In Switzerland, owning one guinea pig is illegal. A 2008 animal welfare law treats them as social animals and requires at least two. When one dies, businesses even rent out a temporary companion so the survivor isn't left alone.

In Switzerland, owning one guinea pig is illegal. A 2008 animal welfare law treats them as social animals and requires at least two. When one dies, businesses even rent out a temporary companion so the survivor isn't left alone.