Owning Only One Guinea Pig Is Cruelty on “Unusual Laws Around the World”, a list by Ivana Zivadinovic on TheLysts.

Details

Law Description
Swiss animal welfare law recognizes guinea pigs as social creatures. It’s illegal to keep just one, as loneliness is considered abuse. Owners must always have at least two or rent a companion if one dies.
Country
Switzerland
Penalty
Fines or mandatory acquisition of another guinea pig.