Animal disease officials in Taiwan have confiscated more than 400 dried dog penises, testicles and various internal organs in a raid on an illegal slaughterhouse.

A total of 435 penises were discovered in a fridge along with the other body parts, while 12 fresh dog corpses were also found in the raid at the slaughterhouse in western Yunlin county on Tuesday, the Animal Disease Control Centre said.

It was not immediately clear why the owner of the abattoir kept the body parts, a spokeswoman said. But local media suggested the man could have used the penises as an ingredient in herbal wine due to the belief they could help boost male potency.