystery

Why Does Swiss Cheese Have Holes, Exactly?

Why does Swiss cheese have holes? - Food - The Jakarta Post

Holey Cow! Swiss Cheese Mystery Solved – National Geographic

A century on, experts crack mystery of holes in Swiss cheese

Why Does Swiss Cheese Have Holes?

Why Does Swiss Cheese Have Holes?