Portia is a cow at Tufts university. She has been living with a large hole in her stomach since 2002. It looks life-threatening, but it's not. The hole was put there on purpose so scientists can ...

A video showing researchers using a porthole to gain access to a cow's stomach has been criticised by an animal rights group in France. Portholes are openings on the side of a cow that allows ...

Farmers have rescued a cow after the animal fell down a hole on a steep cliff. The cow was spotted in the hole near Crackington Haven, north Cornwall, on Thursday, by people walking nearby.